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PointWatch (PIR9400) IR Gas Detector

Electrochemical, metal oxide semiconductor and catalytic gas detectors create a reliable first line of defence against hazardous gases.

The PIR9400 fixed gas detector continues to deliver reliable hydrocarbon gas detection and the lowest cost of ownership in virtually all LEL detection applications




Immunity to poisons such as silicone and hydrides, and the ability to perform under harsh conditions.

  • Automatic fault and fouled optic indications.
  • FM, CSA, CE mark and ATEX approvals.
  • 5 Year Warranty.
  • Complete line of accessories.


  • Requires no routine calibration to ensure proper operation.
  • Continuous self-test automatically indicates a fault or fouled optics condition.
  • Unique multi-layered filtering system protects optics from dirt and water ingress.
  • Standard 4–20 mA output (current source)
  • Compact, lightweight, explosion-proof housing is designed for duty in harsh environments.
  • Standard 0 to 100% LFL detection range.


  • Internal heating system minimizes condensation, allowing reliable operation through temperature extremes.
  • There are no known poisons, e.g. silicones or hydrides, that compromise the integrity of the measurement.
  • Performs well in the presence of high concentrations or constant background levels of hydrocarbons, and in oxygen depleted atmospheres.
  • Compliance to ANSI/ISA 12.13.01-2000 performance standard.



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