New toxic gas tools

March 2008 Maintenance, Test & Measurement, Calibration

RAE Systems, a provider of rapidly deployable sensor networks that enable customers to identify safety and security threats in realtime, has introduced the ToxiRAE 3 family of single-gas monitors and the AutoRAE Lite bump test and calibration station. ToxiRAE 3 features a stainless-steel front cover to withstand harsh environments and is currently available in three models: hydrogen sulphide and high- and low-range carbon monoxide. These toxic-gas monitors carry US, Canada, EU and global IECEX safety certificates for use in hazardous environments in the global oil, gas production, refining, steel and first responder markets.

"The ToxiRAE 3 joins RAE System's other gas monitoring products in providing real results in realtime by offering the fastest instrument response time in a single gas monitor," said Lisa Mork, director of marketing for RAE Systems. "The ToxiRAE 3 also has a rugged stainless-steel cover for use in dirty industrial environments."

"The AutoRAE Lite bump test and calibration station work together with the ToxiRAE 3 to quickly and easily check for proper alarm levels and to calibrate as required," said Thomas Negre, director of instrumentation products for RAE Systems. "The AutoRAE Lite will also be a favourite product for large corporate users who want to keep records of all calibration and alarm data."

All three monitors have end-user configurable operating-modes as either operating days remaining or gas concentration display mode. The detectors all feature multiphase alarms (vibration, 95 dB siren and flashing light) for short term exposure limit (STEL), time weighted average (TWA) exposure and high/low alarms. The unit is designed to be used continuously in environments with temperatures ranging from -20 to +60°C and has an IP67 waterproof rating.

The hydrogen sulphide monitor has a measurement range of 0,1 to 100 parts per million (ppm). The carbon monoxide units are available in measurement ranges of either 0 to 500 or 0 to 1999 ppm. All three products can store up to 10 alarm events for later reference. The US/Canada intrinsic safety certification covers operating zones C1D1 Groups A, B, C, D and T4. The EU certification is for ATEX II 1G EEX ia T4.

The bump test and calibration station is small enough to be installed where necessary and provides a fast, 12-second bump test or a full calibration in two minutes.

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