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IR gas detector
July 1st 2009

Crowcon's new IREX infrared (IR) flammable gas detector is designed to replace pellistor (catalytic bead) type flammable gas detectors, resulting in faster response times and reduced zero drift. Capable of detecting methane, butane, propane and many other hydrocarbons, IREX is specifically designed for the oil, gas and petrochemical industries.

Pellistor and some other IR type gas detectors are fitted with sinters (flame arrestors) to achieve Exd flameproof certification. Crowcon says sinters slow response time and can become blocked by contaminants. Using an IREX detector results in a T90 response time of less than seven seconds, comparable with the most expensive conventional IR gas detectors.

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