Solutions for Nuclear measurements

Solutions for
Nuclear measurements
COMPONENTS
SYSTEMS
SERVICES
The detection and the analysis of all types of radiation are essential for
the safety and security of facilities and persons.
For nuclear operators, providers or business stakeholders having the
right tools and measurement services is the key to good decisionmaking, performance and cost optimisation in the areas of radiation
protection, waste management, process monitoring, territorial and
environmental protection…
Nuvia offers a unique
array of technologies
and services in nuclear
measuring.
COMPONENTS
EXTENSIVE PRODUCT LINE
SOLUTIONS THAT SPAN
FROM COMPONENTS
TO COMPLEX SYSTEMS,
EQUIPMENT AND SERVICES
ANALYZERS
DETECTORS
SOFTWARE
SERVICES
EQUIPMENT
& SYSTEMS
RADIATION MONITORING
DURING OPERATIONS
MODELLING STUDIES
ON-SITE SURVEYS
HEALTH PHYSICS
WASTE MANAGEMENT
RADIATION MONITORING SYSTEMS
ENVIRONMENTAL MONITORING
HOMELAND SECURITY
RADIOPROTECTION
LABORATORIES
NUCLEAR MEASUREMENT SPECIALISTS
UNIQUE VERTICAL INTEGRATION
At all stages of the facilities’ life cycle, Nuvia provides tailored measuring
solutions to nuclear operators, owners and stakeholders: components
(detectors, analyzers, software) or measurement systems incorporating
appropriate carrier equipment, conveyor equipment, GPS, control and
processing unit.
For each project, Nuvia has an exclusive work approach to meet the needs of the customer through a vertical
integration of expertise, encompassing the design, manufacturing, qualification and on-site implementation of
components or measuring systems. We are also able to provide our customers with various services related to
nuclear measurement: modelling studies, surveys, on-site measurements, nuclear measurement in operation,
management of sites and contaminated soils, radiological controls, radiation protection, maintenance and
regulatory audit.
Since all the necessary skills are grouped together within the Nuvia group, our clients have the answer to all their
measurement problems from one single provider. This reduces the number of interfaces and subcontractors
whilst benefiting from better control of risks, deadlines, quality and costs.
The components
Nuvia offers a full catalogue of highly reliable material which can be
tailored on-request, such as detectors, digital analyzers and software
(data logger & data processing). Our components are designed
and manufactured in our workshops and are the result of our R&D
processes, they have been integrated in our measuring systems.
OUR RANGE OF DETECTORS: NuDET
Plastic scintillators
High sensitivity gamma counting.
Standard sizes or custom-made on request.
Polymerization (styrene + scintillating material).
NuDET PLASTIC
NaI(Tl) Crystal Scintillators
NuNaI
OUR SOFTWARE SOLUTIONS: NuSOFT
Modelling of germanium
gamma-ray spectrometry
Software for mathematical modelling of
efficiency curves without radioactive sources:
MCNP characterisation of the detector, 3D
graphical interface to model any type of
scenes.
Spectrometry
Alpha and gamma spectrometry software for any type of detector
(germanium, NaI(Tl), CZT and silicon).
Spectrometry software for germanium detectors. Can be integrated
into complex waste measurement systems.
Our software is compatible with all the analyzers of the market and our
team of professionals can adapt it to any specific request.
Gamma spectrometry & gamma counting.
Standard sizes of the crystal (1’’ / 2’’ / 3’’), custom-made on request.
NuNaI
NaI(Tl) Probes
Gamma spectrometry & gamma counting.
Standard sizes or custom-made on request.
NaI(Tl) crystal coupled to a photomultiplier.
Alpha & alpha/beta scintillators
NuDET AB
Designed for measuring alpha & beta radiation in the unified probes.
Scintillators made of silver doped Zinc Sulfide ZnS(Ag).
Radon chambers
Designed for measuring radon concentrations:
Airborne 222Rn, or 226Ra, 222Rn in water.
Cylindrical alpha scintillation chamber for radon.
NuDET RADON
4
- Solutions for Nuclear measurements
NuSOFT GAMWIN
Airborne real-time data acquisition and data
mapping software
NuSOFT PEIVIEW
The Gamma-ray spectrometry data acquisition system incorporates algorithms for
spectra image stabilization on natural radioactive elements lines. The supporting
software provides real-time and post-mission data visualisation and processing.
The real-time multi instrument data acquisition and navigation system can support a
wide variety of PEI intelligent instruments, integrated third party detectors, as well as
necessary ancillary equipment (GPS, Radar Altimeter, Barometer, Temperature Gauge,
Video capturing, etc).
The AGRS type detectors calibration can be verified and performed using original
calibration software.
The supporting software used for survey preparation (including calibration and
conversion of map images, defining the survey area, observation lines and measuring
points), as well as express flight-path and graphical data representation.
The data extraction software allows the raw data to be quality controlled, analyzed, as
well as exported to different file formats for following processing and representation
with Geosoft Oasis-Montaj, Google Earth or other appropriate software.
5
Nuclear measurement
systems
From modelling to implementation, Nuvia uses exclusive know-how and state-of-the
art technologies in its monitoring systems dedicated to six major fields of application:
waste management, homeland security, laboratories, radiation protection, radiation
monitoring systems and environmental monitoring.
OUR RANGE OF DIGITAL ANALYZERS: NuNA
Digital analyzers
Multi-channel analyzers
Two models of DSP type digital analyzers.
> Model 8k memory channels, internal oscilloscope for
displaying input signal. Operates with graphical interface
for laboratory applications, or without it for industrial
applications.
> Model 64k memory channels, ADC 16 bits sampling
frequency of 80MHz, internal computer with Linux operation
system & a TFT screen similar to a smartphone (can work
without PC), internal oscilloscope for the visualization of
signals.
NuNa MCA2
NuNa MCB2
NIM standard analyzer (gamma-ray spectrometry, alpha
and neutronics passive) integrating a high performance
digital encoder: memory capacity 65,000 channels, a
mirco-second conversion speed. Data transfer to PC via
USB or remotely via Ethernet.
Gamma, germanium & Nal(Tl) spectrometry: 16k memory
channels, Linux embedded operating system. Data
transfer via USB or Ethernet. PHA or List acquisition
modes.
Multichannel buffer for
NuNa MCB
gamma, germanium,
Nal(Tl) spectrometric
applications: 8k memory
channels.
Digital analyzers for
scintillators (NaI(Tl),
Csl, LaBr, plastic)
Two models of analyzers suitable
for VLLW measuring station, on-site
measuring, mapping system: high
voltage, preamplifier, ADC sampling
and processing of the digital sign.
USB or Ethernet data transfer.
VERTICAL INTEGRATION, A RANGE
OF STANDARD AND TAILOR MADE
PRODUCTS
Modelling: assistance in needs identification, numerical
modelling, photon and neutron performance simulation
calculations (any type).
Design: preliminary studies, detailed or execution studies, choice
of equipment including sensors, mechanics, automation, control
command, sizing, sensor type…
Mechanics: tailor-made manufacturing in our workshops of
conveyors and structural equipment; treatment of material,
machined and welded parts, metal structures, lead or steel
shieldings and collimators, low background shielding made of
modular concrete bricks…
Automation and control-command: Assembly of pneumatic
components and control-command, system design and stateof-the-art documentation processing, 3D design, electronic
projection, PLC programming, development of control-command
specific software, visualization and data collection.
Computer developments with a dedicated team: strong
experience in acquisition systems and analysis of nuclear
measurements, expertise in many areas of development
(embedded applications, databases, protocols for data
acquisition...).
Qualification: definition of procedures, verification and
qualification of performance from TQC modelling of the system
and measures with radioactive sources.
Commissioning: appropriate factory and on-site test procedures,
unit testing and factory calibration with radioactive sources,
factory acceptance tests, site acceptance tests.
Multi-scale
modules
Fast multi-scale modules
for monitoring the neutronic
influence of reactors, scanning
fuel rods, active neutronic
measurements: 4 MCS input,
Dwell time resolution less than
a micro-second. Transfer of
data to PC via USB or Ethernet.
NuWM GAMS 02
NuNa MCB3
6
- Solutions for Nuclear measurements
7
WASTE MANAGEMENT
HOMELAND SECURITY
Nuvia systems offer solutions for all types of waste and
characterization: management of criticality, on-site storage, compliance with
transportation rules on-site and on public roads, final disposal or free release
according to the rules applicable to each country. The innovative equipment
integrated into our measurement systems enables to reach precise and
selective levels of measuring.
Nuvia systems favour geographical measuring tools for multiple
applications, such as for geological and geophysical monitoring, mapping of
polluted sites and soils, illicit trafficking of radioactive material.
The portability of our devices is extremely flexible (ground, airborne…), coherent.
Data collection/processing is highly compatible regardless of the operating
system (Windows, Android…).
Spectrometry solutions
Geolocated NaI(Tl) spectrometry solutions
Mobile systems
NuWM GAMS03
Beach monitoring
• Off-road vehicle equipped with five high performance NaI(Tl) detectors designed to survey
2 metre sand strips of 2 m wide in each sweep. The range of detection of Cs – 137 particles is
from 1E3 to 1E5 Bq under 100-200 mm of sand and 1E4/1E5 Bq in Am - 241 on surface of sand.
• Mobile mechanical systems equipped with fully steerable collimator, adjustable in height.
Various detectors can be connected to these systems that are particularly suitable for the
measurement on any type of object to characterize: drums, glove boxes, tanks, walls and floors.
• Mobile system on trailer with turntable for outdoor measurements for contaminated land
and building decommissioning (HiRAM)
Survey of large areas
• Integrated Radiation Information System. Highly integrated system, readily deployable, may be
installed on land vehicles or airplanes. Consists of advanced NaI(Tl) gamma-ray spectrometers
(up to 5, AGRS type), GPS navigation, PC OS Windows. Real time data acquisition, self-calibration
on natural radioactivity, geosoft package for visualizing real time data.
Stationary systems
• System designed for the measurement of spectrometric values of high activity waste – equipped
with rotating pedestal, weighing system (up to 600 kg) and adjustable turntable for automatic
measuring. Lead shielding automatically adjustable - 6 different heights. The germanium
detector embedded in the system may be cooled either electrically or by liquid nitrogen. The
measurable maximum activity in Co_60 is 1E8 Bq/kg.
• Automated system with an electrically-cooled germanium detector, conveyor, wireless bar
code reader, turntable, weighing system, collimator variable aperture to increase the dynamics
of counting and adjustable automatically up to 6 different heights. Lead shielding. Measured
activities: up to 1E9 Bq/kg. Automated system operated by PC. Maximum capacity: 8 drums/
hour (depending on the settings).
• Automated system with three germanium detectors cooled electrically, conveyor, turntable,
wireless bar code reader, weighing system, measuring chamber with lead shielding for optimal
low background performance and minimum MDA for very low activity waste.
Free release
• For low background measurement of boxes for “Free release into the environment” : an automated
system made up of four germanium detectors cooled electrically, conveyor, weighing system, bar
code reader, shielding for very low background made of concrete bricks (no brickwork needed)
enabling to ensure background of only nanoGy h-1 in the measuring chamber.
• Modular specific shielding made of concrete bricks of all shapes and sizes. The concrete bricks
are made with specially chosen low background materials, and offer a cost effective alternative
to the low background lead that is usually used for measuring very low activity waste whilst
ensuring the same performance in the measuring chamber (Ra-226 & Th-228 < 5 Bq/kg / K-40
< 50 Bq/kg/ Th-232 and U-238 not measurable).
8
- Solutions for Nuclear measurements
NuHLS GHV2000
Monitoring systems for difficult environments
NuWM GAMS04
NuWM MUM
• Portable monitoring system equipped with data acquisition and real time visualization module, GPS
embedded. The user interface and data acquisition system are based on Android OS and can be hosted on
any modern portable device (smart-phone, tablet, Note-book) Communication between the detector and
data logger set via Bluetooth protocol. Interface software allows real time data acquisition, self-calibration
on natural radioactivity. Visualisation on maps, possibility to record voice messages, pictures or to send SMS.
These devices can be fitted with two types of detectors:
• NaI(Tl) 3” (0.3 litres) up to 2 litres.
• Dose rate system: 2 GMT energy compensated, range 50nSv/h – 400 mSv/h)
NuHLS GHP100
Solutions for measurements of
contaminated land
NuHLS GEM
System for real-time assay of excavated materials
• The system allows positioning of an excavator bucket over a battery operated plastic
detector (200mm x 200 mm) shielded in a heavy duty frame. Capacity 400 tonnes/
day. Lead shielded detector for optimal low background performance offering MDA
ranging from 0.05 to 0.4 Bq/g with Cs-137 in ten seconds depending on the natural
background radiation. The total mass of this system is 700 kg. The measurement
result is immediately displayed at the end of count time. The illumination of a green
light indicates exempt waste, a red light indicates LLW. Count time is adjustable for
lower threshold levels.
• Automatic conveyor belt for continuous monitoring of soils and rubble.
9
LABORATORIES
RADIATION PROTECTION
Measurement systems for laboratories range from solutions for single
measurements to automated measurement systems for any type and size of sample.
We also provide software solutions for laboratory management as well as all types of
shieldings for low-level gamma spectrometry measurement systems.
NuLAB ASC100
Solutions for germanium or NaI(Tl)
gamma spectrometry
Chronos
• Anthropogammametric measurement system embedded spectrometry software with two NaI(Tl)
(3’’x5’’x16’’) crystal scintillators, two digital analyzers, and low background lead shielding. Fast
counting in minutes.
• All types of system and related shielding, controlled by Nuvia
spectrometry software.
Automatic measuring systems
Mobile measurement systems (gamma ray, NaI(Tl) spectrometry, detection of sources)
NuLAB ASC100
• Portable system with in-built GPS, operated with spectrometry and real time data acquisition
software for any type of system operated with Android (smartphone, pad, PC). NaI(Tl) detector
(different types and volumes). Transfer of spectra on USB stick.
Monitoring and control of restricted
access areas in nuclear facilities
Data management tools for nuclear measurement
• Lims (Laboratory information management system) is a comprehensive
software for laboratory management. This solution is multi-user and
is built on client server and Oracle database architecture.
• Operates with evaluation and measurement modules from any software
manufacturer.
Shielding for germanium detectors
Solutions for measuring dose rate values on
personnel and equipment
Whole body counting system for medical laboratories and nuclear facilities
For manual measurement of samples
• System with automatic sample changer. The system consists of an
automated arm operated by a PLC Siemens Simatic S7 to position
up to 50 samples on one or two lead shielded measuring chambers.
The later can be equipped with NaI(Tl) or germanium detectors. The
system can be adjusted for processing of selectable number of sample
containers and sample geometries.
Nuvia systems provide a solution for contamination screening for
both personnel and equipment at the exit of nuclear zones as well as internal
screening and irradiation and contamination mapping systems within the ALARA
principle. Our solutions aim to reduce the exposure to ionizing radiation.
IRIS
NuHP TED
A comprehensive network for hardware composed of:
• A TED system enabling to identify people and read individual dose rate meters (Thermo, MGP or RADOS)
• Local Monitors (LMU) signalling units and visualization of alarm: the system enables to interrelate
the information from all the monitoring systems such as airborne dose rate monitors or monitors
at the exit of restricted areas.
And for the software:
NuLAB BOX
• An application to record the date and time of access to restricted areas, the dosimetry measured during operations and also an
application to archive all the data and values obtained by all the radiometric and dosimetric systems.
Combines innovative modular design and simple access to the detector.
Various shielding thicknesses allowing a reduction of background
noise by a factor of 100 to 1000. Easy to set up and to transport.
10
- Solutions for Nuclear measurements
11
RADIATION MONITORING
SYSTEMS
ENVIRONMENTAL MONITORING
Nuvia systems also include continuous monitoring of processes
with high performance equipment set for specific applications.
Nuvia systems for environmental monitoring and geophysical analysis of the
soils range from airborne mobile solutions, detection technology, to fixed beacons to
measure rate doses, spectra, meteorology, …
Solutions for gamma ray
spectrometry
Solutions for continuous
automatic monitoring
Devices for noble gases activity measurement
NuRMS GEM02
• System for gammaspectrometric activity measurement of noble
gases. A sample of gas is taken every 10 minutes in a pressurized
container through a by-pass. Gases pass through a filter and active
carbon cartridge to capture iodine and aerosols before arriving in
the measuring vessel. Semiconductor detector is cooled electrically.
Average MDA is 110 Bq/m3 with Xe-133, 50 with Xe-135, 35 with Kr85m and 120 with Kr88. All measurements, pressure and temperature
information are automatically archived in a database.
Solutions for monitoring density and
concentration of liquids in pipelines
• A non intrusive NaI(Tl) system based on the analysis of the mitigation
of a source of Cesium-137 or Cobalt-60 by a fluid flowing through a
pipe. The system is composed of an outer shielding, a NaI(Tl) detector,
adjustable collimator with exchangeable front head.
Monitoring of potential steam generator leakage
• A NaI(Tl) system temperature-stabilized by a source of Am-241
positioned on the crystal allowing the measurement of high-energy
gamma rays from the decay of N16. Data processing and evaluation
are performed by spectrometric software together with advanced
autonomous evaluation SW which evaluates the steam generator
leakage in physical units l/h.
12
- Solutions for Nuclear measurements
NuRMS N16
NuEM AIRSPEC
Mobile measurement for environmental monitoring
• The airborne (fixed-wing or helicopter) gamma-ray spectrometry system can support:
- Chain of maximum 4 AGRS spectrometer assemblies providing up to 64 litres
of downward looking NaI(Tl) scintillation detectors and up to 16 litres of NaI(Tl)
detectors (for cosmic and radon correction).
· System hardware and software features:
- Real-time data acquisition synchronized by GPS location and time.
- Real-time spectra stabilization on natural radioactive elements individually for
each NaI(Tl) crystal.
- Integration with additional (original or third party) sensors and
ancillary equipment.
· Acquired data can be exported to different file formats for following
processing, visualization and interpretation using different software.
Base stations for environmental
monitoring
• GPS dose rate measuring systems connected
to scalable beacons offer the possibility to
equip the detectors with crystals NaI(Tl)
and/or plastic scintillators or even a weather
station. Distant data report is realised via
all types of transmission either secured or
not (Ethernet, GSM, DSL line, Rs-232, radio
modem, VPN, phone line …). All fixed and
mobile systems work with the same Nuvia
real-time data acquisition software and the
same tools for data processing (navigation,
visualization, calibration, export).
NuEM RAMS
13
Services
In addition to our measurement solutions
Nuvia can also provide clients with various services related to nuclear
measurement. Since all the necessary skills are grouped together within the
Nuvia group, our clients have the answer to all their measurement problems
from one single provider.
Modelling studies
Sizing of
protections
RP Management & Logistics
Radiation protection: with engineering tools (Mercurad) and Monte Carlo (MCNP).
Simple or complex modelling.
Mapping: biological dose rate, warm-up and conservation of energy.
Sizing of protections against radiations, shieldings.
Global or energy gamma and neutron transfer functions.
Detection efficiency and limit calculations.
Management of RP tool
and equipment warehouses
Calibration: radiological and contamination measurement equipment.
Rental of equipment and portable and fixed devices.
Overall management of the shops on site (Tools, RP equipment,
consumables).
Surveys
Video inspection accross restricted area access.
Sampling in hostile environment.
Radiological & physical characterisation.
DED measurement & Gamma spectrometry.
Mercurad modelling.
Surveys
On-site measurement
Germanium
detectors
maintenance
Inspection, repairs, calibration
Semiconductor detectors (germanium).
Preamplifiers, replacement of FET transistor, vacuum renewal.
Scintillation detectors (NaI(Tl), plastic scintillators...).
Electronics & spectrometry modules.
Germanium gamma-ray spectrometry: sampling, waste management.
Measurement in decommissioning sites (soils, walls…).
On-site measurement
Nuclear measurement during operations
Measurement during operations
Modelling
and dosimetry
calculations
Waste management: tracking, storage, surveillance.
Nuclear measurement: alpha & gamma spectrometry.
Radioprotection
Radiological and periodical monitoring.
Mapping.
Modelling and dosimetry calculations (Panthere).
RP interventions: optimisation, surveillance and consultancy.
Regulatory audits of sealed or non-sealed sources.
RP Maintenance & regulatory audits
Contaminated sites & soils, a comprehensive offer
A vertical integration of skills for a global management of contaminated sites in
compliance with authorities’ recommendations: 2D/3D measurement & mapping,
survey and 2D/3D data reconstruction, collection of contaminated soils, destruction of
buildings.
Geolocated 2D/3D measurements of contamination on any type of surface: fast
mapping regardless of the type of carrier (manual, motorized or airborne). Accurate and
highly sensitive in all configurations of measurement.
Real-time screening of excavated material: fast characterization (few seconds) of
radioactivity in support of clearance activities.
Measurement of the airborne radon rate in buildings, underground constructions and
contaminated sites.
Periodic control and calibration of portable devices.
Servicing, repairs, maintenance of RP measurement equipment.
Management of equipment and measurement chains as well as the related CMMS databases.
14
- Solutions for Nuclear measurements
15
From modelling up to on-site
implementation
An unparalleled range of
vertically integrated solutions
SAFETY ENGINEERING / INSPECTIONS / EXPERTISE AND CONSULTANCY / CALCULATIONS, SIZING AND JUSTIFICATION
Two equipment levels
�
�
Components
Nuclear measurement systems
A range of standard and tailor made
equipment
Exclusive applications for…
Waste management
Homeland security
� Laboratories
� Radiation protection
� Radiation monitoring systems
� Environmental monitoring
Services
Modelling studies
Surveys, on-site measurement
� Nuclear measurement during
operations
� Management of sites and
contaminated soils
� Radiological controls, radioprotection
� Maintenance and regulatory audits
�
�
�
�