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January 19, 2011

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Gas detection – Crowcon IRmax

Crowcon describes its new IRmax as an ultra-compact infrared (IR) gas detector, which delivers rapid, fail-safe detection of hydrocarbon gases with very low power consumption. Far smaller and lighter than comparable IR detectors, the IRmax is easy to install in even the most inaccessible locations.

Said to feature dual-wavelength IR sensor technology in a rugged 316 stainless steel package, IRmax is designed to operate in the harshest conditions in temperatures ranging from -40°C to +75°C. Unlike conventional IR gas detectors, IRmax features STAY-CLIR optical components, which are treated with a coating said to prevent faults due to condensation.

Crowcon adds that IRmax detectors require smaller and lower-cost power supplies and battery back-up systems. Furthermore, a T90 response time of just four seconds is possible because of the unit’s combination of a compact diffusion gas chamber and effective weatherproof cap. IRmax is, says Crowcon, ATEX and IECEx-certified for use in Zone 1 and 2 hazardous areas.

More details are available at

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