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Laboratory Impex Systems Ltd
A Brief Update
Jeff Sawyer
September, 2012 HPIC Los Alamos, NM
Laboratory Impex Systems (LIS)
• Specialize in the design and manufacture and supply of
health physics, radiation protection, and process
instrumentation / systems
– Stand alone monitors (alpha-beta aerosols, liquids, various gases,
dose rate)
– Installed systems
– Stack sampling and stack monitoring
– and stack flow measurement
– Software for compliance monitoring
• Established in 1976
Continuous Monitoring Stations
CMS 2
Area Gamma Monitor
SmartCAM
Alpha/Beta in Air Monitor
Some More News
• SmartCAM AB+ passed seismic testing
• The Testing was carried out at the Earthquake Engineering
Laboratory at Bristol University.
• Used a tri-axial vibratory shaker table testing, in accordance
with IEEE Std 344-2004, IEEEE Recommended Practice for
Seismic Qualification of Class 1E Equipment for Nuclear
Power Generating Stations. Testing was carried out in three
mutually perpendicular test axes in accordance with IEEE Std
344-2004, Para 8.1.5.2
CMS-GAMMA Area Monitor
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Backlit LCD with text and graphics
One or Two Detectors
GM Detectors can be 1,000 meters away
Can use UDI – Universal Detector Interface
Variety of Detector Types and Ranges
Battery Back up
RS-485 or Ethernet communications
Relays and two analog outputs
Stainless Steel Construction
Data accessible via standard Web browser
GM Detector Ranges
• Standard GM Detectors
– GDI RANGE (Integrated Electronics, No UDI
Required)
– GDI-1304 0.01 rem/h – 1,000 rem/h
– GDI-1314 1 mrem/h – 300 rem/h
– GDI-1324 0.01 mrem/h – 10 rem/h
– GDI-1202 0.01 mrem/h – 4 rem/h
– GDI-1301 0.01 rad/h – 1,000 rad/h
– GDI-1313 0.001 rad/h – 300 rad/h
– GDI-1321 0.3 mrad/h – 10 rad/h
• Other Detectors and Ranges Available!
• UDI used for other detector types
Ion Chamber
• ICI-1 Ion Chamber Interface
– Current to TTL frequency
converter
• ICD-1 Ion Chamber
– Pressurized Chamber
– 5 mR/h to 5,000 R/h
• 137Cs live-zero source
– 4 µCi or 148 kBq
• <10 m cable length
Hot Cell Monitor HC833
• Simple, panel mount high range monitor
• Several different detectors
– Up to 1,000 R/h
• Analog, log scale
• Simple Alarms
• Relay Outputs
• Stainless steel housing
Rack-mount Monitoring Systems
• 19” rack mount
• Complete dose rate or
particulate monitoring solution
• Network using RS-485 or
Ethernet
• Key switch and password
protected
• Simple LCD text display
• Remote light panels and
audible annunciation
Noble Gas and Radioiodine
• Standard Skids
• Particulate detector or prefilter
• 2-inches of lead shielding
• 4π lead shield arrangement
• Electronics can mount on skid
or remotely
• RS-485 or Ethernet
• Interface to 9205EMS Data
Management System
• Various types of vacuum
pumps available
SmartCAM Continuous Air Monitor
Alpha Beta CAM
• Alpha spectrum analysis
with peak fitting algorithm
used in differential spectrum
• Temperature and pressure
spectrum stabilization
(Patented)
• Detachable head assembly
for remote monitoring
• Gamma dose-rate sensor
(option)
SmartCAM Display
• Easy to use, easy to navigate,
touch screen display
• Continuous Display of
– Concentration (i.e. DAC)
by Nuclide
– Dose (i.e. DAC-h) by
Nuclide
– Sample Flow
– Integrated Sample Volume
– Temperature
– Dose Rate (optional)
– Pressure
Recent Design Changes
• Upgraded to a more flexible detector cable
– Now using a more rugged, easier to use
connector
• Added ModBus support (allows ProfiBus)
• NRTL tested to UL 61010-1/CSA-C22.2 No. 61010-1
Second Edition: Electrical Equipment for
Measurement Control and laboratory Use
– For more information, see
:http://ulstandardsinfonet.ul.com/scopes/scope
s.asp?fn=61010-1.html
• 47-mm filter in addition to standard cards
Stack Monitor for Positrons
• Used for compliance monitoring
• Direct measurement of positron
activity
• Simple interface for Daily, Weekly,
Monthly, and Annual Releases
• Used with air injection pumps
Vacuum Pumps
• Rotary vane pump
– Rebuild “annually”
• Air injection pump
– No moving parts
– Quieter and cooler
– Compressed air required
– About 80 psi and 1 cfm
LIS Cyclotron Installations
Seattle
Kennewick
Minneapolis
Rochester
Chicago
Detroit
Hartford
East Rutherford
Cleveland
Columbia
St Louis
Sacramento
Charlottesville
Las Vegas
Los Angeles
Winston Salem
San Diego
Little Rock
Phoenix
Lubbock
Dallas
Boston
Philadelphia
New Haven
Beltsville
Baltimore
Denver
Albuquerque
Albany
Memphis
Birmingham
Knoxville
Atlanta
Augusta
Orlando
Tampa
Fort Lauderdale
Alarm and Data Management System –
9205EMS
• 9205 – Generic Network Software Package
• Supports multiple communications
protocols
• Real Time Display of Measured Values
• Generates and Logs Alarms
• Accumulates Stack Discharge (Daily,
Weekly, Monthly, Annual)
• Database of results (History)
• Automated Reports in Word format
Stack Flow Measurement
• Pitot tube averages flow across duct
– Stainless steel
– Proper placement important
• DP-2001 Differential Pressure
– Calibrated for correct pressure range
• 4 to 20 mA Signal to CMS-Pet
– Standard Ethernet cable used
Stack Sampling Systems
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Shrouded probes (1” and 1.5”)
Meet ANSI N13.1-1999
Licensed by Texas A&M
NQA-1 Quality Assurance
Seismic analysis performed
Design capability for new
applications
• Gas sampling probes
• Various mounting flanges used
System Use With Air Cannons
• Flow rates cannot be accurately measured after the air
cannon because of turbulence
• Measuring the concentration prior to the air cannon offers
better statistics for lower concentrations
• Software can add in the additional air allowing it to report
proper release concentration results
• Monitoring before the air cannon allows proper
measurement and reporting of activity releases
Questions?
• Jeff Sawyer
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Sales Manager, North America
Cellular: 920-889-2983
[email protected]
www.labimpex.com

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