About this Guide - Thompsons Holidays

Transcription

About this Guide
The Aqualung Diver’s Guide provides a wealth of
information about the latest and greatest diving
equipment available for the South African-based
diver. It clearly explains how diving equipment
works, how to fit equipment and what to look for
when you’re purchasing a new piece of diving kit.
This guide is colour-coded for fast and easy
reference. For example, if you’re looking for
information on regulators, simply flick to the
orange border, and you’ll find everything you
need to know about choosing a regulator as
well as a comprehensive list of regulators
to suit any condition or budget.
For a fast and efficient overview of features
and benefits of some of the more complex
equipment, this Guide uses a series of icons.
The icons are relevant to each piece of
equipment. So, for example, if you are
interested in dive computers, the icon guide
at the front of the computer section will explain
the available features next to the icon. When
you find a feature you like, for example a depth
alarm, note the icon.
From there it’s a simple process of reviewing
the computers, and looking for the appropriate
icon.
Or if you’re after a BCD with a 3-dimensional
gusset, simply make a note of the icon on the
Notes Section on pages 50 and 51 (there are also
small notes sections at the end of some of the
chapters).
Diving the Web
Whether you’re researching your next dive equipment purchase, trying to find your nearest dive
store, or planning next month’s dive holiday, there
are a number of useful websites designed specifically for South African divers.
www.seeanotherworld.co.za
This site offers everything about Aqua Lung & diving. If you wish to learn to dive, just click on the
‘learn to dive’ icon & you’ll be launched into a
world of information - from where, when & how to
qualify, to what equipment you need & where to
find your nearest diving shop. For qualified divers,
the site reveals Aqua Lung’s full product range, the
latest gear and competition as well as diving news &
information on Suunto and Sea & Sea products. So
dive into the site with us!
www.manex.co.za
This site is aimed at the professional and amateur
scuba divers and swimmers. Run by the largest
scuba wholesaler in the southern-hemisphere, the
site is full of information about equipment and services for divers. Features include comprehensive gear
info and pics, photographic competition, bulletin
board and dive site locator.
www.learntodive.co.za
Aimed at the complete beginner, the Learn to Dive
site is a unique tool designed to provide a comprehensive guide on “how to” get into scuba diving.
Features include; information on open water dive
courses, local dive-store locator, costs, FAQ’s and
special offers.
Enjoy!
aquasphere
typhoon
2
technisub
The World’s Leading
Brands
Contents
“I was 16 years old, and I remember the very first programme I watched when we got our first TV - The
Wonderful World of Jacques Cousteau. I told my family,
‘that’s what I want to do when I grow up!’
It has taken me 30 years to start diving and I now see what
I’ve been missing all these years. The first day I started my
diving course, I was sitting in my diving instructor’s lounge,
waiting for my first class of Open Water 1, when a trainee
instructor was introduced to me. He told me something I
will never forget.‘You only start living when you are underwater.’ So to all of you who don’t dive and read this letter,
don’t be like me and wait 30 years to start living!”
Mike (new advanced diver), East London
Web and Contact Information
2-3
Regulators and Cylinders
4 - 11
BCD’s
12 - 25
Rebreathers
Manex Cape Town
Manex Johannesburg
PO Box 173
PO Box 1959
Paarden Eiland 7420
Northriding 2162
Ph: (021) 511 7292
Ph: (011) 704 6131/2/4/5
Fx: (021) 510 1487
Email: learntodive.co.za
or manex@manex.co.za
Training - training@manex.co.za
Service - service@manex.co.za
26
Gauges / Computers
27 - 34
Masks, Snorkels and Fins
35 - 38
Cameras
39 - 41
Neoprene, Shell & Dry Suits
42 - 44
Boots and Gloves
45
Torches
46
Knives
47
Bags
48
Suunto in Sports
49
Notes
50 - 51
Regulators: Everything you want to know
cuba regulators are designed to reduce the high-pressure
air from the scuba cylinder to a level where the diver can
breathe comfortably and safely. Jacques Cousteau and
Emile Gagnan developed the original regulator, the aqua lung. It
was a twin-hose system that reduced the pressure in a single
stage connected to a cylinder.
S
These days, regulators are a single-hose design and the
pressure is reduced in two stages. The first stage reduces pressure from the cylinder down to near 10 bar, then the second
stage delivers air on demand. (That’s why the second stage is
sometimes called the demand valve.)
Your regulator is the most important component of your diving
equipment. It delivers the air you need to breathe. It is your lifesupport system. By reading through the selection criteria here and
matching the features you require in the following pages you will
be able to make an informed decision.
you breathe (for example, swimming against a current at depth)
will result in a higher demand on your regulator.
Service and Parts
The single most important factor when choosing a regulator is the
ability to obtain regular, professional maintenance and spares.
Ultimately, this will have more effect on your regulator’s overall
performance than any other factor.
As your diving experience grows you’ll want to discover new and
exciting places to dive all over the world. Your regulator must be
able to be serviced wherever you will be diving, whether that’s the
Ponto D’OPura, Ou De Kraal or Belize.
With so many regulators on the market it is impossible for the
average dive store to carry parts for every regulator. Under-standably, they will restrict their parts inventory to the more popular
brands. Also, it’s unlikely that the average regulator technician will
be qualified to service every regulator on the market. The first
brand almost every technician learns to service is Aqua Lung.
Aqua Lung was the first regulator ever made and it is still the most
popular brand in the world today. No matter where you go in the
world you will find parts and service are available. That’s one of
the reasons why more military forces around the world choose
Aqua Lung than any other brand.
Performance
Many people believe performance is the major criteria in the
choice of a regulator. Certainly, you should choose a regulator that
is appropriate for the types of diving you intend to undertake.
Most modern regulators will perform adequately under normal
demand at moderate depths. The deeper you dive and the harder
So if you were planning on diving in demanding conditions, it
would pay to invest in a high-performance regulator. Generally
though, when it comes to judging performance, it pays to remember that the greatest testament to a regulator is its performance
under harsh environments.
Australia’s Far North Queensland (FNQ) has the highest concentration of dive equipment usage in the world. Gear may be used
3 to 4 times a day, 7 days a week. These professional operators
recognise the need for the best equipment. They also understand
that the materials used and the design are critical for their customer’s ultimate safety and comfort. Aqua Lung regulators have
proved to be the most popular choice in FNQ and resorts around
the world including Sodwana Bay.
Unlike Aqua Lung, very few companies make their own regulators. Most equipment suppliers outsource products or simply rebadge or assemble components from existing manufacturers. This
makes quality control very difficult and encourages obsolescence.
Suppliers will move from one manufacturer to another as either
the manufacturer is unable to supply the parts, or the supplier
finds a cheaper alternative.
Aqua Lung is owned by Air Liquide, one of the largest gas-control
companies in the world. In fact, Cousteau took his original concept to Air Liquide over 50 years ago and it was an Air Liquide
engineer, Emile Gagnan, who helped develop and build the first
scuba regulator. Today Aqua Lung builds more regulators than
any other company in the world.
Buyer Beware
Some inexperienced regulator manufacturers constantly change their regulators to try to get their design right. They change core
components like the high-pressure seat without provision for retrofitting existing models.
Aqua Lung created scuba diving and like every great creator they recognise that progress is made through continuous evolution.
Each new Aqua Lung regulator builds on the inherent qualities of its predecessor. Aqua Lung recognises the need to maintain a
parts inventory for existing models.
Take for example the current Aqua Lung high-pressure seat. While incorporating the latest technology, Aqua Lung’s high-pressure
seat still fits models over three decades old. In fact, just 2 different high-pressure seats are required to fit any Aqua Lung regulator
sold in South Africa during the last 3 decades.
Regulators 5
Adjustability
Venturi
Adjustment
Knob
There are two primary adjustments available on modern regulators. One type of adjustment will alter the positive flow of air.
This is often called the venturi. A regulator with an effective
venturi will generally breathe well, but may free-flow when not
in the diver’s mouth. A venturi adjustment is very important as
this allows for maximum air delivery when required with a minimum switch to prevent free-flow.
Cracking
Resistance
Control
Other adjustments available on some models adjust the spring
tension which controls the opening effort required. This is called
the cracking resistance control (see diagram above). This allows Pneumatically
the regulator to be adjusted to minimise breathing effort under Balanced Valve
System
all conditions.
Diaphragm
Aqua Lung considers the adjustable venturi so important that, while
most manufacturers reserve this feature for high-end products, every
Aqua Lung regulator has this control.
Venturi Adjustment
Switch in negative position prevents freeflow of air
Switch in positive position,
where the venturi vane
directs air into the mouth
piece and ensures
minimum effort even
under stressful conditions.
Environmental Seal
In order to keep a consistent flow of air at depth your regulator needs
to sense changes in depth. This is achieved in most regulators by allowing the regulator spring chamber to flood with water. Diaphragm style
regulators achieve this through limited ingress of water, typical piston
designs flood completely.
Unfortunately when water completely floods through your regulator it
carries with it damaging contaminants that will reduce the regulator’s
performance and life-span. Many attempts have been made to seal regulators; one system packed the regulator with oil, while another
involved a continuous release of bubbles to keep the water out.
The most effective system is the patented Dry Sealed System, which is
available as an option on Aqua Lung regulators and standard on most
models of Aqua Lung regulators.
How to measure
performance
Before you can establish the level of performance required, you
must first understand how performance is measured. Many different tests are quoted as a bench-mark level, but the most
widely regarded is the US Navy test. It involves both manned
and unmanned tests of regulator performance. The US Navy set
1.4-joules effort as the maximum inhalation effort. In order to
qualify for the top level, category A, the regulator needs to meet
these criteria at 62m at moderately heavy work rates. In the last
test performed by the US Navy only six sport diving regulators
qualified as category A. Two models were from Aqua Lung, the
US Divers SE2 and the US Divers Pro Diver.
These same two regulators came first and second respectively in
the manned tests. These models have since been improved with
the advent of the Titan and Legend series from Aqua Lung.
The latest regulators from Aqualung have recorded less than
0.72-joules breathing effort at 80 m. This demonstrates effortless breathing at extreme depths. The Aqualung Legend LX is
widely regarded as the best per-forming regulator in the world.
Internal Diaphragm
External
Diaphragm
The patented
Dry Sealed
System stops
water entering
the regulator
Important Considerations
There are two other factors to
consider when choosing a
regulator. The first is to
ensure that your regulator
has sufficient ports to accommodate all attachments. You
need at least one high-pressure port for your gauge and
you may want a second high
pressure port for a second
back-up gauge.
In addition to your primary
second stage port you will
need three more low pressure
ports for an octopus, BCD
hose and possibly a drysuit
inflator hose.
The quantity and positioning
of ports allow you to configure your regulator for maximum comfort.
Finally, comfort of the mouthpiece is very important, as is
the ability to change a
mouthpiece should it become
worn or damaged. The
world’s best mouthpiece is the
Comfo-bite.
High Performance Regulator Features
Balanced First Stage
A balanced first stage has a ‘balancing chamber’ which ensures
that as tank pressure drops the pressure of air to the second stage
is maintained. This allows the regulator to breathe easy even at
low tank pressures.
Overbalanced First Stage
As the diver gets deeper the air they breath is compressed and
therefore more air is needed to fill the diver’s lungs. This is a basic
principal taught in the beginner’s dive course.
Internal
Diaphragm
Your first stage must be able to sense this outside pressure in order
to maintain a steady flow of air to the second stage.
A major difference in the performance of a regulator is its ability
to maintain a constant flow at greater depths.
External
Diaphragm
With an overbalanced first stage the external diaphragm is larger than the internal diaphragm to boost line pressure at depth.
All modern regulators sense outside pressure and compensate for
the change, however most regulators still have a considerable drop
in performance on deep dives as they cannot increase pressure sufficiently to compensate for the high demands at depth.
An innovation only found in the highest performing regulators is
called over-balancing. The very same second diaphragm that provides an environmental seal (see previous page) is larger than the
internal diaphragm. This means that as you get deeper more pressure is applied to the external diaphragm than would be applied
to the smaller internal diaphragm due to the increased surface
area. This actually boosts pressure at greater depths, significantly
improving performance.
Balanced Second Stage
Many companies claim to have a balanced regulator but all they
are referring to is the first stage. The world’s best performing regulators also have a balanced second stage.
A traditional second stage has a valve spring strong enough to
hold back all the pressure from the first stage. This spring pushes
against the seating mechanism to stop the air-flow until the diver
breathes.
When the diver breathes, the diaphragm is pulled forward against
the lever, which in turn compresses the spring & pulls back the
seat to allow the air to flow.
A balanced second stage allows air to pass through the centre of
the poppet valve to a counter-balance cylinder, which assists the
spring in closing the valve. This reduces the need for a heavier
valve spring, which cuts down the effort needed to compress the
spring which in turn makes inhalation very easy.
A balanced second stage is therefore highly desirable.
Legend LX Breathing Curve
Depth = 60m
Breathing Rate = 63/3 l/min
Supply Pressure - 725psi / 50 bar
Work of Breathing = 0.72 J/l
(limit = 3.0J/l)
Test done in water in strict accordance to CEN test procedure
Pneumatically balanced Valve System
Care and Maintenance
Description
A regulator reduces the pressure of the compressed air held in the
diving cylinder. It reduces the high pressure air to the ambient
pressure which can be breathed by the user. To achieve this reduction in pressure, Aqua Lung regulators have 2 reduction stages.
Aqua Lung regulators are known as ‘demand regulators’. They
supply air when the user inhales through the mouthpiece or presses on the purge button. The air flow stops when the user stops
inhaling or releases the purge button.
A. The Second Stage
* The regulator’s second stage reduces the medium pressure air to
ambient pressure, allowing the user to breathe normally. The second stage is held in the user’s mouth by the mouthpiece. The first
and second stages are connected by the MP hose.
* The Legend LX second stage is fitted with an adjustable air flow
control system. It allows the diver to adjust the air flow to meet
his needs. The control lever is found on the left of the stage, just
in line with the mechanism. It can be operated at any time, on
surface or during the dive.
* The Legend LX second stage is also fitted with a breathing resistance adjustment system. This allows the diver to adjust the sensitivity of the breathing to meet their requirements. This system is
situated in line with the mechanism. It can be operated at any
time, on surface or during the dive. To adjust breathing sensitivity, the user has only to turn the adjusting knob.
Regulators 7
Using the Adjustments
Adjusting the breathing sensitivity. LEFT: Softer. RIGHT: HARDER
B. The Hose
* The Hose brings compressed air from the first stage of the regulator to the second stage.
* The large internal diameter of the hose gives a higher instant air
flow. It gives a 30% greater air flow than standard hoses, while
remaining extremely flexible (Aqua Lung exclusive).
* It‘s manufactured in accordance with the DEMA 104 standard
(modified in 1985). It also passes the mechanical resistance &
pressure tests required by the EN250 standard.
* Its maximum working pressure is 30 bar.
* The length of the hose is 740mm
Care and Storage
A. Regular Care
The quality and regularity of after-dive care will ensure the maximum life of Aqua Lung regulators. To achieve this, follow the simple, but important, procedures listed below each time the equipment is used.
* After each dive, the regulator should be rinsed as soon as possible
in fresh water at a temperature of 20ºC+ or -5ºC to remove
deposits of salt or other matter. The recommended method is to fit
the regulator to a charged cylinder, to open the cylinder valve &
rinse the whole assembly in fresh water at ambient temperature.
Ensure that the water penetrates the compensation holes of the first
stage if any, & the mouthpiece & front cover holes of the 2nd stage.
During rinsing, press several times on the second stage purge button. To dry the regulator, press on the purge button while pointing the mouthpiece downward. Refit the dust cap under pressure.
This could allow water to enter the MP hose. Rinsing the regulator in fresh water at the temperature listed above is more effective
at removing salt or calcareous deposits than rinsing in cold water.
If a charged cylinder is not available, follow the same procedure
but avoid pressing the purge button or removing the dust cap during rinsing as this could allow water to enter the regulator and
cause internal corrosion.
When cleaning LEGEND regulators, the first stage compensation
chamber cannot be rinsed as it is sealed. In this case, it is sufficient
to rinse the exterior of the first stage thoroughly and to rinse the
second stage.
* After each day’s diving, the regulator should be cleaned, checked
and prepared either for the next use, or for extended storage. As
soon as the regulator has been removed from the cylinder, refit the
dust cap on the first stage HP (high pressure) inlet fitting. This
cap is usually attached to the first stage and consequently remains
attached to the regulator during the dive. Make sure it’s completely dry before fitting it back on the regulator’s inlet fitting. If
the dust cap is fitted with an O-ring, check that it’s in place.
* Dry the regulator to avoid any calcareous deposits. Once dried,
* The air flow is adjusted by
moving the control lever.
Place a finger on the end of
the lever and move it within
the radius indicated. When
in MAX position, the air flow
is directed straight towards
the diver’s mouth for a maximum breathing comfort during the dive.
* While on the surface, the
lever should be in MIN position, to avoid any tendency
of free flow. To benefit from
the maximum breathing per-
formance, the user should
move the lever to MAX position as soon as he begins to
dive.
Adjusting the Breathing
Sensitivity
* HARDER:
To make breathing harder,
turn the knob clockwise
* SOFTER:
To make breathing softer,
turn the knob anti-clockwise
(see diagram at top of page)
put it into a clean box, or a bag.
* If a more thorough cleaning is necessary, follow this procedure:
- Rinse the equipment carefully as described above.
- Using a soft nylon brush and soapy water, clean the exposed
parts of the second stage. Do not soak for more than 5 minutes.
- Rinse the equipment again, as described above, to remove all
traces of soapy water.
* Never use solvents to clean the regulator. Never use an aerosol
silicone spray to lubricate it, as certain propellants attack and
damage certain rubber and plastic parts.
* Do not use your regulator as a carrying handle for your cylinder.
Also, protect your regulator from impacts.
* Do not leave your regulator attached to a cylinder when not in
use.
* Lightly lubricate the yoke screw with silicone grease.
B. Periodic Care
* Don’t think your regulator is in good condition just because it
hasn’t been used often. Prolonged storage or storage under bad conditions can cause internal corrosion and / or deterioration of the
seals.
* The frequency will depend on the number of dives and the conditions of use. In any case, Aqua Lung recommends servicing at
least once a year to maintain the equipment in optimum working
order. In fact, certain parts should be replaced at regular intervals.
Only original manufacturer’s parts should be used in servicing the
regulator. If it is used for rental or in very salty conditions, chlorinated pool or polluted water, it should be cleaned and serviced
every 3 to 6 months.
* The filter found in the first stage HP inlet fitting should be
checked regularly. If this filter is coloured or corroded, the regulator should be thoroughly checked and the filter should be replaced,
along with any other seals or components which are not reusable.
A deposit of rust or aluminium oxide (grey powder) on the filter
indicates that water has entered the cylinder, causing internal corrosion. In this case, the cylinder should be inspected by a specialist,
cleaned and re-tested if necessary.
Storage
After rinsing, draining and drying (see Regular Care, above), lightly grease the yoke screw and store the regulator in a clean box, or a
bag. Heat, light and humidity are the enemies of the regulator. For
off-season storage, keep the regulator in a cool, dark place.
Regulators:
Your Icon Guide
Integrated Adjustable Venturi System (IVS)
Excellent parts and service available. The limited lifetime guarantee offered on all Aqua Lung regulators means
you can purchase an Aqua Lung regulator with confidence.
(See your Aqua Lung dealer for details)
offers the option of directing air to flow through
the mouthpiece or against the diaphragm. [see pg x
for more details]
Comfo-bite Mouthpiece, patented by Aqua
Nitrox Compatible - may be used with oxygen enriched
air, please ensure you read manual and obtain specialist
nitrox training.
First Stage Features
Balanced First Stage ensures the air supply remains constant regardless of cylinder pressure (the intermediate pressure is always 9.5 bar above ambient.) [see pg x for more
details]
Overbalanced First Stage (very desirable if you want to
dive deep) increases line pressure as depth increases faster
than ambient pressure giving greater performance. [see pg x
for more details]
Technically Advanced High Pressure Seat is made of
a polymer material that considerably enhances its sealing
abilities, ensuring maximum durability, reliability and performance. 300 bar oxygen compatible. [see pg x for more
details]
Air Turbo System boosts line pressure: the air coursing
through the primary port draws air from behind the
diaphragm, making breathing easier during high demand
situations, such as swimming against a current.
Environmental Dry Seal which insulates the spring and
diaphragm from the environment has several advantages –
it reduces corrosion of the internal mechanism and because
it is highly resistant to freezing is important in cold-water
diving. [see pg x for more details]
Pre-positioned Hose Management System guarantees optimal hose positioning angles for low-pressure and
high-pressure hoses. [see pg 11 for more details]
Second Stage Features
Pneumatically Balanced Second Stage allows air to
pass through the centre of the valve to a counter-balance
cylinder, assisting the spring in closing the valve. This
eliminates the need for a heavier spring, reducing the overall breathing effort. [see pg x for more details]
Lung, reduces jaw fatigue, and allows you to enjoy
the diving experience longer. [see pg x for more
details]
Cracking Resistance Control adjusts the
inhalation effort required to ‘crack’ the poppet
valve which releases air into the demand valve.
Adjustments can be made during the dive to suit
individual needs.
[see pg x for more details]
Plotting High Performance
Regulator performance is calculated by plotting and recording
the breathing cycle.
In the diagram below, the
inhalation line begins on the
right hand and runs across the
bottom to the left. The first oscillation (termed the cracking
spike) represents the effort
required to initially open the
valve and begin air delivery.
Even at this testing depth the
graph shows the low Work of
Breathing (WOB), indicating
the diver is expending almost
no energy in maintaining air
flow.
The cycle continues & the upper
line (left to right) represents the
Work Of Breathing whilst
exhaling (which is greater due
to increased gas density at
depth). The total Work Of
Breathing is calculated by
measuring the total area within
the loop, which in this case is
1.05 Joules per Litre.
To qualify for the CE (Central
European) mark, regulators
must be less than 3.0 J/L at 50
metres, RMV: 62.5 (25L x 25
Breaths/min), and for the US
Navy Group A (the world’s
most severe test standard) the
regulators WOB needs to be
less than 1.4 J/L at 62 metres.
Regulators 9
Legend LX Supreme
The Legend LX is a superbly engineered regulator boasting outstanding features, exceptional performance and stylish good looks
Jacques Cousteau invented the very first aqualung and with it the sport
of scuba diving was born. Sixty years on, the release of the Legend series
represents the ultimate refinement of Cousteau’s invention. The Legend
Limited
Lifetime Guarantee
Nitrox Compatible
- up to 40% only
LX combines exceptional ease of breathing, ease of service, reliability
and stunning looks that give testament to the quality that lies beneath
a masterpiece of modern engineering.
Pneumatically Balanced Second Stage
Air Turbo System
Cracking Resistance Control
Environmental
Dry Seal
Comfo-Bite Mouthpiece
Advanced High
Pressure Seat
Adjustable Venturi
Hose Management System
A stylish gold-coloured titanium
bezel, reflecting the superior
quality
Compact and Lightweight
2 HP & 4 LP Ports
Below: Test done in water in strict accordance to CEN test procedure.
Pictured left:
Legend LX Breathing
Curve
Pictured right:
Over-Balanced Design
Balanced First Stage - Medium pressure remains constant at 9 bar plus
ambient.
Depth = 60m
Breathing rate = 63.3 l/m
Supply Pressure = 725 psi /
50 bar
Work of Breathing = 0.72J/l
(limit = 3.0 J/l)
Legend First Stage - Medium pressure increase at a rate faster than
ambient. Increases by 2 atmospheres
by 60m. Helps compensate for denser
air at depth.
Legend
A more affordable way to own a highly engineered regulator with abundant features, exceptional performance and reliability
The Legend is the more cost-effective option if you want to possess a
marvel of design and functionality. The Legend is the pedigree from
which the Legend LX was spawned.
Limited
Lifetime Guarantee
This means that the same quality workmanship and superior features of
the Legend LX are native to the Legend. The Legend boasts remarkable
reliability, good serviceability and outstanding performance.
Nitrox Compatible
- up to 40% only
Pneumatically Balanced
Second Stage
Air Turbo System
Environmental
Dry Seal
Adjustable Venturi
Advanced High
Pressure Seat
2 HP & 4 LP Ports
Titan LX
Packed with features and offering high performance at a moderate price
The Titan LX represents high-end performance at a mid-range price. In
the last US Navy test the two regulators that ranked the highest, both
from Aqua Lung, scored an impressive 1.4 joules effort at 62 metres.
Limited
Lifetime Guarantee
The Titan LX clocks in with the incredible result of less than 1.16
joules — at the increased depth of 80 metres! The Titan LX guarantees
performance at an affordable price.
Nitrox Compatible
- up to 40% only
Pneumatically Balanced
Second Stage
Air Turbo System
Environmental
Dry Seal (optional)
Adjustable Venturi
Advanced High
Pressure Seat
Compact and Lightweight
1 HP & 4 LP Ports
Calypso
Reliable, durable and easy to maintain, the Calypso promises great performance at a reasonable price
Proving great value for money, this compact unit offers above-average
performance and proven reliability making it the ideal sport diving regulator. Quoted in Scuba Diver magazine as “moderately priced with
Limited
Lifetime Guarantee
outstanding performance”, the Calypso is an appealing choice for the
budget-conscious buyer. Outstanding value for money and why more
SA Scuba schools use the Calypso in their school sets.
Nitrox Compatible
- up to 40% only
In-line Piston
Adjustable Venturi
Simple, Easy
Maintenance
1 HP & 4 LP Ports
Notes
Easy Breathing
Regulators 11
Mistral
A new type of regulator
This regulator is modelled on the original Mistral, created in 1943, but
Aqualung has added ultra-modern apparatus to facilitate breathing performance. The first stage has a dry chamber - a new solution against freez-
ing. The easy flow design offers improved breathing performance and the
regulator is easy to strip & reassemble. Mistral is available with different
connections - DIN 300 bar; Yoke 230 bar & M26 x 2 for Nitrox/02 use.
Optimised MP and HP
ports layout
Nitrox compatibility 40% 02
maxi with yoke or DIN version;
100% 02 with EN 144 -3 version
Aqua Lung Octopus’
You may only ever be required to use an Octopus once, but when
you do, it is critical that it works first time. That is why the same
quality materials and workmanship go into the Aqua Lung
Octopus as all other Aqua Lung products
Calypso Titan Octopus
Mid-sized, feature-rich alternate air source.
Diver-controlled Vane Adjustment Switch (VAS)
reduces sensitivity to free flow on the surface &
provides maximum airflow at depth.
Enlarged 2nd Stage air inlet equipped with
Aqua Lung’s exclusive Comfo-BiteTM mouthpiece.
Equipped with 39-inch yellow hose for visibility & easy use.
For Calypso and Titan.
Titan Octopus Pneumatically balanced 2nd Stage
High-visibility yellow cover ring and 39-inch yellow hose.
Mid-size, all the Legend series’ superior breathing characteristics.
Air balanced, ideally suited for the Legend overbalanced first stage.
Diver-controlled Vane Adjustment
(VAS) reduces sensitivity to free flow on the
surface & provides maximum airflow at depth.
Designed for use in cold water.
For Titan.
Environmental dry seal
Versatile design
Plotting High Performance
Regulator performance is calculated by plotting and recording
the breathing cycle. In the diagram below, the inhalation line
begins on the right hand and
runs across the bottom to the left.
The first oscillation (termed the
cracking spike) represents the
effort required to initially open
the valve and begin air delivery.
sents the Work Of Breathing
whilst exhaling (which is greater
due to increased gas density at
depth).
The total Work Of Breathing is
calculated by measuring the
total area within the loop, which
in this case is 1.05 Joules per
Litre.
To qualify for the CE (Central
European) mark, regulators
must be less than 3.0 J/L at 50
metres, RMV: 62.5 (25L x 25
Breaths/min), and for the US
Navy Group A (the world’s most
severe test standard) the regulaThe cycle continues and the tors WOB needs to be less than
upper line (left to right) repre1.4 J/L at 62 metres.
Even at this testing depth the
graph shows the low Work of
Breathing (WOB), indicating the
diver is expending almost no
energy in maintaining air flow.
Legend Octopus
Pneumatically balanced 2nd Stage provides
consistent ease of inhalation at any tank pressure.
Over-sized venturi lever is easy to reach during
the dive, but is positioned to
avoid entanglement.
For Legend series.
ABS Octopus
Designed to work properly in either right or left
hand position.
Ergonomic 120 degree angle
between hose & mouthpiece
is optimum for buddy sharing.
Custom quick-release mounting clip
included.
Equipped with 39-inch yellow hose for visibility and easy use.
For Calypso and Titan.
Plotting the breathing cycle
BCD’s: Buyer’s Guide
Pictured left: The ProUnlimited Buoyancy Control
Device (BCD)
efore the advent of the BCD, divers found neutral buoyancy to be a fleeting experience; difficult to achieve and
nearly impossible to maintain throughout the course of a
dive. Yet it is only by becoming neutrally buoyant that a diver can
experience the exhilaration of true weightlessness, and move
about with total freedom underwater.
B
The BCD is a critical component of your safety and comfort. It
has to be reliable through thousands of inflations and deflations,
be able to withstand being dragged across rocks and reef, as well
as being exposed to sand, salt and sun. It must be tough, reliable
and a good fit. After studying the following information, you
should be able to make an informed decision.
How the BCD started
The type of exposure suit you will be wearing, and your body
shape are two factors you need to consider in selecting your BCD.
Most importantly, however, you should consider the type of diving
you will be doing and the activities you may wish to pursue. If
you’ll primarily be travelling to warm water destinations or casual
recreational diving, you may be happiest with a more basic &
streamlined model that is lightweight and easy to pack for the trip.
The BCD, as we know it today, is very different from the original
models that were adopted from the “Mae West”, a vest that was
designed to be an inflatable life preserver for airplane pilots during World War II. Its purpose then, for divers who began using it,
was simply to provide surface flotation at the beginning or end of
a dive, or a means of self-rescue for an injured or disabled diver.
Very soon, however, divers began to experiment with this new
device, and found that by adding air to it underwater, they could
offset the loss of buoyancy that occurred at depth when their wetsuits became more compressed. A revolution was born, but it was
one that took many years to evolve into the BCD as it is designed
today.
With the advent of the power inflator, the BCD underwent a dramatic transformation in a short period of time. The jacket-style
design was born, which integrated the BCD into a complete system that included the cylinder and regulator, and could be
donned or removed all at once.
In addition to providing a more comfortable harness system to
hold the cylinder, modern design provides a balanced distribution
of the air inside its bladder.
This gives the diver the ability to swim underwater or rest on the
surface in an equally comfortable and relaxed position, without
struggling against buoyancy that pulls them in only one direction.
SeaQuest have been pre-eminent in the design of the BCD. They
invented the (Advanced Design Vest) ADV which is the basis of
modern BED's. SeaQuest hold several important patents to this
day.
Which BCD suits you?
Many BED's may look fine on the display stand but there are
thousands of short cuts that can be taken in the construction of a
BCD.
4
When choosing a BCD, there are many optional features to consider, and it is important to understand the benefits before making a purchase.
Choosing the Right Material
The word ‘denier’ is often used as a measurement of fabric quality.
However, it refers to the weight of the thread, not the quality of the
woven material. There are plenty of cheap 1000 denier fabrics available, but few that meet the rigid specifications that companies like
SeaQuest require.
The Tank Band System
Here’s how to thread the Tank
Band System to most BED's.
1. Start with the metal bale as
close to the pack frame as
possible. This provides the
greatest range of adjustment.
2. With the buckle fully open,
thread the cylinder band
up the middle slot & back
down through the slot
closest to the metal bale
(Figure 1 & 3). Pull the end
to increase the tension in
the band.
3. Close the buckle halfway to
prevent the webbing from
slipping and thread the
webbing through the open
slot in the end of the
buckle (Figure 2 & 3).
BCD’s 13
While thread weight may be a factor in durability, it’s far less important than the thickness of the urethane coating on the inside. This is
used to ultrasonically weld the material to provide an airtight seal.
This internal coating also helps to protect against internal salt crystal
abrasion, which may damage the air D-rings
cell.
make their own inflator. They will look and feel inferior. A wellcontrolled rapid inflation can be a critical safety factor. In an emergency you want your inflator to work quickly and well.
SeaQuest is famous for PowerLine Inflator
(shown with Air Source)
producing the best
inflator in the world. The
industry standard Trimline
Inflator has recently been
upgraded to the Powerline
Squeeze
Lock Knife Inflator. This inflator surpasses CE standards for rapid
inflation. It incorporates a
secure dumping mechanism
and allows the low-pressure
hose to be neatly clipped to
the corrugated hose. The
environmentally sealed high
flow Schraeder valve is
extremely reliable.
Beware of fabrics claiming to
‘stretch like a balloon’ as this Shoulder
puts lots of strain on the seams Pull Dump
& the urethane coating. There
are better ways to provide
additional buoyancy. The
quality of the exterior fabric,
rather than just the weight of Adjustable
the thread, should also be Chest Strap
taken into consideration.
Armorshield Cordura, an
exclusive SeaQuest fabric, is 7
times more durable than standard nylon & 14 times more
durable than cotton. It’s lightweight, very resistant to
punctures & tears, and quick
drying.
SeaQuest also manufactures
the optional Air Source for
divers wishing to streamline
their dive equipment. The
optional Air Source combines
the power inflator and octopus regulator functions. It
eliminates one hose while
keeping the Octopus in an
easy-to-find location.
There are many brightcoloured BED's available
that look great until they are
put in the field. Most of these
colours will fade quickly after
Weightrepeated exposure to salt and dump
High Lift
sun. The dye actually pro- System
At greater depths additional
vides protection from ultraviwetsuit compression makes
olet light. Once the fabric
the need for high lift capacity
Adjustable
2 large Zippered
fades further degradation will
very important.
Waist Band
pockets with Pull Cord
occur more quickly. That’s
one reason why many of the top manufacturers have learned to It is also important to give divers added security at the surface.
restrict the use and location of bright colours.
Extra lift capacity is critical for those who regularly train divers or
may be required to assist another diver.
The best fabric in the world used by BCD manufacturers for
colour
fastness and durability is Armorshield Cordura. It uses a special
system called “colour lock”. There are three different levels at
which a fabric can be dyed.
Expanding Internal Gusset
SeaQuest uses a number of innovations, such as a 3D air cell gusset to
give extra lift without squeeze.
Deflated
Internal Gusset
Powerline
Inflator
When deflated,
gusset lies flat
& streamlined
The cheapest way is to dye the completed fabric, but a far better
way is to dye the thread. Armorshield uses thread whose raw component materials are dyed with the final colour. This is what allows
SeaQuest to advertise that its BED's “fade to black” in other words
the colour is literally “locked in”.
Expanded
Internal Gusset
Inflation Systems
A good measure of a BCD is its inflation system. Take a close look
at the BCD’s power inflator. Many cheaply made BED's do not
Optional
Airsource
When inflated gusset provides diver
with maximum lift, BCD expands
away from the back pack to minimise squeeze. (See independent air
cell diagram on page ??.)
Tank Traction System
One simple yet extremely important feature is the tank traction
system. This rubberised insert compresses when the tank band is
initially tightened. Under load and when wet, the tank band will
stretch, the traction system expands to take up the slack and ensures the tank is firmly attached
to the BCD. Many manufacturers
do not have a similar feature, and
Tank
it is an all too common occurTraction
System
rence to see cylinders slip out on
the surface or even worse, underwater.
Weight Integration System
The benefit of weight integration is that it gets the weights
off your hips and onto the
BCD, improving comfort and
buoyancy in the water.
Releasable
Weight Pouches
SeaQuest invented the Quick
Draw system which makes it
easy to release weights and reinstall them after deployment.
The best designed systems feature non-ditch pockets that hold
only a small amount of weight.
Combining the Sure Lock® system and non-ditch pockets,
SeaQuest has achieved excellent buoyancy control and trim
underwater, through strategic weight distribution.
A word of warning - be cautious of systems that offer ‘optional
weight pockets’. The facilities to ‘add later’ increase cost without
benefit until you pay for the option.
BCD Categories
There are many different categories to suit personal preference
and style of diving.
The ADV Jacket air cell surrounds the diver and gives even flotation. Back Inflation generally gives high lift and freedom of movement.
Women will generally prefer a BCD designed for their body
shape. Your authorised dealer can aid with the selection of the
right BCD for you, or check www. manex.co.za for more information.
Testing a BCD
It’s one thing to make a
great BCD, it’s another to
consistently maintain the
highest quality. Quality testing costs money. It’s an easy
way for ordinary BCD manufacturers to cut corners.
SeaQuest stands out as
leader in the BCD market by
sourcing a wide range of
fabrics and then submitting
them to extensive testing for
Notes
suitability to the specific
harsh conditions encountered
while diving.
In fact, SeaQuest not only
tests each manufacturer’s
fabric but every single roll of
fabric purchased and every
BCD. Each testing process
includes: abrasion tests, UV
stability, colour fastness, salt
resistance, stitching integrity
and air-cell burst tests.
BCD’s 15
BCD Load Management System
The SeaQuest load management system is a patented combination of features that work in concert to deliver comfort,
safety and security. While each of the features below work
independently to ensure comfort, together the effect is nothing short of revolutionary. The high-end BED's have all the
elements of the load management system.
Contour Back Pack
A stable harness requires a stable platform. Small, flat back
packs, particularly on larger BED's, act as a fulcrum, creating
a gap between the lower back and the lower portion of the
tank, putting excessive strain on the lower back. The contour
pack is curved to the shape of the cylinder.
Independent Air Cell System
In many BED's the adjustments to hold the tank securely to
your back are joined to the air cell. Tightening the shoulder
adjustment and cummerbund pulls the air cell tight around
your body so that when you inflate the BCD it will become
uncomfortable.
SeaQuest uses 2 different
sizes of a Contour Back Pack
to get the best stability. From
medium-large sizes and up
they use an extra large back
pack and an extended back
pack on the other sizes.
To compensate for this it is natural to loosen the straps on the
BCD. On land the tank will then hang low, placing strain on
your lower back. Underwater it will flop around and on the
water’s surface it will ride up around your ears.
Sculptured Shoulder
and Pivot Buckles
Contour Back Packs
Sea Quest build 2 different size
Back Packs to suit divers of
differing heights
Tank
Traction
System
The final link in the load
management harness sysThe Independent Air Cell System eliminates any discomfort.
tem is a combination of
A separate harness is locked into the back pack and attachpatented swivel buckles and
es to the air cell by a system of clips and a floating lobe strap
sculptured shoulders. The
system. This allows the air cell to expand away from the harshoulders
are
heavily Large surface area and wings stabilise
and add support
ness, giving full inflation while securing the cylinder firmly
padded for extra comfort &
without squeeze. Ask your dealer for a demonstration.
the sculptured insert holds the shoulders’ shape so the BCD
Attachments
is easy to don. Shoulders, where the air cell and harness
Independent Air Cell
for the Air Cell
meet, are contoured for excelto join onto the
lent positioning on the body
Separate harness is locked into
Back Pack
the back Pack and attaches to the
while allowing the air cell to
air by cell straps
inflate without discomfort.
The shoulders are the pivotal
Patented Swivel Buckles allow point where the air cell & harAir Cell to move into the most ness meet. They are concomfortable position for the diver
toured for excellent positioning of the BCD & joined by a
patented pivoting buckle system, which allows the air cell
to move into the optimum location relative to the harness
for maximum comfort without squeeze.
BCD’s 17
BCD's:
Your Icon Guide
Armorshield Cordura, a guarantee of quality,
is seven times more durable than standard nylon, 14
times more durable than cotton, lightweight, tough
yet comfortable, exceptionally resistant to punctures
and tears and quick drying. Its unique patented
‘colour lock’ significantly reduces fading of both the
thread and the finished fabric.
3-Dimensional Internal Gusset
utilises a
third piece of material to form the gusset that
inflates to create buoyancy. When inflated, it
expands away from the body rather than causing a
squeeze effect around the torso. This style of gusset
is far superior and much more comfortable as it
allows the BCD to remain fitted snugly to the body
irrespective of the level of inflation.
is a simple yet extremely important insert which
compresses when the tank band is initially tightened. When the tank band stretches (either when
wet or under load) the traction system expands to
take up the slack, ensuring the tank is firmly
attached to the BCD at all times.
Full Weight Integration
incorporates the lead weights, traditionally worn
around the diver’s waist, into the BCD, taking
weight off the hips and greatly improving comfort.
The Quick Draw and Sure LockTM systems makes
for easy removal and replacement of the weights.
Triangular Load Distribution System,
exclusive to SeaQuest, redirects the cylinder’s load
evenly across the harness, relieving back pack pressure & making it easier to manoeuvre. LDS offers
greater flexibility without sacrificing performance.
Sure LockTM Weight System
is an exclusive to SeaQuest. This system is for quicker, easier and safer installation of weight pouches.
Self-adjusting Lumbar Support
is a patented system which conforms to the diver’s
lower back for improved cylinder support.
Powerline Inflator
is a high performance, environmentally sealed unit,
with integrated hose clips for streamlining and dual
valves for rapid exhaust and over-pressure relief.
Pivot Buckles / Sculptured Shoulders
provide 50mm (2 inch) buckles of high strength
plastic and straps which follow the contours of the
diver’s shoulders, increasing both comfort and fit.
Multi-set Waist Band
allows you to quickly and easily adjust the waistband
of your BCD, depending on the type and thickness
of the wetsuit or drysuit you are wearing.
Depth Compensating Waist Band
adjusts as the wetsuit compresses with water pressure, keeping the waistband firm without squeeze
throughout the dive.
Independent Air Cell System
incorporates a separate harness locked into the back
pack and attached to the air cell by clips and a floating lobe strap system. This allows the air cell to
expand away from the harness offering full inflation
(without squeeze) while firmly securing the cylinder.
Contour Back Pack
increases comfort both above the water and below
the surface. It is curved to the shape of the cylinder,
and creates a snug fit, ensuring that the cylinder’s
weight is evenly distributed over the length of the
BCD and therefore the diver’s back.
Pro Unlimited
Quite simply the best BCD on the market
When SeaQuest set the design criteria for the Pro Unlimited the
instructions were simple – take the best concepts already used and
make the best BCD ever.
The Pro Unlimited creates two new categories of diver – those that own
the Pro Unlimited and those who want to own one.
Now with Surelock Weight system - see page ?? for details!
Armorshield Cordura
Sculpted shoulders
featuring the
exclusive Sea Quest
Buckle System
3-Dimensional Internal
Gusset
Vertical adjustment
Chest Strap with 2
options for Vertical
Strap Position
Powerline Inflator
standard
(Shown with Air Source)
Outer bladder
Armorshield
Cordura for
increased
Wear & Fade
Resistance
Multi-Set Waist Band
Depth Compensating
Waist Band
Dump System
including Upper
right side
Shoulder Pull Dump
& lower right
side Pull Dump
Contour Back Pack
Wenoka’s
SqueezeLock knife
included
Self Adjusting Lumbar
Support
Powerline Inflator
Pivot Buckles / Sculptured
Shoulders
Sure LockTM Integrated
System
The Pro-Unlimited
features a selfadjusting Lumbar
Support & a sliding
Lumbar Support
for unparalleled
comfort. Ask your
dealer for a
demonstration
2 large
zippered
pockets
with pull
cord
Releasable
Weight Pouches hold
8kg each.
2 Non-ditch Pockets
in the back 2kg each Remote pull
(removable)
dump
Depth compensating
waistband
6 stainless steel
D rings for
attachment
points
Instrument Retractor (105cm).
Squeeze Lock Knife (hose mount
included).
New Weight Pouch Carry Handle.
Single Weight
Placement System.
Remote Rear Pull Dump System.
6 Stainless Steel D rings.
2 large zippered pockets with pull cord.
PRO UNLIMITED SPECIFICATIONS
Type of BC
Fabric
Weight System
Waistband
Back Pack
Pockets
Jacket, 3D Expandable
Armorshield Cordura®
Fully Integrated + 2 Non-Ditch Pockets
Depth Compensating Waistband
Contour Pack with Traction Pad (2 sizes)
2 Large Zippered
Clips, D-rings
Dump Valves
Sizes Available
Lift Capacity Lbs/Ltrs
Colours Available
6 SS D-rings (2 large)
1 Lower Back, 1 Right Shoulder
S, M, ML, L, XL
S=30/13, M=36/16, ML=38/17, L=51/23,
XL=63/28
Black/Blue
BCD’s 19
Space for one extra BC which will go here!!!!
Innovative design that creates a new category of buoyancy compensator
For 2004, SeaQuest has once again pushed the envelope in BC design
with the creation of the Fusion BC. This innovative design (patent
pending) captures the best qualities of a traditional jacket style BC and
Armorshield Cordura
copy
Sure
LockTM
back inflation BC to crate a new category of buoyancy compensator The Fusion!
and pix to come
Pivot
Gusset
Depth Compensating
Waist Band
Fusion inflation tube
Contour Back Pack
Support
included).
Single Weight Placement
System.
Fusion
Innovative design that creates a new category of buoyancy compensator
For 2004, SeaQuest has once again pushed the envelope in BC design
with the creation of the Fusion BC. This innovative design (patent
pending) captures the best qualities of a traditional jacket style BC and
Armorshield Cordura
back inflation BC to crate a new category of buoyancy compensator The Fusion!
System
Powerline Inflator
Gusset
Shoulders
Depth Compensating
Waist Band
Fusion inflation tube
Contour Back Pack
Support
included).
Single Weight Placement
System.
Black Diamond - Back Inflation
Big Air Lift for the serious diver
The Black Diamond’s patented 3-dimensional air cell expands up to a
massive 22 litre lift capacity, while keeping a very low-drag profile. The
Armorshield Cordura
weight holster release system can hold up to 15kg. Two non-release
weight pockets add another 4kg.
Tank Traction
System
Support
3-Dimensional
Internal Gusset
Pivot Buckles /
Sculptured Shoulders
System
BLACK DIAMOND SPECIFICATIONS
Contour Back Pack
Powerline
Inflator
Shown with optional
air-source
Extra-wide Shoulders.
Excess shoulder strap Accommodation.
Unlimited Waistband Adjustment.
Rolled Neoprene Collar.
Fold-out pocket
Type of BC
Back Flotation, 3D Expandable
Fabric
840 Denier
Fully Integrated + 2 Side Non-Ditch Pockets
Weight System
Waistband
Adjustable Multiset + Optional 12” Expander
Back PackLarge Contour Pack with Traction Pad
Drop Pocket + Fold-out Pocket + Front Pocket
Pockets
Clips, D-rings
6 SS D-rings, 1 Female Clip, Jon Line
Dump Valves
2 Standard Lower Back
Sizes Available
S, M, ML, L, XL
Lift Capacity Lbs/Ltrs 50lbs (22 Litres) in all sizes
Colours Available Black/Black
Balance
For those who want the freedom of Back Inflation
As its name implies, the Balance is a finely balanced back-inflation
BCD.The patented 3-dimensional buoyancy envelope rapidly expands
from very low profile to high lift. The new large contour back pack is
designed for greater tank stability. All up, the Balance is the best streamlined back-inflation BCD available.
Armorshield Cordura
Shoulders
Gusset
System
Depth Compensating
Waist Band
BALANCE SPECIFICATIONS
Contour Back Pack
Triangular Load
Distribution System
Shown with optional air-source
Powerline Inflator
Adjustable Air-LockTM Waistband.
Plush material around collar for
added diver comfort.
Adjustable Air-LockTM Waistband buckle for quick
adjusting.
Type of BC
Back Flotation
Fabric
Armorshield™ Cordura®
Weight System
New Sure Lock™ integrated Weight System
Waistband
Monster-Lock™ Depth Compensating
Back PackContour pack with traction pad (2 sizes)
Pockets
Drop Pockets
Clips, D-rings
2 SS D-rings, 2 Plastic Rings, 1 Female Clip
Dump Valves
Sizes Available
S, M, ML, L, XL
Lift Capacity Lbs/Ltrs S=30/13, M=36/16, ML=36/16, L=40/18,
XL=50/22
Colours Available Black/Blue
BCD’s 21
Pro QD
Designed to be SeaQuest’s No. 1 selling BCD
The newly designed Pro QD+ with the new Sea Quest Sure LockTM
Weight System is the first Sea Quest BC available with this system.
It continues Sea Quest’s tradition of quality and innovation, but is the
new choice of the serious diver.
Armorshield Cordura
Full Weight
Integration
3-Dimensional
Internal Gusset
Depth
Compensating
Waist Band
Contour Back
Pack
Powerline
Inflator
Pivot Buckles /
Sculptured
Shoulders
System
Non-releasable weight pockets.
Sure LockTM Integrated Weight System.
Heavily Padded Back Pack.
PRO QD+SL SPECIFICATIONS
Type of BC
Fabric
Weight System
ADV Jacket
Sure Lock™ integrated weight system
handles up to 9kg of releasable weight on
XS-ML, up to 14.5kg on L-XXL
Waistband
Back Pack
Pockets
Clips, D-rings
Depth Compensating Waistband with 1.5” buckle
Contour Pack with Traction Pad (2 sizes)
2 Large Zippered Pockets with pull chords
Large D-rings for easy shoulder strap
adjustment
Wave: The most durable and widely used BCD for school use
The highest quality and exceptional value
While the Wave may be in the budget-price range it still offers an array
of features and promises the same high performance standards as the
Armorshield
Cordura
Powerline
Inflator
logo
colour
Powerline
Inflator
more expensive models. It boasts a soft-covered back pack, a full compliment of metal D-rings and a right-hand shoulder dump.
WAVE SPECIFICATIONS
Type of BC
Fabric
Waistband
Back Pack
Pockets
Clips, D-rings
Dump Valves
Sizes Available
Colours Available
Jacket
Standard Cummerbund
Soft Contoured Back Pack
2 Large Pockets
2 Stainless Steel D-rings
Right Hand Pull Dump
XS, S, M, L, XL (colour coded)
XS=26/11, S=29/13, M=37/16, L=41/18, XL=45/20
Black plus colour coded stitching for each size
logo colour = Different BCD sizes have different colour-coded AquaLung logos
to differentiate them. Especially good for school or charter businesses.
Padded Back Pack.
2 stainless steel D-rings
Tank location strap.
Powerline Inflator.
. Right hand pull-dump.
Malibu RDS - Back Inflation
Featuring an innovative harness system.
The Malibu RDS features the Aqua Lung Swivel Axis System (SASTM)
that is concealed in the new conforming foam-moulded harness. This
Now with Surelock Weight system - see page ?? for details!
innovative harness system self-adjusts to provide a great fit - contoured
to the diver’s torso.
Larger D-ring
shoulder strap for
easier adjustment
Back-mounted
buoyancy
Removable and
adjustable chest strap
Twin torso
adjustment straps
with quick release
buckles
Gusset
Durable 420
Denier nylon
material
Depth Compensating
Waist Band
Zippered
Pocket
on the
Waistband
Contour Back Pack
Support
Powerline Inflator
Double Adjusting Shoulder Strap.
“Slick Skin” abrasion resistant urethane panels.
Patented Rear 3D
Bladder provides extra buoyancy.
Conforming moulded shoulders and back pad.
2 fixed weight
pockets hold up to 2kg of
weight per pocket for a max
of 4kg
Integrated, releasable
weight system holds up
to 5kg of weight per pocket
for a max of 9kg
MALIBU RDS - SPECIFICATIONS
Type of BC
Fabric
Weight System
Waistband
Back Pack
Pockets
Back Inflation
420 Denier Nylon
Rapid Deployment Weight System™
Depth Compensating Neoprene
Conforming Foam Moulded Contoured Back Pack
2 Fixed Weight Pockets
Clips, D-rings
Dump Valves
Sizes Available
Colours Available
Double D-ring Shoulder Strap
Lower right pull damp on inside of the bladder
XS, S, M, L, XL
30/13 - 40/18
Black, Black/Yellow
Latitude
A simple, easy to use BC at a great price.
Solid construction with durable materials make the Latitude an excellent choice for active divers.
Armorshield
Cordura
Independent
Air Cell
Powerline
Inflator
Tank
Traction
System
Depth
Compensating
Waist Band
Contour
Back Pack
LATITUDE SPECIFICATIONS
Type of BC
Fabric
Waistband
Back Pack
Pockets
Padded Back Pack.
Jacket
Standard Cummerbund
Soft Contoured Back Pack
2 large, secure zippered Utility Pockets
Tank location strap.
Powerline Inflator.
Clips, D-rings
Dump Valves
Sizes Available
Colours Available
3 stainless steel D-rings.
3 Stainless Steel D-rings
Upper right hand pull dump
XS, S, M, ML, L, XL
XS=18/8, S=25/11, M=27/12, ML=29/13, L=41/18
Blue/Tangerine
Right side pull-dump.
BCD’s 23
Diva LX: Ladies’ Specific BCD
The best purpose-built female BCD
The Diva LX (Luxury Edition) provides all the features expected in a
high-end buoyancy compensator: excellent fit, additional lift capacity,
bigger pockets and more attachment points. However, because it was
built for the female form, the patented sports bra design harness distributes the weight evenly away from pressure points. It is very stable
and user friendly.
Armorshield Cordura
Double Adjusting
Shoulder Strap with
thumb Levers
Slick Skin
Urethane
Back Pack
Comes standard with
Powerline Inflator
(Air Source optional)
Gusset
SeaQuest
Patented
Sports Bra &
Specifically
Designed Harness
to Avoid Pressure
Points in the
Chest Area
Depth Compensating
Waist Band
Multiple
Stainless
Steel
D-rings
Contour Back Pack
Zippered
Pocket on
the
Waistband
Support
Powerline Inflator
System
Easy to Access,
Extra Large
Pockets with
Zipper Pull Cord
Multi-set Waistband
with Contoured
Adjustable Clips
Sea Quest Patented Weight
Holster Release System,
holds up to 9kg of
Releasable Weights
Double Adjusting Shoulder Strap.
“Slick Skin” abrasion resistant urethane panels.
Patented Rear 3D
Bladder provides extra buoyancy.
DIVA LX SPECIFICATIONS
Type of BC
Fabric
Weight System
Waistband
Back Pack
Pockets
Ladies Jacket with 3D Rear Bladder
Fully Integrated + 2 Non-ditch Pockets
Depth Compensating w/Multiset Waistband
Contour Pack with Traction Pad
2 Extra Large Pockets + 2 Pockets on Tank Band
Clips, D-rings
Dump Valves
Sizes Available
Colours Available
5 SS D-rings, 1 Female Clip, 1 Hose Retainer
1 Standard Lower Back (Lg Pull Ball)
XS, S, M, ML
XS=29/13, S=32/14, M=38/17, ML=40/18
Black/Black, Black/Cherry
BCD Accessories
Deco Stop Surface Marker Buoy
D-Rings
Features
• Carried by the diver and released for deco stops
• Height: 1.2m
• Volume: 16 litres
• Weighted lower opening
• Fitted with 12m of line and carried in a pocket
retained by a snap hook.
Some BC’s are designed specifically with
a variety of D-rings in various locations
to provide the diver with the greatest
number of mounting options. If you
have heavy accessories, you may want
to consider a BC with the ISS (Internal
Support Structure) system as this will
help distribute the load of those
accessories.
Libra: Ladies’ Specific BCD
Ladies’ Special - with back inflation.
The Libra was specifically designed for women and features sculpted fit
& shape. Also, many divers prefer back inflation as it provides greater
freedom at the front of the BC and excellent stability while diving.
Armorshield Cordura
Support
Full Weight
Integration
Pivot Buckles /
Sculptured Shoulders
3-Dimensional
Internal Gusset
System
Multi-Set Waist
Band
LIBRA SPECIFICATIONS
Contour Back
Pack
Powerline
Inflator
Tank Traction
System
Shown with optional
air-source
Sculpted shoulder straps.
Larger D-rings for easier shoulder strap
adjustment.
Waistband Adjustment.
Rolled Neoprene Collar.
Fold-out pocket
Type of BC
Back Inflation
Fabric
840 Denier
Sure LockTM integrated weight release system
Weight System
Waistband
Adjustable Multiset + Optional 12” Expander
Back PackLarge Contour Pack with Traction Pad
Non-releasable weight pockets
Pockets
Clips, D-rings
Large D-rings, 1 Female Clip, Jon Line
Dump Valves
Sizes Available
S, M, ML
Lift Capacity Lbs/Ltrs 50lbs (22 Litres) in all sizes
Colours Available Black/Silver
Passport Lightweight Travel BCD
A BC made with the travelling diver in mind
Specifically created with the travelling diver in mind, this BC’s design
uses durable, lighter weight materials to reduce bulk and weight while
still offering the many features of a traditional SeaQuest BC. The
Passport is the lightest and easiest travelling BC in SeaQuest’s line and
includes its own built-in storage bag.
Support
Full Weight
Integration
Powerline Inflator
Multi-Set Waist
Band
Depth
Compensate-ing
PASSPORT SPECIFICATIONS
Contour Back
Pack
Shown with optional air-source
Quickdraw Weight Placement System.
Hook and Loop waistbands.
3D rings.
Type of BC
ADV Ladies Jacket
Fabric
Weight System
Integrated Quickdraw Weight System
Waistband
Comfortable Hook and Loop Waistband
Back PackContour Back Pack
Pockets
2 large, secure Zippered Utility Pockets
Clips, D-rings
3 Utility D-rings
Dump Valves
2 Shoulder and 1 Lower
Sizes Available
XS, S, M, ML, L, XL
Lift Capacity Lbs/Ltrs XS=18/7, S=21/9, M=25/11, ML=28/12, L-37/16
Colours Available Blue/Tangerine or Silver/Yellow
BCD’s and Regulators 25
SET SPECIALS.
COPY AND PIX TO COME
Rebreathers
rager rebreathers take
diving to a new and
exciting level, where the gurgle of exhaust bubbles is
gone, leaving the serene silence of the underwater world.
D
The Drager units featured here are rebreathers, where nitrox
mixture is rebreathed after it has gone through a circular path of
CO2 absorption followed by nitrox re-enrichment. In this semiclosed circuit there is optimal reuse of exhaled gas. This means
there is minimal gas to expel so fewer bubbles. Your mixed gas
cylinder could last you a whole weekend of diving, as your
breathing gas usage can drop by up to 90%, when compared to
open-circuit scuba equipment.
The process of CO2 elimination heats and moisturizes the gas
the diver breathes, resulting in greater comfort. By construction
and design a Drager rebreather is also considerably lighter than
standard scuba equipment.
The combined result of these differences is simply startling. The
diver is immersed in a peaceful, quiet world. Sea creatures are
noticeably less intimidated.
The air is moist and warm, much like rainforest air. There is
increased freedom of movement and comfort. Drager lets the
diver blend gently and silently into the underwater world. It’s
how it should be.
DragerRay
Lighter than the Dolphin, the DragerRay is a semi-closed
rebreather. It provides constant gas, and bypass for additional
gas demand, and CO2absorption through
the in-built scrubber
canister.
The DragerRay is limited to 22m (72 feet) with its dosage insert
of 50 percent oxygen.
Dolphin Rebreather
The Dolphin is a recreational semi-closed re-breather with constant gas flow and a bypass for additional demand supply. The
CO2 is absorbed via the scrubber canister.
The Dolphin is limited to a
depth of 40m (130 feet)
with optional 32% O2 dosage
insert.
An optional kit is available which can enhance the depth capability to 40m (130 feet).
The DragerRay comes complete with a buoyancy compensating
jacket with inflator, five integrated weight pockets and a by-pass
valve with integrated constant dosage for nitrox 50, a bailout
regulator, flow meter, and an operator’s manual.
The Dolphin is equipped for
dosage inserts of nitrox gas comprised
of 40, 50 and 60% oxygen. It comes complete
with a buoyancy compensating jacket with inflator, five integrated weight pockets and bypass valve with integrated constant
dosage for nitrox 50, bailout regulator, flow meter, and operator’s manual.
www.seeanotherworld.co.za
Computers 27
Gauges/Computers
here are three very good reasons to purchase a quality dive
computer. Firstly, used properly, a dive computer will
greatly increase diver safety by reducing the risk of decompression sickness. They do this by calculating complex decompression algorithms and provide the diver with the best possible information. Ideally, the computer should have three
modes: air, nitrox and gauge.The Air mode should accommodate for use with standard air only, the Nitrox mode for use
with up to three nitrox mixes containing 21-99% oxygen and
the Gauge mode for use as a simple bottom-timer.
T
The second reason to own a good dive computer is because they
do all the complex calculations, you are free to concentrate on
your diving, which will make your time under the water more
enjoyable.
The third and final reason to invest in a good quality dive computer is because they give you more bottom time with increased
safety.
There are four vital safety elements to consider when choosing a
computer.
1. Does it use microbubble technology to calculate decompression?
2. Does it offer continuous decompression?
3. Does it offer a multi-step ascent rate?
4. What about personal adjustment? Calculating Decompression?
Calculating Decompression
The most accurate method of calculating decompression is by
using the Suunto RGBM. The Suunto RGBM (Reduced
Gradient Bubble Model) is used in the Vyper, Stinger, Vytec,
Mosquito and the Cobra models of dive computer.
In essence, the Suunto RGBM is an advanced algorithm for
tracking both dissolved and free gas in the blood and tissues of
divers. The advantage of the Suunto RGBM is that it can
address a number of diving circumstances outside the range of
just-dissolved gas models by, for example, monitoring continuous multi-day diving, computing closely spaced repetitive diving
and taking into account adverse dives deeper than the previous
dive.
Why is RGBM so important?
The traditional approach to decompression theory is referred to
as multi-tissue, based upon the research of the pioneer of diving
medicine, Professor J S Haldane.
The Suunto Mosquito
The now famous Doppler testing found that micro-bubbles exist
in our body when we dive. The key to avoiding decompression
sickness is to keep the bubbles small enough so that they can travel through all tissue compartments.
The Reduced Gradient Bubble Model, the most advanced table
available to minimise growth of micro-bubbles is the safest system
available.
What about ascent rate?
Many companies still use outdated variable ascent rates, ie: the
computer allows you to ascend faster at deeper depths.
More recent testing and research by Suunto has established a slower
ascent rate. This offers both a greater chance of eliminating microbubbles of nitrogen through normal exchange in the lungs, and less
chance of these bubbles reaching a damaging size.
As a result of extensive research, Suunto has applied the principle of
a single slow ascent rate of 10 metres/min. In order to aid in maintaining a slow ascent rate Suunto uses a multi-step ascent rate meter
on all models.
This pic is a repeat. I
must be replaced by
info on D9 model
Despite the fact that his research is over 100 years old, it’s still
the basis for the most commonly used dive tables such as the US
Navy and Bhulmann, & thus the basis for most dive computers
today. These traditional tables break the body into sections,
which can absorb and eliminate nitrogen at different rates.
These are called tissue compartments. (eg blood, bone, muscles
and organs).
Modern research by Suunto and the renowned Bruce R. Wienke
has shown a different approach significantly improves diver safety.
Continuous Decompression
Continuous decompression is the ability to measure and calculate, in real
time, the optimum depth for decompression. Since the calculation is
updated at very short intervals, the diver is guided to the surface in
numerous short stops. The sets of ideal decompression depths tend
towards an exponential curve, which represents the function governing
tissue nitrogen absorption & elimination. Combined with a controlled
ascent rate, it is one of the most natural decompression methods known
today.
What else?
Other desirable features to consider are: safety stop countdown,
preset alarms with automatic backlight activation, adjustable profile memory sampling rate and bookmarks.
Of course it should be a very good watch, incorporating complete
calendar clock functions, dual time, daily alarm and a stopwatch
with elapsed time and split-time measurement. The ability to create personal settings through adjustment options give more versatility and safety to the diver.
The Cobra, Mosquito, Stinger, Vyper and the Vytec feature a
high-definition electroluminescent display which can be adjusted
to be on for 5 to 30 seconds, or turn on automatically when an
important alarm is given.
Finally, most of the top line models offer a feature that they call
“The Interactive Advisory System.”
Most of the top line computers
offer this feature which is an
intuitive menu system much
like a mobile phone read-out. It
makes life substantially easier.
Can I interface my dive computer with my PC?
Being able to download dive
profiles is becoming increasingly popular among divers.
What’s Gas Switching?
Gas switching is as it
sounds, switching gas mixtures while under the surface. Practised by only very
capable divers, but becoming increasingly popular,
gas switching can increase
bottom time and decrease
decompression time significantly.
Preferred gas mixes can be
stored as default (e.g.
EAN32, EAN50, EAN99),
and be set ON or OFF for
each dive, or modified as
needed.
The Suunto Vytec provides
easy and reliable gas
switching between enabled
gases during the dive.
Clearly, this exercise would
require an advanced dive
computer. The Suunto Vytec
is up to the challenge.
When in Nitrox mode the
user can preset up to three
different gas-mixes containing 21-99% oxygen.
The Suunto Vytec
The large memory capacity of the Suunto dive computers allows
you to transfer data — dive profile, maximum depth, temperatures, air consumption and nitrox information — directly from
your dive computer to your PC at home or your laptop on board.
What about memory?
Memory is important. You’ll need to choose a computer with sufficient memory to cover you for your dive period. All of the computers in the following pages have logbook and history memory.
However, the Spyder, Cobra, Vyper, Mosquito, Stinger and Vytec
store up to 36 hours of detailed dive information that can be
either viewed on the screen, or downloaded to your PC.
In fact, some of these
computers even allow
you to set the sampling
rate (the interval it
takes a reading, either
60, 30, 20 or 10 seconds).
Suunto introduced the first PC
interface in 1989 and has held
the lead in this area ever since.
Uploading a dive profile to a PC
How good is wireless technology?
These days, very good. In days gone by cameras, strobes
and other divers’ gauges interfered with the crude wireless
technology of the gauge. This meant they weren’t that
accurate or, subsequently, popular.
Now, thanks to developments from Suunto, wireless technology is accurate and dependable, and becoming
increasingly popular with divers who seek a more streamlined system. The Suunto Vytec comes with an optional
wireless pressure transmitter that can easily be attached to
the high-pressure port.
The wireless operation can easily be enabled or disabled
in the Vytec’s settings. With the wireless transmission
enabled, the Vytec displays tank pressure and calculates
remaining air time based on current gas consumption.
The wireless transmission can
be used in Air, Nitrox and
pic of D9 to
Gauge modes. The pressure
go here
transmitter is 300bar
(4000psi) compatible, and has
user replaceable battery.
BCD’s 29
Computers:
Your Icon Guide
Dive Computer Icon Guide
Personal computers are amazingly powerful devices designed to make
your life easier. Personal dive computers are no different offering state-ofthe-art technology wrapped in a watertight seal. Each of the following
Continuous Decompression is the ability to
measure and calculate, in real time, the optimum
depth for decompression. This is a safer type of
decompression as it more closely follows the way
nitrogen is eliminated from the body.
Automatic Activation
PC Downloadable
Electroluminescent Display
gives you the opportunity
to transfer information – depths, temperature, air
consumption, nitrox information and ascent rate to a PC or laptop after your dive You can then enter
further data – buddy’s name, weather, tides, etc - to
create a comprehensive dive log that can be stored
electronically and shared via email.
36-Hour Log Book Memory
allows you to
store a lot of information about your dive and the
best computers boast 36 hours of continuous
recording.
RGBM Tables
RGBM
- (Reduced Gradient Bubble
Model) – are by far the most advanced way of calculating decompression rates, increasing bottom
time and decreasing the risk of decompression illness.
Nitrox Compatible
computers are becoming
more desirable as nitrox diving is becoming more
popular.
Maximum Depth Alarm / Bottom Time
Alarm eliminates the need to constantly check
your depth gauge, allowing you to enjoy the dive.
Multiple Operating Modes in advanced dive
computers are capable of being set in several different modes – Air (for operation as a diver computer
with standard air mixes), Nitrox (for operation with
oxygen-enriched air mixes, Gauge (for operation
without decompression function, often used by
technical divers) and Free (for free diving/
snorkelling).
STOP
DEEP
computers offers a dazzling array of features. These icons below will help
you quickly and easily see which one has the features you need. Refer to
the table on pages xx & xx for more information.
means the computer
starts recording the dive the moment it is submerged, meaning fewer hassles and a higher level of
accuracy and therefore safety.
is a clear blue
backlight which activates either with a push of a button or automatically when dive alarms are given,
making the dive parameters and/or time clearly visible and legible in the darkest environment.
Personal Adjustment / Altitude
Adjustment can be adjusted for diving
at altitudes up to 3000m (10,000ft). A personal level of
conservatism can be added. This option gives more
versatility and safety.
Bookmark Facility enables the diver to enter
bookmarks (possibly highlighting interesting parts
of the dive) into the computer’s logbook for future
reference. The information, including profiles, can
be read from the display or downloaded to a PC.
Calender / Clock Function offers time and
date functions. (Some units offer dual time and
stopwatch functions.)
Built-in Dive Simulator turns the computer
into a powerful dive-planning tool, allowing you to
map out several possible scenarios while on the surface, (including requisite decompression) allowing
you to optimise dive time and plan for contingencies.
Wireless Air Integration
allows for the display of tank pressure and calculates remaining air
time based on current gas consumption. The wireless transmission can be used in Air, Nitrox and
Gauge modes. The pressure transmitter is 300 bar
(4000 psi) compatible and has a user-replaceable
battery.
Smart Technology uses mobile phone technol-
Air Integration
electronically calculates the
minutes of gas remaining and shows air pressure
remaining.
ogy and helps the diver easily navigate the numerous
functions of the computer.
Deep Stop allows for a faster ascending rate without the need for a long decompression stop by introducing deco stops at greater depth.
User Replaceable Battery
eliminates the
need to take your dive computer to a dive shop or
jeweller, saving time and money.
Vytec
Versatile and feature-rich Multigas Decompression Computer with Optional Wireless Transmission
The Suunto Vytec is the most feature-rich dive computer on the market
today. A versatile full decompression computer for the advanced diver,
RGBM
its three operating modes, ability to set multiple gases and its optional
wireless pressure transmission puts the Vytec in a league of its own.
Continuous
Decompression
Maximum Depth Alarm /
Bottom Time Alarm
Personal Adjustment /
Altitude Adjustment
PC
Downloadable
Multiple Operating
Modes
Calendar / Clock
Function
36-hour Log
Book Memory
Automatic
Activation
Built-in Dive
Simulator
RGBM
Tables
Electroluminescent
DisplaySure LockTM
integrated System
Wireless Air
Integration
Nitrox
Compatible
Bookmark
Facility
SMART Technology
Suunto Vytec and Transmitter
Stinger
When function meets style, you have the Suunto Stinger
Stylishly designed with a choice of either titanium or metallic case, the
Stinger is a superb dive computer with stunning good looks. Boasting
a vast range of features that would satisfy even the technical diver, the
Stinger is the dive computer you can wear every day.
Bottom Time Alarm
Continuous
Decompression
Multiple Operating
Modes
PC
Downloadable
RGBM
36-hour Log
Book Memory
Automatic
Activation
RGBM
Tables
Electroluminescent
DisplaySure LockTM
integrated System
Nitrox
Compatible
Bookmark
Facility
Altitude Adjustment
SMART
Technology
Calendar / Clock
Function
Available in titanium or stainless steel case with a choice of metallic or elastomer band
Mosquito
Performance that bites
The rugged Suunto Mosquito is an advanced wristop dive computer.
With complete air and nitrox capability and a separate free-diving
Automatic
Activation
Bottom Time Alarm
PC
Downloadable
Electroluminescent
DisplaySure LockTM
integrated System
SMART
Technology
36-hour Log
Book Memory
Bookmark
Facility
RGBM
Tables
Calendar / Clock
Function
Nitrox
Compatible
Altitude Adjustment
Continuous
Decompression
RGBM
mode it is suitable for all kinds of diving.
Made of lightweight composite material
Multiple Operating
Modes
User Replaceable
Battery
Computers 31
Gekko
Gives the specifics of any diving situation at a glance
An ideal choice for sports divers who do not require a PC interface or
simulation features. The Gekko is easy to operate and its superbright
phosphorescent LCD
RGBM
display can be charged with a dive light, enabling you to read the displayed digits even in dark conditions. It can be worn as a wrist unit, or
mounted on Suunto’s consoles.
Continuous
Bottom Time Alarm
Personal
Adjustment /
SMART
Technology
36-hour Log
Book
Automatic
Activation
RGBM
Tables
Electroluminescent
DisplaySure LockTM
integrated System
Nitrox
Compatible
Bookmark
Facility
Calendar / Clock
Function
Can be used with both air and nitrox, and is designed
to give the specifics of any diving situation, including decompression, at a glance.
Viper
The advanced technology Computer
Featuring smart-button technology, the Vyper is simple to use. Using
mobile phone technology, the SMART button feature prompts the
RGBM
diver and allows for easy navigation of the numerous functions.
Continuous
Bottom Time Alarm
PC
SMART
Technology
36-hour Log
Book
Automatic
Activation
RGBM
Tables
Electroluminescent
DisplaySure LockTM
integrated System
Can be used with twin-gauge.
Can be rigged with tri-gauge and
compass combo.
Nitrox
Compatible
Altitude Adjustment
Calendar / Clock
Function
Built-in Dive
Simulator
Bookmark
Facility
Cobra
Brains and Beauty
Featuring air integration (giving cylinder pressure and remaining air
time) the Cobra makes the perfect dive buddy. Its 300-bar cylinder
compatibility suits a wide range of tank capacities.
Continuous
Decompression
PC
Downloadable
36-hour Log Book
Memory
RGBM
RGBM
Tables
Nitrox
Compatible
Cylinder pressure readout
Remaining Air Time Readout
Proving that the Cobra’s looks are matched by its intellect the computer’s stylish, ultra slim-line boot is easy to hold and creates minimum
drag.
Bottom Time Alarm
Altitude Adjustment
Air
Integration
Calendar / Clock
Function
Automatic
Activation
Built-in Dive
Simulator
Electroluminescent
DisplaySure LockTM
integrated System
SMART Technology
Bookmark
Facility
Multiple Operating
Modes
D9
The world’s first all-in-one dive computer
Suunto D9 is the world’s first dive computer to integrate a digital
compass and wireless tank data reception.
Underwater, a diver must monitor several gauges to receive the crucial information about the dive: depth, time, tank pressure, decompression status and direction to name just a few. Suunto D9 combines
all dive-critical information in one instrument, conveniently mounted on your wrist. Instead of monitoring a multitude of gauges, you
can concentrate on what is important - diving.
Suunto D9 is the world’s first dive computer to incorporate a digital
compass. The compass shows the general direction with a graphical
compass rose, as well as the exact bearing with a numerical display.
Headings can be stored in Suunto D9’s memory for later analysis. The
compass can naturally be used on land, too.
By using Suunto D9’s optional wireless transmitter, the diver can also
monitor tank pressure & air consumption data from the wrist.
Continuous
Decompression
Suunto D9 can be used with up to 3 different gas mixes containing
21-100% oxygen, allowing gas switching during the dive.
Decompression calculations are based on the Suunto Deep Stop
RGBM model (see information on the right), which provides interactive deep stops as an alternative to traditional safety stops. For those
intending to go really deep, the maximum depth display is set at
200m (660ft).
In addition to basic dive data, the built-in dive logbook provides a
graphical dive profile where real time water temperature & tank pressure data can be analysed on the wristop computer. The sampling rate
can be set to as low as 1s. The beautifully designed Suunto D9 has a
titanium housing. It includes an USB-compatible PC interface & the
Suunto Dive Manager 2.0 software.
Bottom Time Alarm
Altitude Adjustment
36-hour Log
Book Memory
Multiple Operating
Modes
Calendar / Clock
Function
RGBM
Tables
Automatic
Activation
Built-in Dive
Simulator
Nitrox Compatible
Electroluminescent
DisplaySure LockTM
integrated System
Wireless Air
Integration
Bookmark
Facility
SMART Technology
PC
Downloadable
RGBM
The remaining tank pressure is displayed both numerically and graphically, and an estimation of the remaining airtime is given throughout the dive. This allows the diver to
monitor the remaining air supply at the same time as he monitors
depth and time. Real time air consumption is also stored in the memory.
STOP
Suunto Vytec and Transmitter
DEEP
Compasses
SK-6 Compass
SK-7 Compass
This high-quality, liquid-filled diving
compass has improved acrylic capsule
design for added durability, flushing holes,
a side-reading window and a rotating bezel
with luminous markings. It is only available as a wrist model.
With its tilt potential of +/- 30 degrees, the
SK-7 offers ease of operation, and a wide
console window for more accurate readings. The SK-7 is available in wrist, hose,
or console unit to fit any in-line gauge
configuration
Going the Combo
It’s possible to have two or three gauges working in a console. Suunto’s
modular system makes the choice all yours. The 2-in-line alternatively
houses all Suunto wrist model computers or the SM-16 depth gauge for
analogue display. The pressure gauge can be either the SM-26, suitable
CB - Double-InLine
Combo console
with the same instrument options as the
Three-In-Line. With
this model the SK-7
compass is on the
reverse side of the
pressure gauge.
CB - Three-In-Line
This Combo console
houses either Suunto
computers or the
SM-16 depth gauge.
for 200 bar cylinders, or SM-36 which is suitable for 300 bar cylinders.
The SK-7 compass in console can be added to the CB 2-in-line to make
a CB 3-in-line or CB Double-in-line.
CB Two-In-Line
CB - Two
Pressure
gauge &
compass.
Pressure gauge
and depth
gauge.
CB - Double
Pressure gauge and
compass on reverse
side.
SUUNTO RGBM Computers & Gauges 33
What causes Decompression Illness?
Air consists roughly of 78% Nitrogen (N2), 21% Oxygen(O2) &
1% Argon (Ar), Carbon Dioxide (CO2) & other trace gases.
When we scuba dive, we metabolise the oxygen, but as Nitrogen
is an inert gas, it’s stored in the body just like the unseen gas in an
unopened bottle of soda water.
It all starts in the lungs, where the N2 is first diffused through the
alveolar and capillary membranes, into solution in the blood. This
N2-rich blood is then distributed by the arteries to the various tissues throughout the body. This is called ‘on-gassing’. In decompression modelling, these tissues are commonly called ‘compartments’. The deeper and longer we dive, the more N2 is taken up
by the body until a tissue finally reaches a point of saturation.
When one dives, tissues saturate with N2 at different rates. This
is determined by the blood flow rate to the tissue in question. The
brain, for example, has a very good blood supply, and is classified
as ‘fast’ tissue, while joints typically have a poor blood supply and
are rated as ‘slow’ tissue. There are several others in between. The
length of time that it takes for a tissue to reach 50% saturation
level at depth is called the ‘tissue half time’ and is usually measured in minutes.
During ascent, the process is reversed, and the gas is off-loaded
from the tissues back into the blood supply. This blood is then
returned via the heart to the lungs where the excess N2 & CO2
diffuses out through the alveoli in the lungs, and is exhaled. This
process is known as ‘off-gassing’.
The extent to which a tissue off-gases is determined by the pressure gradient (the difference between the tissue gas & the ambient pressure). There is a further important factor called the ‘oxygen window’.
This is a naturally occurring gas tension reduction that arises in
the actual tissues & venous circulation compared to the lungs &
arterial circulation. This leaves room for expanding gas, caused by
the ascent, to go without exceeding the ambient pressure, provided one doe not exceed a suitable ascent rate. Suunto’s designed
ascent rate of 10m/minutes takes full advantage of this phenomenon.
The potential for decompression illness occurs when the ambient
pressure reduction during ascent is too fast, & some of the excess
N2 in the body is released from solution to form bubbles. These
bubbles may then interfere with normal body functions, restricting blood flow & causing damage to tissues & nerves.For a diver
with decompression illness, the symptoms may start while still
underwater, or it may take several hours after surfacing. In some
cases the symptoms may not show for several days.
The Suunto Deep Stop RGBM algorithm
Suunto’s new RGBM algorithm takes the effects of free gas into consideration.
Classical Haldane-type
decompression calculation assumes that all
gas is dissolved into the
tissues, and remains
dissolved as long as the
maximum tissue tensions are not exceeded.
Bubbles are assumed to
form only when the
ascent rate or the mClassical Haldane
values are exceeded. As
the pressure gradient is invertedly proportional to the surrounding pressure, the diver is brought as shallow as possible, as fast as
possible, in order to maximise offgassing.
Doppler-studies however
show
that
microbubbles are present on all dives.
Therefore the effects of
free gas need also to be
considered in decompression calculation.
The Suunto RGBM
was designed to protect
Suunto RGBM
the recreational diver
from the effects of micro-bubble build-up. It incorporates a bubble-factor based tracking system to adapt the decompression
requirement based on conducted dive profiles.
The maximum ascent rate is set to 10m/min. Continuous decompression provides maximum offgassing and a clean decompression
curve. A 3 minute recommended safety stop is added to all dives
deeper than 10m. Mandatory Safety sops are added to deal with
adverse ascent rate violation. An extended service interval is
prompted when microbubbling is present.
The Suunto RGBM
algorithm increases
microbubble suppression on deep dives
even further by introducing iterative deep
stops.
The first deep stop is
placed at half the pressure difference betSuunto Deep Stop RGBM
ween your maximum
depth and the ceiling depth. Once the deep stop depth is attained,
the next deep stop will again be introduced half-way to the ceiling, and so on. Once the ceiling depth is reached, continuous
decompression is employed for staging the end of the profile.
In the Suunto D9, the user can choose between the familiar Safety
Stop providing Suunto RGBM, or the new Deep Stop RGBM.
Dive Computers - Quick Reference
Features
D9
Air Nitrox
Gauge
Watch
Operating Modes
Digital Compass
Air Integration
Wireless Air Integration
PC Interface
Maximum Depth Display
Ascent Rate Monitor / Alarm
Full Decompression Data
Consumed Bottom Time Graph
ASC Time Display
Backlight
Audible Alarm
Memory Capacity
* Profile (20s sampling rate)
* Logbook
* History
Profile Sampling Rates
Decompression Model
√
Stinger
Air Nitrox
Free/Gauge
Watch
Mosquito
Air Nitrox
Free
Watch
D3
Free
Gauge
Watch
√
√
Vytec
Cobra
Viper
Air Nitrox
Gauge
Air Nitrox
Gauge
Air Nitrox
Gauge
√
(optional)
√
√
√
√
√
√
√
* gauge mode
Up to 99 min Up to 99 min Up to 99 min
√
√
√
√
√
√
√
√
√
√
√
√
phosphorescent display
Up to 99 min Up to 99 min Up to 99 min Up to 99 min
√
√
√
√
√
√
√
√
√
√
√
√
√
√
~ 36 h
~ 36 h
lifetime
~ 36 h
~ 36 h
lifetime
~ 36 h
~ 36 h
lifetime
~ 36 h
~ 36 h
lifetime
~ 36 h
~ 36 h
lifetime
~ 36 h
~ 36 h
lifetime
~ 36 h
~ 36 h
lifetime
~ 50 h
~ 50 h
lifetime
1, 10, 20,
30, 60 s
SUUNTO
RGBM
2, 4, 10,
20, 30, 60 s *
SUUNTO
RGBM
20 s SCUBA
2 s Free*
SUUNTO
RGBM
1, 10, 20,
30, 60 s *
Bottom
timer only
10, 20,
30, 60 s *
SUUNTO
RGBM
10, 20,
30, 60 s *
SUUNTO
RGBM
10, 20,
30, 60 s *
SUUNTO
RGBM
30 s
mode
STOP
DEEP
SUUNTO RGBM
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
Gauge modes mode
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
√
21 - 50%
21 - 50%
Up to 3 gases 21 - 50%
containing
21-99%
1.2 - 1.6
1.2 - 1.6
0.5 - 1.6
√
√
√
Gas Switch During Dive
√
0.5 - 1.6
Max P02 Adjustment
CNS% + OTU Calculation (OLF)
√
√
√
√
√
√
√
√
√
√
√
√
Up to 3 gases
containing
21-99%
Notes
√
√ (incl.)
√
√
√
√
√
√
199m (656ft) 150m (492ft) 99m (300ft) 99m (300ft) 150m (492ft) 150m (492ft) 150m (492ft) 99m (328ft)
mode
02 % Setting
Air Nitrox
(optional)
Personal Adjustment
√
√
√
√
Altitude Adjustment
√
√
√
√
Safety Stop
√(+deep stop)
√(+deep stop)
√
√
Built-in Dive Simulator
√
Dive Planner
√
√
√
√
With dual time With dual time With dual time With dual time
Calendar Clock
√
Stopwatch
√
√
√
√
In Free/Gauge In Free mode In Free &
In Gauge
Dive Time in Seconds & Minutes In Gauge
Temperature Display
Max Depth Alarm
Daily Alarm
Battery Power Indicator
User Replaceable Battery
Selectable Metric/Imperial Units
Nitrox Features
Gekko
√
√
√
√
21 - 50%
21 - 50%
1.2 - 1.6
1.2 - 1.6
1.2 - 1.6
√
√
√
Masks and Snorkels 35
Masks
Y
our mask, snorkel and fins are the very basis of your diving equipment. Regardless of the quality of your regulator or BCD, without good-quality mask, snorkel and
fins, your diving experience will be less than it could be. There
are an array of features to choose from, so when choosing an
item it would pay to ask the people in the dive store for advice.
Selecting your mask
When selecting a mask for yourself the most important things
are fit and comfort. A mask has a good fit when it seats comfortably on the face, seals well and does not leak.
To check the fit of a mask, simply place the mask on your face
without the strap in place and inhale through your nose. The
mask should seal on your face without any leaks. All quality
scuba masks have a silicone skirt, the softer and more comfortable the better. Do not confuse softness with thinness of the
skirt material however.
The best masks have a thicker, more durable skirt while maintaining comfort. Aqua Lung use the best silicone made of
hypoallergenic LSR (injection molded liquid silicone). LSR has
the highest resistance to UV and remains soft and durable long
after cheaper copies have deteriorated.
Ease of adjusting your mask is also an important feature to look
for when selecting a mask.
Professional Series Adult Masks
US Divers/Aqualung Professional Series masks are made with high
quality hypoallergenic silicone skirts, tempered glass lenses with performance and style in mind. Designed to accommodate a variety of
face sizes, our double-featured edges ensure a tight seal, contoured
nose pockets make equalising easy!
Kea
Special features include innovative technical
features and maximum lightness.
Features
Type: Double Lenses
Lens Thickness: 3mm
Temper Specs: ANSI: DEMA
American Standards
Buckles: Quick adjusting, Rotating
Skirt: Clear & Black Silicone
Frame Colours: Cherry, Black, Clear,
Yellow, Blue. Weight: 180g
Tyke
Incredibly strong, light frame making it
appealing & ideal for every activity.
Features
Type: Double Lenses
Lens Thickness: 3mm
Buckles: Quick adjusting
Temper Specs: ANSI: DEMA American Standards
Skirt: Clear & Black Silicone
Frame Colours: Blue, Yellow, Clear, Cherry, Pale Blue,
Metallic Clear, Grey and Blue.
Mask Terms
ANSI: American National
Standards Institute
CAD: Computer Aided
Design
Hypoallergenic: Low Allergy
LSR: Liquid Silicone Rubber
Optical Version: Can be
modified for people who
wear glasses.
Pexisol: a plastic material
that, compared to glass,
offers superior transparency,
one tenth the weight, 20
times the resilience.
Mythos
To ensure a clear, perfect vision, lenses are slightly
raked and placed closer to the eye. Extremely
comfortable, this mask is ideal for all types of dives.
Features
Type: Double Lenses
Lens Thickness: 3mm
Temper Specs: AMSI: DEMA
American Standards
Buckles: Quick Adjusting
Skirt: Silicone LSR: Clear, Black
Frame Colours: Grey, Blue, Clear
Weight: 177g
Falco
Small, compact and light, this mask has two lenses. The most
advanced mask for free divers.
Features
Type: Double lenses
Lens Thickness: 3mm
Temper Specs: AMSI:
DEMA American Standards
Buckles: Quick Adjusting
Skirt: Silicone LSR: Clear
and Black
Frame Colours: Black, Yellow, Blue,
Weight: 151g
Masks... continued
Idea
This mask has an easy ‘pushbutton’ adjustment of the
strap tension combined with maximum adaptability to all
facial shapes.
Features
Type: Double lenses
Lens Thickness: 4mm
Buckles: Quick Adjusting,
Rotating
Skirt: Clear and Black Silicone
LSR
Frame Colours: Blue, Turquoise,
Black, Yellow
Weight: 198g
Look
Ever since its launch, this
mask has been very successful
- today it’s one of the bestselling masks in the world.
Features
Type: Symmetrical lenses: can be replaced with prescription opticals.
Lens Thickness: 4mm
Buckles: Rotating through 360º; ideal for correct strap positioning
Skirt: Clear Silicone LSR
Frame Colours: Blue, Turquoise, Black, Yellow, Clear, Pink
Snorkels
Heliox
Air Midi Dry P/V
This snorkel, which is made from non-allergenic
material, has been carefully designed to make it easier to stay underwater for longer thanks to the use of a
comfortable, orthodontic silicon mouthpiece that is supported by a swivel element to optimise its position. The
spray-proof end on top of the bore reduces the possibility of water entering.
The Air Dry snorkel is also available in a Midi
version, which is identical to the Air Dry
snorkel, but with a smaller mouthpiece.
Features are identical to that of the Air Dry, except
that this model snorkel only comes in 6 colours,
including the colour shown here.
A new exhaust valve placed on the lower section ensures
complete draining without any water residue and also
halves the time and effort needed for breathing. The snorkel retainer features an exclusive
lever system so connection to and removal from
the mask is simple and immediate.
Heliox is also available in a version without a valve, for those who
prefer simplicity.
Air Dry P/V
This snorkel is considered the snorkeller’s best choice.
A twin valves purging system halves the time and effort
needed to purge the snorkel. The mouth-piece can be
turned to the most comfortable position in the mouth.
Features
Type: Traditional
Tube & Mouthpiece: Anatomic (curved)
Material: Thermoplastic & Silicone
Retainer: Quick fixing
Purge Valve & Vent System: Yes
Colours: 8 colours, including black, grey
and turquoise
Snap
When rolled up, this snorkel is the size
of a fist. It returns to its original shape
when you unroll it. Snap is ideal - instead of
hanging from a mask strap, it’s supplied with a
case, so it’s easy to carry around. It has a wave guard
and its anatomically shaped mouthpiece can be
turned to the most comfortable position.
Features
Type: Foldable
Tube & Mouthpiece: Anatomic (curved)
Material: Thermoplastic & Silicone
Retainer: Quick fixing
Vent System: Integrated
Colours: Clear, grey and blue.
Fins, Masks and Snorkels 37
Fins Technical Features
Spring Effect:
Rubber is the best possible spring as it works in
both compression and
tension. During kicking
the rubber injected into
the ribs accumulates
elastic energy which is
released at the moment
the fins change direction.
This increases their reactive force, eliminating
‘dead’ changeover time
making the fin more
propulsive and energy
efficient..
Layering:
Layering of thermoplastic
rubber into recessed ribs
on the blade of fins provides the best possible
spring effect without
changing the natural
structure of the fin.
Variable Geometry:
Optimising and propor-
tioning of the fin in relation to the muscular force
used at the specific phase
of kicking, makes swimming less tiring.
Rigid Foot Piece Rib:
The rigid material used in
the foot piece assists in
transmitting all the muscular power through to the
flexible fin.
Channelling and
Ribbing:
Ribs add rigidity to the
blade and act as vertical
stabilisers (lessening twist)
while channels guide the
water smoothly over the
fin in the correct direction.
Traction Pads:
Blades HF
The best-selling and most highly rated fins in the world
Developed around the Layering technology
that combines rubber and a plastic support,
these recently launched fins are covered by
the most recent patents
and studies carried
out on TECHNISUB fins, the
spring effect, flow
channelling, foot piece
with rigid material rib, rotating adjustable buckles that can be
unlocked quickly and pre-deformed
elements. Blades HF are totally edged in
rubber for better protection against impact.
The performance provided makes these fins a
real winner. They will repeat and exceed the
success enjoyed with the Stratos range.
Features
Type: Adjustable
Buckles: HF quick release, quick adjusting
Weight: 0.998kg
Total Length: 668mm
Material: Thermoplastic
Stratification: Yes
Spring Effect: Yes
The foot pocket has been
Sizes: Small, Medium, Large
Colours Range: Yellow, Blue, Clear, Black designed ergonomically: the sole
provides the best elastic reaction
Pads on the sole of the
fins give traction on
smooth surfaces such as
boat decks, rocks and
swimming pool tiles.
The sole has generous non-skid
rubber patches.
Stratos FP
Features the same layering technology as the Adjustable version
The foot pocket is comfortable, but shaped to eliminate power-wasting
slacks. This fin has different thicknesses: a single layer at the top for
more comfort, a double layer at the sides for better control, triple
layers at the instep where most effort is needed. The side
ribs transmit the stroke effort from foot to blade without bending.
Note: The blade is not at the same level as
the foot pocket, but at a 20 degree
angle. This feature allows a more
relaxed leg position during finning.
Features
Type: Foot pocket
Buckles: No
Weight: 0.801kg
Total Length: 640mm
Stratification: Yes
Spring Effect: Yes
Sizes: 36/37; 38/39; 40/41; 42/43; 44/45; 46/47
Colours Range: Yellow, Blue, Dark Grey
1.
Pictures 1, above and 2,
below left:
The blade edge is positioned
under the heel to transfer the
energy from the foot to the blade.
2.
IDEA 3 HF
Designed for maximum efficiency during thrust
IDEA 3 HF can adapt itself perfectly to the different phases of the stroke
cycle, continually maintaining the ideal shape and turning the muscle effort
into thrust power. Thanks to the development of an exclusive injection
process, protected by several patents, which makes it possible to mould 3
materials of different characteristics together, IDEA 3 HF is made to satisfy even the most demanding diver. The foot is made from soft,
comfortable thermoplastic rubber, while the central element of the blade is made from a flexible and
elastic thermoplastic compound, preformed
both lengthways and crossways to obtain
variable geometric functioning. Last but
not least, the ribs, the true frame of the
fin, are made from a rigid and resilient
thermoplastic substance that guarantees
maximum power. IDEA 3HF fins come with
the quick and comfortable Hands Free Buckle System
so you can release them without
using your hands.
Features
Type: Adjustable
Buckles: HF quick release, quick adjusting
Rotating: Yes, 360 degrees
Weight: 0.907kg
Total Length: 625mm
Stratification: No
Spring Effect: Yes
Sizes: 3 - Compact to Giant
Colours Range: Black and Yellow, Grey and Blue,
Black and Grey
Left:
In the foot pocket version of
the IDEA 3HF, the foot
forms one body with the
blade, transmitting to it the
full stroke effort, while
retaining all the necessary
comfort requirements.
Left:
Strap adjustment is
quick and easy. It
requires less force than
traditional fins.
Caravelle ADJ
The latest generation materials for fins that owe their name to the great Technisub tradition
These fins are the direct descendants of those Caravels that, in the
early ‘60s turned out to be a
tremendous innovation in the area
of underwater thrust. The Caravel
fins retain the original design; they are
made from 2 different materials that greatly
influence the fins’ performance - flexible
technopolymer and rubber. The blade has an exceptionally effective and innovative thrust structure, enabling
the diver to obtain extraordinary performance with the minimum of effort. The open-footed boots are soft and comfortable,
anatomically shaped to get the best flexible response. The traditional
buckle ensures the correct positioning of the fin’s strap and makes them suitable for the more demanding dives as well.
Features
Type: Adjustable
Buckles: Quick release
Weight: 0.806kg
Total Length: 645mm
Stratification: Yes
Spring Effect: Yes
Sizes: Small, Medium and Large.
Colours Range: Black and Yellow, Black and Blue, Black and Grey
Above:
The fin blade is very thin and
flexible with excellent thrust.
Pictured below left:
In this version, called the Caravelle, the thrust
structure is formed in accordance with the same
innovative concepts as the Caravelle ADJ,
above. The blade of the fin extends all the way
back under the heel, forming an integral unit
with the foot pocket, which, in turn,
extends through the ribs in the blade to
form a single unit. The blade is completely
bordered in rubber to provide maximum
active and passive protection
Camera Gear 39
Cameras
T
he images you capture will be a permanent memory of
your dive experiences, which is why one of your first
investments after your dive gear should be a camera.
Photography is a complex subject but if you have any experience
using a camera on land, you will find underwater photography
can be as easy or as technical as you want to make it.
Sea & Sea boast the largest range of equipment and accessories
for creating award-winning
underwater images.
From cameras and housings
through to the most technologically advanced, underwater
strobes (underwater equivalent
of the flash) and even into the
burgeoning area of underwater
digital photography, Sea & Sea has the equipment to suit your
needs and budget. An ideal starting place is your friendly Sea &
Sea dealer who can point you in the right direction
.
Alternatively, our website, www.seeanotherworld.co.za, has
some information about this exciting and rewarding addition to
the diving experience.
MX-5II All weather camera 35mm film
A great starting place
Building on the reputation of the MX-5, the MX-5 II is a camera that
makes underwater photography fun and easy. All you need to do is
•
•
•
•
•
•
Tough and non-corrosive construction.
Optional YS-20A strobe and MX-5 II close up lens
for increased creativity.
Digital LCD display shows frame counter, film
load confirmation & low battery warning.
Weatherproof and waterproof to 36m.
Super sharp, all glass, 28mm lens.
Built in flash for brilliant land or
underwater images.
point and shoot. The MX-5 II is the perfect camera to capture memories of your dive.
•
•
Sportsfinder for easy framing doubles as lens
protector when folded down.
Two neon-like colours, blue and yellow.
The MX-5 II system allows great
photos like this at
the push of a button.
MX-10 All weather camera 35mm film
The simple camera that takes professional quality photographs
Here is an uncomplicated system that performs like an expensive one.
The MX-10 has the flexibility to take great photos due to the availabil-
•
•
•
•
•
•
•
Weatherproof and waterproof to 45 metres.
System includes close up, wide and macro lenses as well as the
YS-40A strobe.
All the MX-10 lens accessories can be inter-changed underwater.
Shoot close up, wide & macro all on the same dive.
32mm f4.5 glass lens for excellent image quality.
Tough, non-corrosive polymer construction for
toughness and durability.
Control over aperture for creative exposure
and depth of field.
Automatic film advance, film counter
and automatic film rewind for fast,
reliable operation.
ity of interchangeable lenses and a strobe.
This image is referred to as a
“macro” shot. Essentially, it is a
super close up image depicting
small animal or plant life, or fine
detail in larger ones. Macro photography is made simple using the
MX10, which combines simple
operation with stunning quality.
Macro shots allow the photographer to concentrate on composition and
the subject. Note the detail in this image, the strobe is very close to the
subject, so there is plenty of light which results in brilliant, saturated
colours. The MX-10 system allows great photos like this at the push of
a button.
DX-3100 Full amphibious all-weather digital camera
A world first
This fully functional 3.1 megapixel digital camera is fully amphibious,
which means that the chances of water damage and flooding of the
•
•
•
•
•
•
World’s first amphibious camera - depth rating
is 150ft/45m.
Maximum resolution: 3.1 Mega Pixel with
1/2.7 inch CCD.
Image size is from 640 x 480 to
2 048 x 1 536.
Digital 3 x zoom and1.6 inch Monitor on
the back.
Meniscus lens - can be used above or below
the surface
Also utilises all of the lenses designed for the
MX10.
camera is greatly reduced.
•
•
•
Built-in colour correction filter and macro lens.
Multi-flash functioning.
Built-in 16MB memory.
Colour: yellow.
•
MMIII All-weather camera - 35mm film
The evolution of the Motor Marine camera continues
The new generation of Motor Marine is more rugged and offers
more control than ever before. The MMIII is a rugged underwater
camera with a depth rating of 60m, which has been specifically
•
•
•
•
•
•
Strobe bracketing control
Push-button shutter speed
All controls are either on the top or in the
back,making them easy to read and
operate.
20mm f3.8 Primary lens makes it
easier to focus.
LCD display panel is illuminated
for night diving or dark water
2-point focusing takes the guesswork out of focusing
designed to meet the needs of both amateur and experienced
underwater photographers.
A variety of accessories and
lenses are available, offering
even more features & making
the MMIII the first camera
available with more features
than have ever been offered
on an underwater camera
before.
SLR Housings
The choice of the serious photographer and the professional
The best of both worlds, Sea & Sea housings allow you to take your housings are the ultimate in quality, usability and flexibility.
land camera on the dive with you. Film, digital or video, Sea & Sea
Housings are available for
both film and digital SLRs.
These include the Nikon
F65, F80, F100, F5, D100
and the Canon EOS 300
and D60 camera bodies.
Huge selection of ports to
NX-5
NX-80 Housing
suit most popular lenses.
Housing
All housings are waterproof
to 60m or more.
Massive selection of strobes
and accessories for every
need.
Many features including
leak detectors and Nikonos
CX-603
type bulkheads.
NX-100 Housing
•
•
•
•
•
Housing
Camera Gear 41
Digital Cameras, Housings and Accessories
Sea & Sea leads the way
Whether it be an amphibious digital camera, a housing for your digital SLR or accessories for the digital camera you already have, Sea
& Sea can help improve your digital photos.
Digital or Film?
This is the most asked question in photography today and difficult to answer. While film
still provides better image quality and can capture a greater range of colours and tones, the
immediacy of digital makes it very attractive to
many.
Some of the better digital cameras, especially digital SLRs now
have excellent quality up to 12x8
inch prints, and would
suit the enthusiast underwater
photographer.
Whatever you decide, Sea & Sea
provides a range of accessories so
you can get the most from your photographic system.
DC200 and
Adaptor
Expand your digital horizons
20mm Wide
Conversion Lens (suitable for use with
Adaptor above)
Macro Lens 2T
(suitable for use with
Adaptor above)
Some suitable ones for use with
digital cameras are pictured here.
YS-25DX Strobe
DX Arm
The new DX30/60 houses a
range of digital SLR cameras
DX Base Stay
No matter which digital camera housing you own or are about to buy, Sea
& Sea can expand your creative horizons with their unique digital adaptor system.
Uses super high quality MMII-EX accessories.
All accessories can be changed underwater.
Available for housings from most manufacturers including Canon, Sony,
Olympus and Ikelite.
16mm wide lens gives a 91-degree angle of view, the widest available for
digital.
16mm, 20mm, macro 3T, macro 2T and 2 strobes available.
Does not require any modifications to the original housing.
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•
Sea & Sea Underwater Digital Housings
The best of both worlds.
Combine the precision of an SLR with the instant availability of digital
and you have a system that will be the envy of others. Sea & Sea introduce the digital housings which will be seen by others as a standard measure for quality and usability.
Available for the latest technology including the Canon D60 & Nikon
D100 SLRs.
Uses NX system accessories for a huge range of available ports, lens gears
and accessories.
Compatible with Sea & Sea strobes.
Waterproof to 60 metres.
Use lenses from fisheye to telephoto.
The ultimate in precision, quality and control.
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Strobes & Accessories
Taking your photography further
Whichever camera system you use, Sea & Sea has the widest range
of strobes and accessories available in the world.
If you have further questions regarding your photographic equipment, please email: info@learntodive.co.za OR info@manex.co.za
Beginning with the tiny YS-30TTL Duo that allows TTL connection to either Sea & Sea or Nikonos systems and slave TTL flash,
to the YS-90DX Auto that has TTL, slave and digital compatibility, and the mega-powered YS-350TTL that has a guide number of
32 and ultra wide 105 degree beam.
A huge range of arms and connectors are also available to suit any
application.
YS-350 Strobe
YS-90 Auto Strobe
Whether you have a Sea & Sea film, digital or Nikonos system, we
can increase the creative potential of your system with wide and
macro lenses for all systems, strobe arms and optical view finders.
For the Nikonos system the 12mm is the widest lens available anywhere in the world, and the Sea & Sea 16mm lens is the only
underwater inter-changeable lens available for the Nikonos system.
YS-120 Strobe
YS-60 Strobe
Neoprene Suits For all waters
There are two ways to stay warm - with a wetsuit, or with a
drysuit. Wetsuits are ideal for waters warmer than 21ºC, but
if the water is colder, or if you spend a great deal of time in
Iceland Semi-drysuit
A 7mm, metal plush lined, one piece hooded suit with a drysuit zip – a serious semi-dry for the ultimate coldwater wetsuit.
1 piece 7mm metal plush lined – for superior comfort
Attached hood features exclusive bubblerelease system and face seal.
Thermal lumber and spine pad – to
protect the body’s sensitive areas.
5.5mm flex panels behind the
knees and elbows.
100% waterproof cross shoulder
dry zip – to ensure no water entry.
Bali
A great multi-purpose sports wetsuit with multiple applications.
Lycra collar.
3mm one piece wetsuit.
Wrist seals in ‘Glideskin’ neoprene
for easy dressing.
Knee pads.
Velcro zip tab.
Twin needle flat stitch.
Back zip.
Balance
Comfort 5.5
This 3-piece 5.5mm modular suit
includes a one-piece, a shorty and
a separate hood.
5.5mm one piece without hood,
back zip, edge binding, plush
lining.
Flex panels at joints and on the
bust of ladies’ models.
Chest in ‘glideskin’ for easier
dressing. Gives a good seal when
used with the shorty.
Shorty with extended front zip:
Protective spine pad.
‘Glideskin’ internal finish for
easier dressing, good seal.
the water, you should consider a dry suit. Not only does it
keep you dry, it also insulates you from the cold.
Tropix 0.5mm
Neoprene is a water-tight material - water does not pass
through it like on conventional lightweight fabric suits.
0.55mm Neoprene offers all the advantages of Neoprene.
The reduced thickness creates a very lightweight suit with
minimal effect on buoyancy.
Cup-stitched seams for improved
durability/comfort.
Warmer than conventional
fabric suits.
1mm skin out chest reduces
water evaporation to maintain warmth on surface.
Skin in neck seal reduces water
flow.
Adjustable neck, contoured arms
& legs for best fit.
Durable kneepads resist abrasion,
increase suit’s life.
Heavy duty non-corrosive #10
back zipper.
Temperature range +78ºF
Balance Comfort Wetsuit 7
This 2-piece modular suit includes a one-piece, a shorty and
attached hood. 7mm one-piece without hood, back zip,
edge binding, plush lining:
Flex panels at the joints & on the bust
of ladies’ models
Chest in ‘glideskin’ for easier
dressing. Gives a good seal when
used with the shorty.
7mm shorty with extended
front zip:
Protective spine pad.
‘Glideskin’ internal finish for
easier dressing. Gives a good
seal when used with one-piece.
Ultra-soft 3mm neoprene
crotch comfort panel.
Separate hood with smooth bib
and face seal.
Neoprene and Shell Suits 43
Shell Suits: How to stay warm underwater
W
etsuits encase the diver’s body with a
layer of foam neoprene. The water enters the wetsuit and
the body heats the thin layer of water next to the diver’s
body. The result is that the diver is wet, but warm.
The answer: a drysuit. A drysuit is a waterproof shell, the sole
purpose of which is to keep the diver dry.
By itself, it won’t keep the diver warm. However, varying layers
of insulation can be worn under the drysuit to keep the diver
warm.
However, over time, water circulation draws heat energy away
from the diver’s body and at depth water pressure reduces the
effectiveness of a wetsuit as an insulating device.
The primary advantage of a drysuit from this perspective is that
it allows you to vary your insulation with the needs of the dive.
So if you’re diving for protracted periods in cold water at depth,
chances are you will be cold in a wetsuit.
The colder the water, and the deeper the dive, the more clothes
you can wear under the drysuit.
How to choose a drysuit
A drysuit is a significant investment, one that you’ll expect
to last for many dives. So it pays to invest in a high-quality suit. Putting features like kneepads, boots and zippers
aside for a moment, the main thing to consider when
choosing a drysuit is how its component material is
made.
Nearly all drysuits are made from foam
neoprene. Some manufacturers use
compressed neoprene while the better
manufacturers use crushed.
Crushed neoprene is significantly superior. As the name implies, crushed neoprene is foam neoprene crushed, making the neoprene tougher, more flexible, and more comfortable then any foam neoprene on the market.
A good example of why foam neoprene (also often called
compressed neoprene) doesn’t make a good drysuit is
look at your old wetsuit. You’ll notice that the knees and
elbows get mushy. This is from the impact of your knees
against a hard surface.
Repeated impact, which is common to most dives, ruptures the cells inside. The cells eventually rupture into one
another.
If this happens to your drysuit, your drysuit is now a wetsuit. And once this starts happening, your drysuit will
never be dry again.
Diving Unlimited International (DUI) invented the crushed
neoprene process and called it CF200. Since that time,
CF200 material has been the standard
by which all other drysuits are measured.
To make a CF200 drysuit they first build
the suit and then put it under a precise
amount of pressure, for a precise
amount of time and at a precise temperature. This crushes all of the cells. The
cells do not rupture; instead the cell membranes flatten
against one another.
This ensures your DUI CF200 will not change thickness at
depth and, bottom line, your CF200 material will far outlast any compressed neoprene on the drysuit market.
Your purchase today will be around far longer than your
buddy’s compressed neoprene drysuit. Dick Long, President DUI.
Drysuits
Prosport
The dry suit for the 21st Century
This sport dry suit is made out of a tough tri-laminate fabric
with rubber taped seams that provide exceptional flexibility.
Fabrics:
Durable tri-laminate
Latex neck and cuff seals
Qualities:
Stitched and rubber taped seams
Warm neck collar for comfort
Tough double thickness reinforced kneepads
Removable braces for comfort
Elasticated back panel
Thermic neoprene lined boots
Swivel inlet valve and hose
Low profile variable cuff or
dump valve
Supplied with drysuit bag
Colours:
pic to come
Black, navy, silver
Sizes:
XS, S, SM, M, MB, LM,
L, LB, XL, XXL
Ladies’ Prosport
This dry suit is made of tough trilaminate material.
The Ladies’ Prosport comprises a tough trilaminate fabric and
rubber taped seams providing excellent flexibility.
Fabrics:
Durable tri-laminate
Latex neck and cuff seals
Qualities:
Stitched and rubber taped seams
Warm neck collar for comfort
Tough double thickness reinforced kneepads
Removable braces for comfort
Elasticated back panel
pic to
Fully adjustable waist
come
Thermic neoprene lined boots
Swivel inlet valve and hose
Low profile variable cuff or
dump valve
Supplied with drysuit bag
Colours:
Purple, black
Sizes:
S, SM, M, LM, L. Made-to-measure
also available
Boots 45
Boots
Super Zip
Perfect for the serious diver. Has a size 10 YKK zip.
Features
Sole Type: Flexible Vulcanised
Rubber Sole
Neoprene Thickness:
5mm (6.5mm Size 14-16)
Heel Protection: Yes
Toe Protection: Yes
Top of Foot Protection: Yes
Gusset Type: Full Neoprene
Size Range: 4-16
Atlantic Boot
Perfect for the serious diver.
Features
Sole Type: Flexible, non-slip Rubber Sole.
Neoprene Thickness:
5mm & 6.5mm
Toe Protection: Yes
Top of Foot
Protection: Yes
Gusset Type: Full
Neoprene
Size Range: 5-13
Beach Walker Shoe
Ideal for walking on the beach and over rugged terrain.
Features
Sole Type: Flexible Non Slip Rubber Sole
Neoprene Thickness: 2mm
Toe Protection: No
Top of Foot Protection: No
Gusset Type: Mesh
Size Range: 5-12
CAD: Yes
Gloves
V-Lok-5 thermocline Glove
Admiral
Double nylon lined neoprene, wide gauntlet for
easy donning and removal. Large Velcro wrist strap
for restricted water flow.
Features
Finger Protection: Rubberised
Coating for Protection and
Grip
Palm Protection: Rubberised
Coating for Protection and
Grip
Wrist Closure: Cinches with an
Adjustable Velcro Band
Comfortable glove which offers warmth and
excellent protection.
Features
Finger Protection: Rubberised
Palm Protection: Synthetic suede palm
is padded and re-inforced for
protection and durability
Wrist Closure: Velcro closure at
wrist
Torches
ights fill in the colour. Colour is everywhere underwater. Without artificial light, the colours become
muted as you descend. Different diving situations
require different dive lights. Dive lights vary in brightness,
beam pattern, burntime and size.
Experienced divers have found that no single light is adequate for all situations. They dive with several lights. The
lights shown here will suit a wide range of differing situations, above and below the surface.
L
Lumen X4 and X6
Extraordinarily appealing, both these torches offer absolutely
unequalled performance. The considerable power in extremely
small dimensions make them the perfect lights for many different diving experiences. They boast a unique & innovative
design, and can be housed in the BCD pocket.
A powerful and concentrated band of white light makes it possible to light up fissures and recesses. The multi-mirror reflector has a great surface area: this guarantees maximum lumi- Available in both rechargeable and battery versions. Offers a pisnous yield and perfectly uniform distribution. The torches tol-grip handle system, which is shaped to fit the hand’s anatohave a sliding switch, which is very easy to use.
my. To switch on and off, gently squeeze the trigger with your
index finger.
Mini Vega
Lumen X6
Battery: 6 x C-size batteries
Power: 130
Dimensions: 60 x 220
Duration: More than 6 hours
Front Glass & Reflector: Thermoplastic
Buoyancy: Negative
Operational Depth: 120m
Switch: Mechanical sliding
Safety Lock: Yes
Finishing: Multi-mirror
Lumen X4
Battery:4 x C-size batteries for X4
Power: 110
Duration: More than 6 hours
Dimensions: 60 x 155 for X4
Compact dimensions: 145mm in length.
Weighs only 1 013g in air.
Diameter: 97mm.
Features
Duration (max
power): 14 hours
Rechargeable: 1 hour
and 10 minutes
Battery: 4 x Alkaline
D-Cell; Rechargeable: 1 wrap of
4 x 4.4 Ahr Nicad D-Cell
Recharging Time: 14 hours
Charger: Yes
Power: 5.9 watts;
Rechargeable: 17 watts
Front Glass: Thermoplastic
Switch: Mechanical Trigger
Max Depth: 120m
Safety Lock: Yes - rotating
Finishing: Multi-mirror
Weight in air/water: 1 013g/ 25 with batteries;
Rechargeable: 1 100g/112g
Reflector: Thermoplastic
Knives 47
Knives
Types of Steel used for Knives
316 Series Stainless
A special blend of metals which offers the highest resistance to rust,
this softer metal with a lower carbon content has a Rockwell B hardness of 85–89. It can be sharpened to a good edge but will not hold
the edge as long as harder steels. Since 316 is a comparatively soft
metal it is not ideal for prying purposes but for active divers who
cannot always rinse and maintain their gear, the 316 Series knives
are recommended. All knives constructed of this material are guaranteed not to rust.
420 Series Stainless
A fairly hard steel which has good overall characteristics and a
Rockwell C hardness of 54–56, it can be expected to hold a sharp
edge reasonably well. The tensile strength is high making 420 better
for light prying applications. Due to the higher carbon content,
unpolished areas may sometimes rust when exposed to salt water. To
prevent rust the blade must be rinsed with fresh water and dried
after each use and a protective oil coating applied.
Techni-metal Stainless
This alloy manufactured by Technisub offers a unique compromise
between holding a keen edge and being corrosion-resistant.
Hydralloy
This proprietory metal of Underwater Kinetics combines a unique
blend of alloys. For anyone not wishing to purchase titanium, this is
an excellent choice as it not only holds a keen edge comparable to
420 SS but also resists corrosion like 316 SS.
Titanium
For divers who demand the ultimate in corrosion resistance, a keen and long-lasting
edge and strength, titanium has the
benefits of being the strongest of
any steel, weighing 45% less,
whilst being completely rustproof.
Professional
Multi-purpose blade with different saw edges for different uses.
Professional is available in 2 versions - with and without a hammer
cap. Part of the Diablo range.
Blade Size:
140x30x5mm
Blade: Stainless steel, corrosion resistant and good edge maintenance
Straps: Long-lasting, UV resistant, quick release and adjusting
Tool
The Tool strong blade has 14 and 16mm slots to fit regulators and
hose ends. Comes with a hammer cap.
Blade Size:
140x30x5 mm
Blade: Stainless steel, corrosion resistant and good edge
maintenance
Straps: Long-lasting, UV resistant, quick
release and adjusting
Mini Zak
A small, effective and versatile knife. Designed especially as a BC knife. Its holster fits on any BC.
Blade Size:
80x25x3,5 mm
Blade: Special stainless steel
Sheath: No mechanical lock
Straps: Quick release for leg mounting, accessories for BC, hose mounting.
Using a Knife Underwater
1. Ground in, the
sharpened line cutter
is useful for fast
cutting of a monofilament or a nylon
cord.
3. A knife can be
shoved into a sand
or mud bottom to
hold against the
current.
5. Serrations can
be used to saw
through submerged
tree branches or
similar underwater
obstructions.
2. The large butt cap
can be used to tap
on your air cylinder
for signalling to a
buddy.
4.Sharpened edges
or serrated edges
can cut a large
diameter rope of
any kind.
6. Sharp knives can
be used to dress out
fish until they can
be filleted.
Bags 48
Coast Bag
Classic Bag
The Coast bag is the ultimate snorkelling bag and backpack allin-one. It is constructed of heavy-duty 400 denier nylon material, which offers great durability. There is a separate front pouch
in the front of the bag which is specifically designed for a diving
mask. The mesh panelling on the bag’s pouches, sides and top are
for drainage and ventilation. The bag is prettioly multicoloured,
comprising blue, silver and black. It is very practical - an ideal
bag for diving.
This classic style bag is strong, durable and very popular. Its strong fabric holds diving equipment with ease.
PVC coated 1200 Decitex Nylon
Measurements: 78cm x 40cm x 32cm
Volume: 95 litres.
The bag has 2 handy carrying handles
as well as a shoulder strap
There is one exterior pocket
and one fin pocket.
Regulator Bag
Aqualung Traveller 350
The bag, specifically manufactured to carry a regulatior,
is made of padded cordura. It has a reinforced shoulder strap
and carry handle for both drainage and ventilation. There is
an external pocket as well, which is ideal for a diver’s logbook .
Zipped, padded end-pocket and 2 outside fin pockets.
The top flap has a 2-slider zip and can be rolled up and
secured with velcro for ease of loading.
Bag bottom is reinforced with a hard plastic sheet.
Adjustable and removable shoulder strap. It has a zipped
pouch that can be worn around the waist as a hipster bag.
The bag has adjustable padded straps which can be
deployed to make a back-pack.
Full-length outside fin pocket.
The main handles can be closed together with a padded
grip, or tucked into protective pouches.
Each end of the bag has a padded handle so that 2
people can carry it simultaneously.
Suunto in Sports 49
Suunto in Sports:
Replacing luck with insight
Suunto G9 - a golfer’s dream
D
iving has been at the heart of Suunto for years. At the
same time, Suunto has developed its technology and
gained understanding about many other sports too. The
Replacing Luck philosophy has a strong input also for product
development. In order to provide a user, professional or enthusiast, Suunto goes to the core of each sport they want to be involved
in. This section shows you the sports and some of the products
Suunto has right now in its product range.
Cross Sports
In the wilderness, anything can happen. Experience alone can’t
take the place of the right equipment. Suunto sport wristops for
cross sports help you to understand more about your environment. Suunto can give you information about weather trends,
altitude, ascent or descent rate, barometric pressure, compass
bearing, slope gradient, not to mention your heart rate, during
the activity. Suunto can make your stay in the great outdoors better and, above all, safer.
stay in control.
Suunto M9 for
Marine sports
Snow Sports
If you’re a pro or just enthusiastic
about skiing, Suunto will tell you
more about the slopes, it will store
your skiing data and make you a
better skier. In the mountains’
heavily changing weather conditions, one shouldn’t rely on luck.
Different alarms will alert you at
target altitudes - for instance, your
Suunto instrument will warn you of
too rapid an ascent and it will indicate
rapid drops in pressure. As you’ll know
more about the surroundings, your performance will improve.
Suuntosports.com
Compasses
This is where the Suunto story started. Suunto’s precision instruments for boats and orienteering show how innovation and design
meet years of experience. Suunto’s compasses are known for their
reliability, durability and accuracy from the waves of the Atlantic
Ocean to the mountains of Himalaya.
Golf
Suunto G9 makes it possible for you to become a better golfer by
knowing more about your performance and the shot at hand. It
tells the distance of each shot, counts the aggregate distances for
how far you hit with each club, keeps score and stores info for
later analysis. It also lets you check the weather.
Marine
Ideal for
Cross Sports Suunto X6HR
Suunto M9 will make you sail faster and it
will make you a better sailor - you’ll know
more about the weather and what to do
next. Suunto M9 can give you the
position, the right course to the destination without getting lost and wherever you are on the boat, you can see
your speed on your wrist. It doesn’t
matter if you’re racing to the next post or
just enjoying yourself, Suunto can help you
Suuntosports.com is a free international Web community for
Suunto device users and sports enthusiasts. If offers a number of
features that help you make the most out of your sport and your
Suunto instrument.
The website lets you upload & share info from existing Suunto
Dive Manager logbooks or the dive computer itself. You can edit
and publish the uploaded info to the entire community or to specific groups.
By logging into suuntosports.com, you get the latest information
on diving trends, events and people. Share info and learn more in
the discussion forums and groups. The website allows users to
form groups for people with the same interests. So, you can create a group of all your
diving friends, and share info about your
dives, give advice and more. All groups
have a home page displaying info about
events and news, a notice board &
more. Group members can also use
group-specific bulletin boards, chats &
group calenders, add links & create
group activities.
Suunto S6 - a
skier’s dream
instrument
Notes
Notes 51
Notes

About this Guide - Thompsons Holidays

Transcription

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