wrgc 2012 - latest tools
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THE LATEST DETECTION TOOLS FORLEAK / ODOR RESPONSE, CARBON
MONOXIDE AND CONFINED SPACE
ENTRY
Paul D. Wehnert
Vice PresidentSales & Marketing
Heath Consultants Incorporatedp.wehnert@heathus.com
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WALKING / MOBILE SURVEY /
PINPOINTING
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Remote Methane Leak Detector
RMLD
NonIntrinsic Safe Model Intrinsic Safe Model
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BASED ON TDLAS TECHNOLOGY Tunable Diode Laser Absorption Spectroscopy (TDLAS)
- Every gas absorbs specific wavelengths (frequencies)of light
- The RMLD laser beam emits a specific wavelength
which is absorbed by methane
- The amount of laser light absorbed is proportional tothe total amount of gas in the path of the laser beam
- Concentration is then expressed as parts-per-million-metered, or ppm-m. Concentration times plumewidth.
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TECHNICAL APPROACH
Laser light beam is remotely projected on to a target (e.g., grass, wall,etc.)
A fraction of the beam is scattered from the target surface and returnedto the source
Returned light is collected and focused onto a detector The presence of methane is encoded within the returned light Methane readings are displayed in ppm-m
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LightCollectedbyReceiver
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BENEFITS FOR EMERGENCY
RESPONSE
Ability to remotelycheck inside buildings
Ability to inspect roofvents
Ability to check
overhead piping
Wide area of inspectioncoverage
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ABILITY TO INSPECT INACCESSABLE AREAS
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FIRST RESPONDER
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GT SERIES FIRST RESPONDER TOOL
TYPEGAS RANGES
- PPM
- LEL
- VOLUME GAS
- CARBON MONOXIDE
- OXYGEN
- HYDROGEN SULFIDE
- AMBIENT AIR TESTING
- PRESSURE TESTING- BAR-HOLE TESTING
- SURFACE SAMPLING
- DATA-LOGGING
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GT SERIES OF INSTRUMENTS
FROM HEATH CONSULTANTS
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CONFINED SPACE MONITOR
Simple Operation
Audible, visual andvibration alarms
Manual Bump / Caloptions
Toxic Sensor Integrity
Li-Ion Battery ( 4hourscharging)
Datalogging as standard
Easy maintenance
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CONFINED SPACE MONITORS
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CERTIFICATION APPROVALS
CSA (UL) CLASS 1
DIV 1
GROUPS A,B,C,D
T4, CLASS 1 ZONE 1
EX ia d IIC T4
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