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Spectrex SafEye Quasar 900 Open Path Combustible Gas Detector

SKU: Quasar-900

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The SafEye Quasar 900 is part of the innovative SafEye Quasar open path gas detector series. The detector provides continuous infrared technology monitoring for combustible hydrocarbon gases at very low concentrations, up to 95 percent obscuration, featuring advanced wide area coverage with long range detection at up to 660 ft. (200 m) and high-speed response in under three seconds. The SafEye Quasar 900 ensures reliable and accurate protection to keep a SafEye on your safety.

Features and benefits

  • Detects combustible hydrocarbon gases, including alkanes (methane to hexane) and ethylene at up to 660 ft. (200 m)
  • Accurate and reliable high-speed response in under three seconds
  • Uses infrared technology
  • High false alarm immunity
  • Built-in event recorder; record of the last 256 events
  • Strengthened reliability and durability with a massive three-year warranty
  • Easy installation and maintenance
  • Heated window for operation in harsh weather conditions (snow, ice, or condensation)
  • Detection of a cloud of gas at very low concentrations, up to 95 percent obscuration
  • User programmable via HART® 7 or RS-485 Modbus®; compatible with modern user interface for ease of use
  • Certified performance/Hazardous Area approved (FM, ATEX, IECEx, CSA, and more) for location in Zone 1 areas and 3rd party performance approved (FM, DNV)
  • Approved to Safety Integrity Level 2 (SIL2 – TÜV)
  • High reliability-MTBF-minimum 100,000 hours


  • Offshore platforms and FPSOs
  • Petrochemical plants
  • Chemical
  • Gas filling and distribution terminals
  • Gas transport and pipelines
  • Large storage areas and buildings
  • Perimeter monitoring

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