Category : Environmental measurement, test and control equipment > Gas analyzers, detectors & mixers

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General features of OptoSniff based systems are

Continuous, multipoint, monitoring of single or multiple gas concentrations over the same optical fibre sensing network
Single unit measures from 100% down to LEL gas concentration levels without poisoning (a key drawback of pellistor sensors)
Detection method is self-referencing eliminating zero point drift and the requirement for re-calibration (a particular problem with infra-red gas analysers)
Constant output data is available at a conveniently sited central control unit for alarm notification, gas reporting, analysis, remote access from PC, onward transmission, etc
System uniquely tuned to gases of interest with no cross-sensitivity to other gases (another particular disadvantage of infra-red gas analysers)
Measurement method is independent of optical power variations (a further drawback of infra-red gas analysers)
System designed to operate reliably even up to 90% optical power loss at sensing cell
Low power, all optical measurement ensures intrinsic safety and immunity to electromagnetic interference at the measurement point
Sensor units have been designed to operate reliably and have been thoroughly tested in the hot (up to 40°C), humid (up to 90% humidity, non-condensing), and harsh (CH4, H2S, etc) environment experienced down in-waste wells in landfill sites.
Potential unlimited expansion of number of sensing points through use of optical switches
Current system has been applied to monitor methane, carbon dioxide & water vapour but the system can be designed to measure other gases (please contact OptoSci to discuss your application)

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