Swema 3000 - Elma Instruments

Manual for Swema 3000
Version 0604 4.91
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
1
Contents
Points to note before starting
3
The different programs used in Swema 3000
4
The different probes for Swema 3000
5
Instrument Swema 3000 with air velocity sensor SWA 31
6
How to put on/off holders for the probes
7
Measuring with APF (Hot wire anemometer and pito static pipe)
8
Recomended measuring points for circular and rectangular ducts
9
Measuring with DPF (Differential pressure)
11
Measuring with AF (Flow capture)
13
Measuring with BP (Flow capture)
14
Measuring with AP (All probes)
16
Measuring with AS (All probes)
17
Measuring with ASF (Hot wire anemometer)
18
Measuring with CO (Draught probe)
20
Measuring with LOG (All probes)
21
Measuring with LOGP (All probes)
22
Measuring with SwemaTwin - Balancing of ventilation
23
Settings
24
Note Book, Log Book and File
25
Parameters
26
Swema Terminal PC-program
27
Swema MultiPoint PC-progarm
28
Technical Data
30
Guarantee conditions
35
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
2
Points to note before starting
The Swema 3000 is a multi-purpose instrument for measuring air velocities, air flows, relative humidity, temperatures and differential pressure.
Swema 3000 has a high calculation capacity, and you can store single or double measurement results in the memory. Measurement reports can easily be transfered to Windows or SwemaTerminal.
The Swema 3000 has a number of different modes, each adapted to the different measurement
you are about perform.
Swema 3000 has completely replaceable probes which are each individually calibrated.
If you have replaced a probe or connected it for the first time, the instrument always selects the
program which is standard for the connected probe. In addition, the Swema 3000 reads in the calibration and only makes available the programs which are relevant to that particular type of probe.
If you switch off the instrument and turn it on again, you will return to the program you were using.
At delivery the instrument is set to use k2-factors that is reducing the duct surface when calculating flow in APF-mode.
USB - Swema does not include any driver for USB on the delivered CD. The USB-port is used for
upgrading of the software inside Swema 3000 and for external power supply.
220v adapter can be ordered (art.nr. 764.610). For updating the program contact Swema.
RS232-cable (for Com-port) can be ordered. (Part.no. 759.030)
The PC-Program SwemaTerminal is free and can be downloaded from www.swema.se.
The PC-program SwemaMultipoint can be ordered. (Part.no. 763.710)
Swema 3000 ver. 4.96
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
3
The different programs used in Swema 3000
Choose program by pressing the MENU-KEY and move the marker to MODE with the up/down
arrow key. Press ENTER, SET or right ARROW KEY and choose program with the Up/down arrow
keys. Confirm your choice with ENTER or OK. Set the parameter for the current program in the
same way. Press EXIT to start measuring.
APF (Average Point air Flow) Measured points are taken with ENTER Average, max, min and
measured points are showed on the display. The Swema 3000 calculates the air flow in l/s or
m3/h. Enter the area as diameter, height x width or area direct. If you choose to indicate the height
and width or diameter of the duct, the Swema 3000 calculates the effective area = the actual area
times the duct factor k2 in accordance with the recommended measurement methods. The duct
factor can be turned off in the settings. Use the APF mode for measuring the flow in ducts and the
flow through certain grilles.
DPF (differential Pressure Flow). Only available with a pressure probe connected. The flow in the
measurement of pressure drop across devices is directly obtained in l/s or m3/h. You enter the kfactor, and the Swema 3000 calculates the air flow according to the formula: q = k sqrt ∆P
AF (Average Flow) Only available with SwemaFlow 2000, 125 and 65. Average Flow is calculated
during selectable measuring time and presented on the display.
BP (Back pressure) Only available with SwemaFlow 125. This mode is for measurement over devices with low pressure drop and high flows. BP mode calculates the real flow without the capture
over the device.
AP (Average Point). Measures the actual values of the connected probe. Average, max, min and
number of measure points are showed on the display. AP mode is used for measuring air velocity,
flow, temperature, moisture and pressure.
AS (Auto Sampling). The Swema 3000 automatically collects measured values at the interval set
by the time constant. Use AS mode for example if you want to measure average velocity, max,
min, temperature and standard deviation (turbulence) at a point.
ASF (Auto Sampling Flow). Same as AS, but the Swema 3000 calculates the flow in l/s or m3/h.
You enter the area as area direct. In ASF the Swema 3000 calculates the area without reduction.
Use ASF mode for example to measure the flow and air velocity in fume cupboards, intake grilles
and flat devices. ASF is not intended for measuring in ducts, and diameters and duct coefficient
are therefore omitted.
CO (Comfort). Only available with the omni directional draught probe SWA 03 connected. CO
mode measures average velocity and temperature and standard deviation over three minutes,
(period of time - selectable.) After storage and on printing out, the Swema 3000 calculates the DR
(Draught Rating). The DR indicates as a percentage how many people find the air velocity unpleasant. The DR is based on experiments conducted at the Technical University in Copenhagen,
directed by Professor Fanger. DR is included as a measure of undesirable air movements in the
ISO 7730 standard adopted for indoor climates.
LOG/LOGP Collects readings at user-selectable intervals and time constant. Use LOG/LOGP
mode to measure throughout longer time intervals (Ex: variations of air velocity and temperature
throughout a 24-hour.). LOG collects readings made at direct test points and LOGP series of
readings presented in a report as max, min, avg and the like.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
4
The different probes for Swema 3000
Hot Wire Anemometers SWA 31 or SWA 31E. Ø 8...10mm, 66 cm long, SWA 31E extendable up
to 116 cm. Measure range: air speed 0...10 m/s (option 10...30 m/s) and temperature -20...80°C.
Possible measuring programs: APF, AP, AS, ASF, LOG and LOGP.
Differential pressure SWA 07 or SWA 10. Measuring range: SWA 07 ±7000Pa, SWA 10
-100...1500Pa. SWA 10 has a built in valve that automatically zero checks the pressure. Possible
measuring programs: APF, DPF, AP, AS, LOG and LOGP.
Flow capture hoods SwemaFlow 65, 125 or 2000. Measuring range: SWF 65 2...65 l/s, SWF 125
2...125 l/s and SWF 2000 4...900 l/s. Possible measuring programs: AF, AP, AS, LOG, LOGP and
BP (only with SWF 125).
Draught probe SWA 03. Measuring range 0,05...3,0 m/s (omni directional) and 10...34°C. SWA
03 fulfils ISO 7726. Possible measuring programs: CO, AP, AS, LOG and LOGP.
Relative humidity and temperature HygroClip S, SWA 12, 13 and 16. Measuring range: All probes 0....100%RH and temperature HygroClip S -40...85°C, SWA 12 and 13 -20...60°C and SWA
16 -20....150°C. Possible measuring programs: AP, AS, LOG and LOGP.
Temperature Black globe, SWA 53, SWT 315, SWT 215 and with temperature handle SWA 25
also SWT 14, 18, 22, 28, 39, 50, 51 and 53. Measuring ranges from -50°C to 280°C depending on
probe. Possible measuring programs: AP, AS, LOG and LOGP.
Radio modem SwemaTwin transfers measured values on the reference valve from one Swema
3000 to another through radio modem or 40 meter cable. The flow relation between them is displayed, which makes adjustment according to the proportional method an easy task for just one
person.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
5
Instrument Swema 3000 with air velocity sensor SWA 31
Probe connector
RS232/SwemaTwin connector
USB connector
Battery hatch 2 x AA Batteries
SWA 31
Display
Menu-keys
Arrow Keys
Enter Key
Display light
On / Off
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
6
How to put on/off holders for the probes
Start with removing the rubber list by griping it with your fingers. Pull it up about 1 cm to the opening and pull it out.
Remove the rubber list by just pull it out. When you have removed the list put in the appropriate
holders and slide them to the wanted positions.
Now you can attach the probe.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
7
Measuring with APF (Hot wire anemometer and pito static pipe)
Possible probes with APF are: SWA 31, SWA 31E or SWA 07 or SWA 10 with pito static pipe.
MODE APF (Average Point Flow).
Swema 3000 calculates the flow in l/s, m3/h or CFM. You enter the area as diameter, height x width or area direct. If you
choose to indicate the height and width or diameter of the duct,
the Swema 3000 calculates the effective area = the actual area
less the duct coefficient k2 (see page 34) in accordance with the
recommended measurement methods. To turn off the k2, see
page 23. Use the APF mode for measuring the flow in ducts and
the flow through certain grilles.
When a pressure probe is connected the Swema 3000 calculate
the air speed with the formula:
V = sqrt (2 ∆P /ρ)
∆P= dynamic pressure =stagnation - static pressure (Pa)
ρ= density of air = 1,293 x (B x 273)/(1013 x (273 + t)) (kg/m3)
B = barometric pressure (calculated standard value 1013hPa)
t = Air temperature ºC (calculated standard value 20ºC)
Choose mode by pressing the MENU-
KEY and move the marker to ”Mode” with
Connect the air velocity or pressure probe and press ON. After a the up/down arrow key. Press ENTER or
SET and choose mode with the up/down
few seconds Swema 3000 is in measuring mode.
Choose program by pressing the MENU-KEY and move the
marker to ”Mode” with the up/down arrow key. Press ENTER or
SET and choose program with the up/down arrow key. Confirm
your choice with ENTER or OK.
arrow key. Confirm your choice with
ENTER or OK. Set the parameters and
press EXIT to start measuring.
Set the PARAMETERS for measuring mode APF:
Time constant, i.e. the damping or inertia of the instrument.
Move the marker to ”Time Constant” with the up/down arrow
key. Press ENTER or SET and choose time constant with the
up/down arrow key. Confirm your choice with ENTER or OK.
Ø set the diameter of the duct you want to measure. Move the
marker to ”Ø” with the up/down arrow key. Press ENTER or SET
and choose the diameter. Choose among standard diameters
with the up/down arrow key. To set the diameter to your choice
press EDIT and change with the arrow keys. Press ENTER or
OK to confirm.
H x W set the height and width of the duct you want to measure.
Move the marker to ”H x W” with the up/down arrow key. Press
ENTER or SET and choose height with the arrow keys. Press When measuring, collect values with the
ENTER button. When values are colENTER or OK and set the width with the arrow keys. Press EN- lected the display will show average-,
TER or OK to confirm.
maximum-, minimum-values and number
of measurements.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
8
Recomended measuring points for circular and rectangular ducts
From ”Methods for measuring air flow in ventilation systems”, by the Nordic Ventilation Group and the Building Research Council, 1998, ISBN 91-540-5827-9. For D≤400, k2 values are from NBI report Nordtest-proj. No. 1463-99.
Circular cross-section: *)
D≤ 160 mm → k2 = 0,92 (SWA 31), 0,89 (Pito Static Pipe)
160 < D ≤ 400 mm → k2 = 0,96 (SWA31), 0,95 (Pito Static Pipe)
400 < D ≤ 1250 mm → k2 = 0,98
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
9
Necessary measuring straight before and after measuring position:
According to ”Methods for measuring air flow in ventilation systems” Dh=Hydraulic diameter
Round ducts
Rectangular ducts
Before measuring position
a ≥5 x D
a ≥6 x Dh
After measuring position
a ≥2 x D
a ≥2 x Dh
Reduction of Flow When selecting a circular or rectangular
duct it is recommended to reduce the flow by a k2-factor.
(According to ”Methods for measuring air flow in ventilation
systems”) A reduction is recommended because the air
velocity is reduced close to the walls of the duct because of
friction. Set the k2-factor to on in the Settings for automatic
compensation. See Settings.
Area set the area directly. Move the marker to ”Area” with the
up/down arrow key. Press ENTER or SET and choose area
with the arrow keys. Press ENTER or OK to confirm.
Unit choose the unit you want to measure with l/s, m3/h or
CFM. See Settings.
Atmospheric pressure see Parameters
Temperature see Parameters
see Note Book
File see Note Book
When all parameters are set press the EXIT-button to get back
to measuring position. Swema 3000 will show selected area.
When all values are collected you can
choose if you want to clear or save your
measurement.
Collect values with the ENTER-button. When values are collected the display will show average-, maximum-, minimumvalues and number of measurements. When all values are
collected you can choose if you want to clear or save your
measurement.
To clear press the CLEAR-button and to save press the SAVEbutton. If you press the SAVE-button the instrument saves
your measurement at the first free memory place in the note
book memory. The instrument also give a short signal and displays the memory place for a few seconds. See Note Book.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
10
Measuring with DPF (Differential pressure)
Possible probes with DPF are: SWA 07 or SWA 10.
MODE DPF (Differential Pressure Flow).
The flow in the measurement of pressure drop across devices
is directly obtained in l/s , m3/h or CFM. (Always use a k-factor that is used to calculate in l/s. When choosing m3/h the
Swema 3000 will calculate into m3/h). You enter the k-factor,
and the Swema 3000 calculates the air flow according to the
formula:
q = k sqrt ∆P
Connect the pressure probe and press ON. After a few seconds Swema 3000 is in measuring mode.
Choose mode by pressing the MENU-KEY and move the marker to ”Mode” with the up/down arrow key. Press ENTER or
SET and choose mode with the up/down arrow key. Confirm
your choice with ENTER or OK.
Set the PARAMETERS for measuring mode DPF:
Time constant, i.e. the damping or inertia of the instrument.
Move the marker to ”Time Constant” with the up/down arrow
key. Press ENTER or SET and choose time constant with the
Up/down arrow key. Confirm your choice with ENTER or OK.
Choose mode by pressing the MENU-KEY
and move the marker to ”Mode” with the
up/down arrow key. Press ENTER or SET
and choose mode with the up/down arrow
key. Confirm your choice with ENTER or
OK. Set the parameters and press EXIT to
start measuring.
K-factor, set the K-factor you want Swema 3000 to calculate
with. In Swema 3000 you have a memory for 20 K-factors.
Move the marker to ”K Factor” with the up/down arrow key.
Press ENTER or SET and choose with the up/down arrow
keys which K-factor memory place (1-20) you want to set.
Press EDIT and edit your K-factor with the arrow keys. Confirm your choice by pressing ENTER or OK two times.
Unit choose the unit you want to measure with l/s, m3/h or
CFM. See settings.
Atmospheric pressure see Parameters
Temperature see Parameters
see Settings
see Note Book
When all parameters are set press the EXIT-button to get
back to measuring position. Swema 3000 will show selected
K-factor the pressure and the air flow.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
When measuring, collect values with the
enter button. When values are collected
the display will show average-, maximum-,
minimum-values and number of measurements.
SE-123 56 FARSTA
swema@swema.se
www.swema.com
11
Collect values with the ENTER-button. When values are collected the display will show average-, maximum-, minimumvalues and number of measurements. When all values are
collected you can choose if you want to clear or save your
measurement.
To clear press the CLEAR-button and to save press the SAVEbutton. If you press the SAVE-button the instrument saves
your measurement at the first free memory place in the note
book memory. The instrument also give a short signal and
displays the memory place for a few seconds.
When all values are collected you can
choose if you want to clear or save your
measurement.
Use the k-factor to calculate the air flow. Certain suppliers calculate the correction factor using the formula:
q = sqrt (Ik ∆P)
In such case you must enter: k
= sqrt Ik in Swema 3000.
If the supplier has not specified a k-factor, You calculate it easily if you have a pressure-drop diagram. Proceed as follows: q = k sqrt ∆P → k = q / sqrt ∆P.
Now go into the diagram for example:
∆P = 100 Pa → sqrt ∆P = sqrt 100 = 10
for Ø 100: 100Pa correspond to 50 l/s
Use the calculation for k: k= 50/10 → 5,0
So the k factor in this case was 5,0. Set this in Swema
3000 to obtain the flow in l/s, m3/h or CFM.
If the diagram does not extend to 100 Pa, select for
example 25 Pa
(sqrt 25 = 5)
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
12
Measuring with AF (Flow capture)
Possible probes with AF are: SwemaFlow 65, SwemaFlow 125 or SwemaFlow 2000.
MODE AF (Average Flow)
Average Flow is calculated during selectable measuring time
and presented on the display (time constant + selected measuring time). Connect the flow capture hood and press ON.
After a few seconds Swema 3000 is in measuring position.
Choose mode by pressing the MENU-KEY and move the marker to ”Mode” with the up/down arrow key. Press ENTER or
SET and choose mode with the up/down arrow key. Confirm
your choice with ENTER or OK.
Set the PARAMETERS for measuring mode AF:
Time constant, in AF the time constant is the waiting time
before measuring, to stabilising the flow in the flow capture.
Move the marker to ”Time Constant” with the up/down arrow
key. Press ENTER or SET and choose time constant with the
Up/down arrow key. Confirm your choice with ENTER or OK.
Measure time set the sampling time for how long you want
to take an average value. Move the marker to ”Measure time”
with the up/down arrow key. Press ENTER or SET and choo- Choose mode by pressing the MENU-KEY
and move the marker to ”Mode” with the
se time constant with the Up/down arrow key. Confirm your
up/down arrow key. Press ENTER or SET
choice with ENTER or OK.
Flow Factor For SwemaFlow 2000 and as option for SwemaFlow 125 it is possible to multiply the flow with a flow factor.
Flow factor=1.00 will not alter the flow. Warning: Changing to
anything else will alter the reading from calibarted value. This
can be used to compensate for example for leakage.
and choose mode with the up/down arrow
key. Confirm your choice with ENTER or
OK. Set the parameters and press EXIT to
start measuring.
Unit choose the unit you want to measure with l/s, m3/h or
CFM. See Settings.
Atmospheric pressure see Parameters
Temperature see Parameters
see Settings
See Note Book
File see Note book.
When all parameters are set, press EXIT to start measuring.
Start measuring with the ENTER-button (or button on SwemaFlow 125/2000). Swema 3000 will collect values and calculate
the minimum, maximum and average air flow and standard
deviation during the selected measuring time. When all values
are collected you can choose if you want to clear or save your
measurement. To clear press the CLEAR-button and to save When measuring, Start the measuring with
press the SAVE-button. If you press the SAVE-button (or long the enter button. Then you can choose if
press onn button on SwemaFlow 125/2000) the instrument
you want to clear or save your measuresaves your measurement at the first free memory place in the ment.
Note Book memory.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
13
Measuring with BP (Flow capture)
Possible probe with BP is: SwemaFlow 125
MODE BP (Back pressure)
When measuring in some ventilation systems (especially systems with low pressure drops) corrections of measured values have to be made for throttling of the systems that the air
capture does. That correction the SwemaFlow 125 can do for
you. By measuring two times with SwemaFlow 125, with and
without an extra throttleing ring. Swema 3000 calculates the
flow that reflects the true flow, with no capture interference. In
the same way as AF mode the BP mode makes an average
measurement over time.
Connect the SwemaFlow 125 and press ON. After a few seconds Swema 3000 is in measuring position.
Choose mode by pressing the MENU-KEY and move the marker to ”Mode” with the up/down arrow key. Press ENTER or
SET and choose mode with the up/down arrow key. Confirm
your choice with ENTER or OK.
Set the PARAMETERS for measuring mode BP:
Time constant, in BP the time constant is the waiting time
before measuring, to stabilising the flow in the flow capture
Move the marker to ”Time Constant” with the up/down arrow
key. Press ENTER or SET and choose time constant with the
Up/down arrow key. Confirm your choice with ENTER or OK
Choose mode by pressing the MENU-KEY
and move the marker to ”Mode” with the
up/down arrow key. Press ENTER or SET
and choose mode with the up/down arrow
key. Confirm your choice with ENTER or
OK. Set the parameters and press Exit to
start measuring.
Measure time set the sampling time for how long you want
to take an average value. Move the marker to ”Measure time”
with the up/down arrow key. Press ENTER or SET and choose time constant with the Up/down arrow key. Confirm your
choice with ENTER or OK.
Unit choose the unit you want to measure with l/s, m3/h or
CFM. See settings for more information.
Atmospheric pressure see Parameters
Temperature see Parameters
See Settings
See Note Book
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
For example. Start with the throttle ring on
and press Enter to collect the first value,
the display will show PO 1.
When ready with the first value the display
will show PO 2.
Remove the throttle ring and coolect the
second value by pressing Enter. The button on SwemaFlow 125 can also be used
as a Enter-button. A long press will save a
measurment.
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14
When all parameters are set press the EXIT-button to get back
to measuring mode.
When measuring with the throttle ring, the ring shall always be
placed after the hot wires in the sense of flow direction.
The display will show PO 1. Place the throttle ring on the
measuring unit and place the capture over the valve and press
enter.
When ”Point 1” is measured you hear a beep and the display
shows PO 2 . Within one minute you must measure ”Point 2”
without the throttle ring otherwise the instruments returns to
”Point 1”. Remove the throttle ring and place the capture over
the valve once more and press enter. It is also possible to take
the first measure without the throttle ring and the second with
the throttle ring.
The display will now show the true value and measuring point
1 & 2.
You can now choose if you want to clear or save your measurement.
To clear press the CLEAR-button and to save press the SAVEbutton. If you press the SAVE-button the instrument save your
measurement at the first free memory place in the note book
memory. The instrument also give a short signal and display
the memory place for a few seconds.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
After PO 2 is measured the diplay will
calculate the true value and show it on the
display. The display will also show point 1
& 2. Max is without the ring and min is with
the ring. Then you can choose if you want
to clear or save your measurement.
SE-123 56 FARSTA
swema@swema.se
www.swema.com
15
Measuring with AP (All probes)
Possible with all probes
MODE AP (Average Point).
Measures the actual values of the connected probe. Calculates avgerage and display Max and Min.
Connect the selected probe and press ON. After a few seconds Swema 3000 is in measuring position.
Choose mode by pressing the MENU-KEY and move the
marker to ”Mode” with the up/down arrow key. Press ENTER
or SET and choose mode with the up/down arrow key. Confirm
your choice with ENTER or OK.
Set the PARAMETERS for measuring mode AP:
Time constant, i.e. the damping or inertia of the instrument.
Move the marker to ”Time Constant” with the up/down arrow
key. Press ENTER or SET and choose time constant with the
Up/down arrow key. Confirm your choice with ENTER or OK. Choose mode by pressing the MENU-KEY
and move the marker to ”Mode” with the
up/down arrow key. Press ENTER or SET
and choose mode with the up/down arrow
key. Confirm your choice with ENTER or
OK. Set the parameters and press Exit to
start measuring.
Atmospheric pressure see Parameters
Temperature see Parameters
See Settings
See Note Book
When all parameters are set press the EXIT-button to get back
to measuring mode.
Collect values with the ENTER-button. When values are collected the display will show average-, maximum-, minimumvalues and number of measurements. When all values are
collected you can choose if you want to clear or save your
measurement.
To clear press the CLEAR-button and to save press the SAVEbutton. If you press the SAVE-button the instrument save your
measurement at the first free memory place in the note book
memory. The instrument also give a short signal and display
the memory place for a few seconds.
When measuring, collect values with the
enter button. When values are collected
the display will show average-, maximum-,
minimum-values and number of measurements.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
16
Measuring with AS (All probes)
Possible with all probes
MODE AS (Auto Sampling).
The Swema 3000 coutinuesly collects measured values at
0,5s. If the time constant is longer than 0,5s, the measured
values overlap each other. Set the time constant to 0,5s or
lower to sample at the rate of the time constant. Use AS mode
for example if you want to measure average, max, min and
standard deviation at a point.
Connect any probe and press ON. After a few seconds
Swema 3000 is in measuring mode.
Choose mode by pressing the MENU-KEY and move the
marker to ”Mode” with the up/down arrow key. Press ENTER
or SET and choose mode with the up/down arrow key. Confirm
your choice with ENTER or OK.
Set the PARAMETERS for measuring mode AS:
Time constant, i.e. the damping or inertia of the instrument.
Choose mode by pressing the MENU-KEY
In AS mode it also set the sampling speed. Move the marker and move the marker to ”Mode” with the
to ”Time Constant” with the up/down arrow key. Press ENTER up/down arrow key. Press ENTER or SET
or SET and choose time constant with the Up/down arrow key. and choose mode with the up/down arrow
key. Confirm your choice with ENTER or
Confirm your choice with ENTER or OK.
OK. Set the parameters and press Exit to
start measuring.
Atmospheric pressure see Parameters
Temperature see Parameters
See Settings
See Note Book
When all parameters are set press the EXIT-button to get back
to measuring mode.
Start and stop measuring with the ENTER-button. Swema
3000 will collect values and calculate the average. It will also
calculate standard deviation, number of measuring points and
maximum and minimum. When using a differential pressure
probe air velocity will be measured. Connect a pito static pipe.
When all values are collected you can choose if you want to
clear or save your measurement.
To clear press the CLEAR-button and to save press the SAVEbutton. If you press the SAVE-button the instrument save your
measurement at the first free memory place in the note book
memory. The instrument also gives a short signal and displays
the memory place for a few seconds.
Start and stop the sampling by pressing
Enter. When the sampling are done you
can choose if you want to clear or save
your measurement.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
17
Measuring with ASF (Hot wire anemometer)
Possible probes with ASF are: SWA 31 or SWA 31E.
MODE ASF (Auto Sampling Flow).
Same as AS, but the Swema 3000 calculates the flow in l/s,
m3/h or CFM. In ASF mode the area is not reduced. Use ASF
mode for example to measure the flow and air velocity in fume
hoods and over grilles. ASF is not intended for measuring in
ducts and diameters and duct coefficient are therefore omitted.
Connect the air velocity probe and press ON. After a few seconds Swema 3000 is in measuring mode.
Choose mode by pressing the MENU-KEY and move the
marker to ”Mode” with the up/down arrow key. Press ENTER
or SET and choose mode with the up/down arrow key. Confirm
your choice with ENTER or OK.
Set the PARAMETERS for measuring mode ASF:
Time constant, i.e. the damping or inertia of the instrument. Choose mode by pressing the MENU-KEY
In ASF mode it also set the sampling speed. Move the marker and move the marker to ”Mode” with the
to ”Time Constant” with the up/down arrow key. Press ENTER up/down arrow key. Press ENTER or SET
or SET and choose time constant with the Up/down arrow key. and choose mode with the up/down arrow
key. Confirm your choice with ENTER or
Confirm your choice with ENTER or OK.
Area set the area directly. Move the marker to ”Area” with the
up/down arrow key. Press ENTER or SET and choose area
with the arrow keys. Press ENTER or OK to confirm.
OK. Set the parameters and press Exit to
start measuring.
Unit choose the unit you want to measure with l/s, m3/h or
CFM. See Settings for more information.
Start and stop the auto sampling flow by
pressing Enter.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
18
Atmospheric pressure see Parameters
Temperature see Parameters
See Settings
See Note Book
Start and stop measuring with the ENTER-button. Swema
3000 will collect values and calculate the average air flow and
temperature. It will also calculate standard deviation, number of measuring points and maximum and minimum air flow.
When all values are collected you can choose if you want to
clear or save your measurement.
To clear press the CLEAR-button and to save press the
SAVE-button. If you press the SAVE-button the instrument
saves your measurement at the first free memory place in the
note book memory. The instrument also gives a short signal
and displays the memory place for a few seconds.
When the sampling are done you can
choose if you want to clear or save your
measurement.
Measure the total flow by gently sweeping the probe across the surface. Set the time constant as
low as possible.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
19
Measuring with CO (Draught probe)
Possible probe with CO is: SWA 03.
MODE CO (Comfort).
CO mode measures average velocity and temperature and
standard deviation. In the note book you can also view DR
(Draught Rating). DR indicates as a percentage how many
people find the draught unpleasant. DR is included as a measure of undesirable air movements in the ISO 7730 standard
adopted for indoor climates. DR is based on experiments
conducted at the Technical University in Copenhagen, directed
by Professor Fanger.
Connect the draught probe and press ON. After a few seconds
Swema 3000 is in measuring mode.
Choose mode by pressing the MENU-KEY and move the
marker to ”Mode” with the up/down arrow key. Press ENTER
or SET and choose mode with the up/down arrow key. Confirm
your choice with ENTER or OK.
Choose mode by pressing the MENU-KEY
and move the marker to ”Mode” with the
up/down arrow key. Press ENTER or SET
Time constant, In CO mode each measurment value is 0,1s and choose mode with the up/down arrow
key. Confirm your choice with ENTER or
long so in CO mode the time constant is only meaningfull to
set if you want to update the display faster than 0,5s. Move the OK. Set the parameters and press Exit to
start measuring.
Set the PARAMETERS for measuring mode CO:
marker to ”Time Constant” with the up/down arrow key. Press
ENTER or SET and choose time constant with the up/down arrow key. Confirm your choice with ENTER or OK.
Measure time here you select the length of the reading series. Swema 3000 calculate standard deviation, number of
measuring points and maximum and minimum air speed and
draught rating. ISO 7730 suggests 3 minutes.
Atmospheric pressure see Parameters
Temperature see Parameters
See Settings
See Note Book
The measurment is automatically saved in
the note book. To see the draft rate, press
the MENU-key and move the marker to
Note Book and press enter.
When all parameters are set press the EXIT-button to get back
to measuring mode.
Start the draught measurment with the ENTER-button. Swema
3000 will take measurments during the selected measuring
time and will automatically save to the first free memory place
in the note book. The instrument also gives a short signal and
displays the memory place for a few seconds.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
20
Measuring with LOG (All probes)
Possible with all probes
MODE LOG
Collects readings at user-selectable intervals and time constant. Use LOG mode to measure throughout longer time
intervals (Ex: variations of air flow and pressure throughout
24-hours.). Connect an 220V adapter if you want to log longer
time than 12 hours.
Connect any probe and press ON. After a few seconds
Swema 3000 is in measuring position.
Choose mode by pressing the MENU-KEY and move the
marker to ”Mode” with the up/down arrow key. Press ENTER
or SET and choose mode with the up/down arrow key. Confirm
your choice with ENTER or OK.
Set the PARAMETERS for measuring mode LOG:
Time constant, i.e. the damping or inertia of the instrument.
Move the marker to ”Time Constant” with the up/down arrow
key. Press ENTER or SET and choose time constant with the Choose program by pressing the MENUUp/down arrow key. Confirm your choice with ENTER or OK. KEY and move the marker to ”Mode” with
Interval set the log interval by moving the marker to ”Interval”
with the up/down arrow key. Press ENTER or SET and choose
interval with the up/down arrow key. Confirm your choice with
ENTER or OK.
the up/down arrow key. Press ENTER or
SET and choose program with the Up/down
arrow key. Confirm your choice with ENTER
or OK. Set the parameters and press Exit to
start measuring when your done.
Atmospheric pressure see Parameters
Temperature see Parameters
See Settings
See Note Book
When all parameters are set press the EXIT-button to get back
to measuring position.
Start and stop the log with the ENTER-button. After the second push on ENTER the Swema 3000 will save the collected
measurments to the first free memory place in the log book.
The instrument also gives a short signal and displays the memory place for a few seconds.
Note that together with a differential pressure probe air velocity will be measured. Connect a pito static pipe.
Start and stop the log with the ENTER-button.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
21
Measuring with LOGP (All probes)
Possible with all probes
MODE LOGP
Log series of readings presented in notes with maximum, minimum, average and the standard deviation. Each note represents one logging.
Connect any probe and press ON. After a few seconds
Swema 3000 is in measuring mode.
Choose mode by pressing the MENU-KEY and move the
marker to ”Mode” with the up/down arrow key. Press ENTER
or SET and choose mode with the up/down arrow key. Confirm
your choice with ENTER or OK.
Set the PARAMETERS for measuring mode LOGP:
Time constant, the time of each measurment value. Move the
marker to ”Time Constant” with the up/down arrow key. Press
ENTER or SET and choose time constant with the Up/down
arrow key. Confirm your choice with ENTER or OK.
Measure time here you select the length of the readings series. Swema 3000 calculate average, maximum, minimum and
standard deviation.
In this example:
Each serie is set to 3 minutes. After one serie is finished another one start immediately.
Interval here you select how often you want a reading series
to start. Set the log interval by moving the marker to ”Interval”
with the up/down arrow key. Press ENTER or SET and choose time constant with the Up/down arrow key. Confirm your
choice with ENTER or OK.
Atmospheric pressure see Parameters
Temperature see Parameters
See Settings
See Note Book
When all parameters are set press the EXIT-button to get back
to measuring mode.
Start and stop the log with the ENTER-button. Swema 3000
will log reading series and save to the first free memory place
in the log book. The instrument also give a short signal and
display the memory place for a few seconds. If you stop the
logging before the end of the first serie, no data is saved.
Start and stop the log with the ENTER-button.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
22
Measuring with SwemaTwin - Balancing of ventilation
Connect 1 modem each to 2 Swema 3000 or a long cable in between the 2 Swema 3000:s.
Always start by turning on the master first and select a mode that shows flow DPF, AF or APF.
To get the relations in % you need to have the same unit on both instruments. If you have the
4000mAh modems you also have to start them manualy.
Choose mode by pressing the MENU-KEY and move the marker to ”Mode” with the up/down arrow key. Press ENTER or SET and choose mode with the up/down arrow key. Confirm your choice
with ENTER or OK.
Set the Master - unit (The one that you will carry with you)
Check that ”Communication ” is set to RS232 in the settings menu. Choose Settings by pressing
the MENU-KEY and move the marker to ”Settings” with the up/down arrow key. Move the marker
to ”Communication” with the up/down arrow key. Press ENTER or SET and choose ”RS232” with
the up/down arrow key, confirm with Enter. Select the baud rate in the Settings menu. (Modems
are normally set to 4800 (2AsxE or 1AsxE)). Press ENTER or SET and choose ”Baud Rate” with
the up/down arrow key. Press enter and change the baud rate to 4800 with the up/down arrow
keys, confirm with Enter. In the settings menu you should also set the Swema Twin function at
”ON”. Move the marker to ”Swema Twin” with the up/down arrow key. Press ENTER or SET and
choose ”ON” with the Up/down arrow key, confirm with Enter.
Set the Slave - unit
Check that ”Communication ” is set to RS232. Choose Settings by pressing the MENU-KEY and
move the marker to ”Settings” with the up/down arrow key. Move the marker to ”Communication”
with the up/down arrow key. Press ENTER or SET and choose ”RS232” with the Up/down arrow key, confirm with Enter. Select the baud rate in the Settings menu. Press ENTER or SET and
choose ”Baud Rate” with the up/down arrow key. Press enter and change the baud rate to 4800
with the up/down arrow keys, confirm with Enter. Leave the SwemaTwin function at ”OFF”.
If you have the 4000mAh modems you also have to start them manualy.
When measuring, the master shows the flow of both the Master and the Slave. It also shows the
relation: Master in % of the reference instrument: (Master / Slave)*100%.
The relation is the same calculation regardless of what the Master instrument displays with big
digits. The relation is very handy when doing ventilation system adjustments according to the proportional method.
Balancing a ventilation system according to the Proportional method:
First decide where to place the reference instrument. The flow according to the drawing at this
place is the nominal reference flow. The other measurement points are adjusted with the Master
instrument. We call these nominal flow values from the drawing nominal Master flows.
Use projected flows from drawing. Calculate for each Master measurement point: (nominal Master
flow/nominal reference flow x %100).
These are the relations that you shall obtain when you have balanced two diffusers/inlets/outlets.
Measure with the reference instrument on the reference in/outlet and the Master instrument on the
in/outlet you want to adjust. The relation is important and not the actual flow. The final flows will occur when the final adjustment of the total flow in the ventilation system is done.
When no connection is establish between the Master and Reference instruments show ”zzz”.
Charging of modem: 1.5hours, charger is constantly lit - charging. Charger blinks - battery is charged. If the charger blinks after 0,5 hours you need to start charging once more. The battery packs
delivered by Swema supplies the Swema 3000 with power. One charge is good for 5-10 hours use
with 1800mAh battery and 10-20 hours use with 4000mAh battery.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
23
Settings
In the ”Settings” you can choose among following alternative:
Move in the menu with the up/down arrow keys. Press ENTER, SET or right arrow key to select.
Change with the up/down arrow keys.
Swema Twin
ON or OFF
Only when you us SwemaTwin, set ON at
your master unit
Communication
USB or RS232
Communicate via USB (cable 764.430) or
RS232 (cable 759.030) to your PC
Auto Zero
ON or OFF
When you have a SWA 10 pressure probe
connected you can choose automatic
zeroing when you collect values.
Unit System
SI or US
Set which units you want to use Metric
(SI) or American (US).
Add Flow
ON or OFF
If set to ON. Swema 3000 will add the
flow from each measurement in one file
and present a total flow.
Protocol
SHORT or LONG
Here you specify if you want a long or
short protocol at PC-printout.
1 Unit Decimal
0, 1, 2, 3 or 4, Select number of decimals
for the big digits
2 Unit Decimal
0, 1 or 2, Select number of decimals for
the small digits
Baud Rate
2400, 4800, 9600, 19200 or 57600
Normally 4800 for SwemaTwin, 9600 for
PC-transfer (RS232 cable).
Language
English, German, Swedish, Finnish,
French, Japanese, Danish, Norwegian,
Dutch or Polish.
Print Out
Select if you want comma or point separation at PC-print out. Excel uses either
comma or point.
K2 Factor
ON or OFF
Set ON if you want Swema 3000 to calculate with a K2-factor. See page 9
ON: Flow = air velocity * k2 * area
OFF: Flow = air velocity * area
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
Move in the menu with the up/down arrow
keys. Press Enter, Set or right arrow key to
select.
Change with the up/down arrow keys.
SE-123 56 FARSTA
swema@swema.se
www.swema.com
24
Note Book, Log Book and File
To access the Note Book or Log Book press ”Menu” key.
If you have selected one of the following modes: AP, APF, AS,
ASF, DPF or CO. You can access the ”Note Book”.
If you have selected one of the following modes: LOG or
LOGP. You can access the ”Log Book”.
To acess the measurments in the active file open Notes or Log
file by move the marker to ”Note Book” or ”Log Book” with the
arrow keys.
To see your measurements or Log files press Enter, Set or
right arrow. Browse between your measurements with the UP/
DOWN arrow keys. To transfer a note or log file to a PC just
press Print. A long press on print will transfer the complete log
book or note book.
Open your Note or Log files by moving the
For software’s see SwemaTerminal and Swema Multipoint.
marker to ”Note Book” or ”Log Book” with
Erase with the Erase-button and Exit with the Exit-button.
the arrow keys and press Enter.
If you have more than one file or if you want to start a new file.
Move the marker to ”File” with the UP/DOWN arrow keys.
To see your Log Files press Enter or Set. Browse between
your log files with the UP/DOWN arrow keys. When you have
selected the file you want to see, press Exit. Now you can see
you measurements our log files by going to the ”Note Book” or
”Log Book” as described above.
To start a new file, just press Enter while your in the Filemenu.
To transfer to a PC, just press Print while you are in the Filemenu. A long press will transfer the complete note/log book.
To erase a file, just press Erase while you are in the Filemenu.
Press Exit to leave the file menu.
Alter between your notes with UP/DOWN
arrow keys.
Example of a print out to PC.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
25
Parameters
Atmospheric pressure is used when Swema 3000 does calculations for air velocity and air flow.
Swema 3000 is available in two different models, with a built
in barometer Swema 3000d or without Swema 3000.
Swema 3000d automatically compensates for the air density
(atmospheric pressure and temperature).
In Swema 3000 the atmospheric pressure can be set manually by moving the marker to ”Atmos.P” with the up/down arrow
key. Press ENTER or SET and choose atmospheric pressure
with the up/down arrow key and alter position with left/right arrow key. Confirm your choice with ENTER or OK
Temperature is used when Swema 3000 does calculations for
air velocity and air flow.
Swema 3000 is available in two different models, with an extra
temperature thermocouple input probe Swema 3000d or without Swema 3000.
Both Swema 3000 and Swema 3000d compensates for correct temperature when a probe with a built in temperature
sensor is connected. Suchs as hot wire anemometers, flow
capture, draught probes and relative humidity and temperature probes.
Highlight the parameter you want to
change and press Enter.
When a differential pressure probe (SWA 10 or 07) is connected. Swema 3000d automatically compensates for the correct
temperature when a thermocouple probe is connected.
In Swema 3000 the temperature can be set manually when
a differential pressure probe is connected. Move the marker
to ”Temp” with the up/down arrow key. Press ENTER or SET
and choose temperature with the arrow keys and alter position
with left/right arrow key. Confirm your choice with ENTER or
OK
Change the parameter with the arrow keys
and press Enter to confirm.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
26
Swema Terminal
Swema Terminal is a freeware that can bee downloaded at www.swema.com
SwemaTerminal only works with RS232 communication, cable 759.030 between Swema 3000 - PC.
USB - Swema does not include any driver for USB on the delivered CD. The USB-port is used for upgrading of the
software inside Swema 3000 and for external power supply.
220v adapter can be ordered (art.nr. 764.610). For updating the program contact Swema.
This software reads data from Swema instruments through the serial port on the chosen COM port, sort data from
clean logs from the Swema 3000 from some sensors and makes it easy to copy and paste data into Word, Excel or
other programs.
The serial port settings must be according to the Swema 3000 manual, baud rate 9600, 1 stop bit, no parity, no flow
control and 8 data bits.
Start with setting the right COM number corresponding to the one connected to the Swema 3000. Click on ’Connected’
to open the port. Press the ’Print’ button on the Swema 3000 according to its manual. The data will be read and added
to the bottom of the text window to the left. This text can be saved, copied to the clipboard or cleared. It is also possible to open earlier saved data. The data can be edited in this window.
If the read data from the Swema 3000 is of one single sort corresponding to one single log mode and one single sensor, it is possible to sort the data for some sensors according to the choices below the left text box. The decimal sign
must be the same as the language settings in Windows that is changed in the Control Panel.
If the input data have different form, it is possible to sort the first part. Then the program gives an error but data until the
discontinuity will be sorted. Handle the sorted data, then remove the first part from the input data textbox and sort again.
After sorting the data, the user can save the sorted data with tabs (ASCII 0d09) separating the variables. The clipboard can be used. The time interval is read from the Swema 3000 and the time in days is calculated with start at
the given start time for the first reading. Time as float value is defined by Excel where the unit means 24 hours and 1
corresponds to 1900-01-01 00:00:00. By changing the cell format in Excel to time, it is possible to get the seconds but
obviously not together with the date.
Graphs can be made based on the sorted data, copied to clipboard or saved to a bitmap file. Graphs are zoomable
by holding down the left mouse button and making a window. Zoom out is made by making a window with the right
down corner first. Pan is made by holding down the right mouse button. Note that all units in tables, graphs and in the
program window is given in the standard form where the unit is divided from the quantity in the header.
The button ’Log’ in the lower left corner instructs the Swema 3000 to send the display values at the specified interval
by sending a space (ASCII 0d32). An instrument program memory update may be needed. The maximum reading
frequency is 10 Hz, that means an interval of 0.1 s.
Swema AB
Pepparvägen 27
SE-123 56 FARSTA
27
Tel: +46 8 94 00 90
Fax: +46 8 93 44 93
swema@swema.se
www.swema.com
Swema MultiPoint (Part.no. 763.710)
Swema MultiPoint can monitor and log up to 8 Swema 3000 and present it in a live graph.
See Screenshot on next page. SwemaMultipoint can only be used with Com-ports. To access more Com-ports an
USB adpater (driver is included) with 8 Com-ports is available (Part.no. 763.700). The adapter is connected to a USBport on the PC. The adapter has 8 9 pole d-sub connectors. The PC-cable (Part no. 759.030) for Swema 3000 connects to the adapter.
The Swema Multipoint Pro can be used to control the Swema 3000 to log data on the two variables showed on the
LCD of the instrument. The bigger value is called Variable 1 and the smaller value is called Variable 2. The instrument,
SwemaAir 300, may need an updated program memory. Use USB-8 com adapter (763.700) and up to 8 comport cable
s to Swema 3000 (759.030).
Firstly, set the channels that will be used and their corresponding COM port numbers. It is not possible to set the same
number for more than one channel. 8 channels are available. It can be possible to run the program twice to get 16
channels if COM ports are available.
The serial port settings must be according to the Swema 3000 manual, baud rate 9600, 1 stop bit, no parity, no flow
control and 8 data bits.
Click ’Open ports’ to open the ports. Set the interval described below. Click on ’Activate log’.
Data is logged with the time interval given in the ’Time between readings’-box. After the ’Measuring period’, the logged
data is analysed with respect to mean, standard deviation, minimum and maximum period values. Thereafter, another
log is started after ’Log interval’ counted from the former start.
Draught index is calculated based on speed and temperature. If other sensors are used, the value is calculated anyway but is only relevant if Variable 1 contains speed in m/s and Variable 2 contains temperature in °C.
Data is saved in a number of files. Set the directory for these files. There are two files, 1_all.dat and 2_all.dat that contains a matrix of time and the different channels for the two variables.
The file 1_mean.dat contains a matrix of time and channels for the analysed data and so on.
The files s1_all.dat and so on contains the channel 1 and so on data with a matrix of time and the two variables for all
logged points.
The file s1_int.dat contains channel 1 analysed data in a matrix with time and mean, standard deviation, min and max
for the two variables respectively.
All files are text files that are tab separated. If a file exists, new rows are added in the end of the file.
If the computer does not keep up with the necessary speed, try to switch off the antivirus program or switch off the
saving of all points that can be made in two steps. Next step could be to close other processes or increase the priority
of this program.
In Windows XP it is important to give priority. Press (START), right click on (My Computor), then choose properties,
choose (Advanced) then in the first part choose (Program). The other choice (Background Services) should be choosen, press (OK).
Time as a float value is defined by Excel where the unit means 24 hours and 1 corresponds to 1900-01-01 00:00:00.
By changing the cell format in Excel to time, it is possible to get the seconds but obviously not together with the date.
The input values must have decimal separator according to the language settings of Windows, changed in the Control
Panel.
Graphs are created and can be copied to Clipboard or saved as bitmap files. The number of points is set and when
the number is reached, the earliest points are erased. If too many points are present, the computer can be slowed
down.
Zooming is possible if the mouse left button is held down. Make a window from upper left to zoom in and from down
right to zoom out.
It is possible to remove channels from the graphs and by that save one graph for each channel.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
28
Swema MultiPoint
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
29
Technical Data:
Extend the probe to the desired length. Both holes
must be clear for air to pass through.
AIR VELOCITY SENSOR
(THERMISTOR)
DO NOT TOUCH THE THERMISTOR!
The sensor must be replaced if it breaks. The Swema
3000 has individually calibrated probes. For repair, it is
sufficient to send in the probe.
TEMPERATURE SENSOR
Ni 100
Check that the sensors are free of dust. Blow carefully!
Note:
Turn the arrow so that the market on the bottom part of
the telescope stem points in the same direction as the
arrow.
Do not pull on the cable when retracting the telescope
stem!
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
30
General
The uncertainty of measurement for each probe is stated below as the uncertainty for the probe
together with a calibrated Swema 3000.
That is, included in the uncertainty for each probe is the accuracy for Swema 3000, interchangeablity, calibration, temperature dependence, hysteresis and repeatability.
The user should correct the measured values with the correction on the probe calibration protocol
to obtain stated accuracy.
Swema 3000 instrument:
Instrument temperature:
0...+50°C
Memory capacity,
notebook - logbook:
approx. 1 600 notes or 14 000 pairs of
values or 20 000 singel values
Interchangeability accuracy:
Negligible in relation to accuracy of probes.
Digital Output:
RS232, send : Swema 3000 sends the displayed value
(big digits) (Transmitting rate max 4 times/second)
USB
Battery:
Battery life with SWA 31 at 1 m/s:
2 x 1,5V AA
13 hours with NiMH, 17 hours with alkaline
Use the 220V-adapter (764.610) for continuous operation.
Battery with backlight on:
5,5 hours with NiMH, 8,5 hours with alkaline
Instrument Calibration:
Recommended every 5 year
Only on Swema 3000d part no. 764.201 Barometer 600...1200hPa, ±2,5hPa
Thermo couple Type K -270...1370°C
±0,3°C at -10...70°C
Draught probe, SWA 03:
Measuring range of velocity
Measuring media
Accuracy at 23°C:
0,05...3,0 m/s at +10...+34°C
Dry and moist air, non-aggressive gases
±0,03 m/s at 0,05... 1,00 m/s
±3% read value at 1,00...3,00 m/s
±0,04 m/s at 0,05... 1,00 m/s
±4%read value at 1,00...3,00 m/s
at 10…34°C:
Response time of velocity sensor:
Measuring range of temperature:
0,2 sec.
+10...+40°C
Accuracy:
±0,3°C at 20°C
±0,5°C at 10...+40°C
Probe Calibration:
Recommended every 6 months.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
31
Air velocity probe, SWA 31:
Ø8mm at top, Ø10mm first step on telescope (handle)
Measuring media
Dry and moist air, non-aggressive gases
Measuring range of velocity
0,1...30 m/s at -10...+45°C
Accuracy
at 20°C:
0,10...1,33 m/s ±0,04 m/s
1,33...30 m/s ±3% of read value
0,10...1,10 m/s ±0,05 m/s
1,10...30 m/s ±4,5% of read value
at other:
Measuring range of temperature:
-20...+80°C
Accuracy:
±0,3°C at 20°C
±1,0°C at -20...+80°C
Probe Calibration:
Recommended every 12 months.
Pressure probe
SWA 10:
SWA 07:
Pressure range:
-300…1500Pa
±7 000 Pa
Max. overload:
±20 000 Pa
±35 000 Pa
Accuracy:
±1% read value
±1 Pa ±2% read value
Minimum 0,3Pa
After zeroing:
±0,3 Pa ±2% read value
Temperature dependence:
0,2Pa/°C
Long-term stability,
Zero point:
Full measuring range:
0,1 %FSO/year
0,1 %FSO/year
Measuring media:
Dry and moist air, nonaggressive gases
Probe Calibration:
Recommended every 12 months.
0,4 Pa/°C
Temperature SWA 25 / 53 / SWT 315 / 215 / 221:
Measuring range (probe depending):
Interchangeability accuracy:
-50...+280°C
max ±0.1°C
Probe Calibration:
Sensors:
Recommended every 24 months.
According DIN 43760 (approx. ±0.5 °C
at room temperature.)
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
32
SwemaFlow 125:
Flow measurement range:
2-125 l/s (7 - 450 m3/h)
The instrument always displays 0 when the flow is below
2 l/s (7 m3/h).
Measuring media:
Dry and moist air, non-aggressive gases
Accuracy:
ca ± 3% read value, min ± 1 l/s
Temperature range
-10...+50 °C
Accuracy:
± 0.3 °C at 20 °C
± 0.5 °C at other
Probe Calibration:
Recommended each 6:e month.
Battery:
In the Swemaflow 125 there is a rechargeble battery pack of nickel-metal-hydride type (NiMH). A
full charged battery last a normal working day. At high Air flow it may last a shorter time.
Indication when battery has to be recharged.
When the battery is nearly empty the battery symbol on the Swema 3000 blinks. When the battery is completely empty the Swema 3000 turns itself off. (When the Swema 3000 battery is nearly
empty the battery symbol is continously lit. When the battery is empty Swema 3000 turns itself off.)
Charge the battery when you want.
Use the charger that is delivered together with the SwemaFlow 125. Do not use another charger
which may be dangerous.
Connect first the charger to a wall connector and secondly to the SwemaFlow 125. A red diod is lit
on the SwemaFlow 125. If the red diod is blinking disconnect and try to connect once again. When
the battery is fully charged the diod blinks. It takes one hour to charge the battery.
If the Swema 3000 is connected when charging the SwemaFlow 125 it should be turned off.
The battery is protected by over charging and when the battery is charged, trickel charging will go
on until the battery charger is disconnected.
Charging the batteries should take place at an instrument temperature between 10 - 45°C
Pressure drop SwemaFlow 125
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
33
SwemaFlow 65:
Flow measurement range:
Measuring media
Accuracy at 18…30°C:
at 10…18, 30…40°C:
2-65 l/s (7 - 230 m3/h)
below 2 l/s the instrument displays 0. Above 65 l/s the
display blinks - then the value is uncertain.
Dry and moist air, non-aggressive gases
± 4% read value, minimum ± 1 l/s
± 6% read value, minimum ± 1 l/s
Probe Calibration:
Recommended each 6:e month.
Battery:
The Swemaflow 65 has a rechargeble nickel-metallhydrid (NiMH) battery pack.
A full charged battery last a normal working day. At high Air flow it may last a shorter time. When
the battery is nearly empty the battery symbol on the Swema 3000 blinks and the red diod on
SwemaFlow 65 is shut off. When the battery is completely empty the Swema 3000 turns itself off.
Use the charger that is delivered together with the SwemaFlow 65. Do not use another charger
which may be dangerous. It takes approx. 3 hours to charge the battery.
The battery is protected by over charging and it may also be charged before it is empty.
SwemaFlow 2000:
Flow measurement range:
4-900 l/s (15 - 3240 m3/h)
below 4 l/s the instrument displays 0.
-10...+50 °C
Dry and moist air, non-aggressive gases
± 4% read value, minimum ± 1 l/s
± 0,3°C at 20°C, ± 0.5°C at -10...+50°C
Recommended each 6:e month.
about 2 hours
Temperature range:
Measuring media:
Accuracy:
Probe Calibration:
Battery charge time:
Weight including flow capture 650x650mm: 3,9 kg
(4,3 kg including the Swema 3000)
Battery:
Same charger as for SwemaFlow 125. See page 32
Humidity and Temperature SWA 12-13 and 16 + cable and Hygroclip + cable:
Relative Humidity range:
Measuring media:
Accuracy SWA 12…13 and 16 at 23°C:
Hygroclip at 23°C:
0...100%RH
Dry and moist air, non-aggressive gases
± 1,6% at 10...90%RH others ± 2,6%RH
± 1,6% at 0...100%RH
Temperature range SWA 12…13:
SWA 16:
Hygroclip S (other models) :
-20...+60 °C
-20...+150 °C
-40…+85°C (-50…+200°C)
Accuracy temperature:
± 0,3 °C
Probe calibration:
Recommended each 12 months.
Calculations:
Dew Point and Water content (mg water / kg dry air)
The instrument shows water content on the display by g/kg
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
34
Guarantee conditions
1. SWEMA provides the original purchaser of this instrument with a guarantee covering original
defects in materials or manufacture for one (1) full year from the original delivery date. Utilization of
the guarantee for any part of the instrument does not extend the guarantee period beyond the limit
of one year from the original delivery date.
Batteries are not covered by the guarantee nor are any defects which arise out of failure to follow
the instrctions nor defects arising as a result of normal usage, wear and tear, omitted maintenance,
unsuitable storage or neglect, unauthorized tampering and repairs carried out by a technician not
recommended by SWEMA.
2. Claims under the guarantee must be made in writing before the expiration of the guarantee period.
3. Should SWEMA find the product defective as indicated and claimed for under the guarantee conditions, SWEMA has the right to choose between reparing the product free of charge or replacing it
with another product in perfect condition.
If a claim under the guarantee is made the product must be returned to SWEMA, carriage paid.
SWEMA will pay the return carriage. Goods forwarded COD will not be accepted.
4. SWEMA’s liability for defects is limited to what is stated above. Accordingly, the purchaser is not
entitled to claim compensation for direct or indirect damage or loss or submit any other claims in
consequence of defects besides those specified in the foregoing.
Swema AB
Tel: +46 8 94 00 90
Pepparvägen 27
Fax: +46 8 93 44 93
SE-123 56 FARSTA
swema@swema.se
www.swema.com
35