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Crowcon SafEye Quasar 900

Crowcon SafEye Quasar 900 Open Path Gas Detector

The Crowcon SafEye Quasar 900 is an open path detection system. It employs “spectral fingerprint” analysis of the atmosphere using the Differential Optical Absorption Spectroscopy (DOAS) technique. With a range from 7m up to 200m the Quasar 900 detects gas hazards in extremely harsh environments where dust, fog, rain, snow or vibration can cause a high reduction of signal.

  • The main stainless steel enclosure is Exd flameproof with an integral, segregated, Exe terminal section.
  • An I.S. communicator can be connected for diagnostic/maintenance purposes.
  • Includes heated windows to eliminate condensation and icing
  • HART capability for digital communication
  • Designed to meet SIL2 per IEC61508 and FM performance approved per FM6325 and tested per EN60079-29-4.


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Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.

The Xgard range of gas detectors has been specifically designed to meet your requirements. The dangers presented by toxic and flammable gases as well as oxygen deficiency vary with each application.

Xsafe is a non-certified low cost catalytic bead type detector with 3-wire 4-20mA or mV bridge output.

*3/4 ” cable entry only available on aluminium juntion boxes.