Covering flammable, toxic and oxygen hazards, the Xgard range of Crowcon gas detectors features a universal junction box and replacement sensors which simply plug in. A two-year sensor is available for oxygen monitoring. For flammable gas monitoring at high temperatures, a detector with an operating range of up to 150 °C is provided. The wide range of sensors embraces four technologies. Poison-resistant pellistors detect flammable gases; electrochemical sensors cover toxic gases and oxygen; thermal conductivity sensors monitor high-volume concentrations of certain gases mixed with air or other gases; and sulphistors detect hydrogen sulphide at high temperatures and high background gas levels. The detector is provided with Atex approval in both flameproof and intrinsically safe configurations, and is also available with no certification for use in non-hazardous environments.
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