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Spectrex SharpEye 40/40C-L4B Integrated UV/IR Flame Detector

SKU: 40/40C-L4B

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The SharpEye 40/40C-L4B Ultraviolet/Infrared (UV/IR) Flame Detector is part of the leading, next generation SharpEye 40/40 series.

Featuring fast detection in under five seconds with proven immunity to false alarms, the integrated UV and IR optical sensors detect hydrocarbon-based fuel and gas fires, ensuring flawless performance to keep a SharpEye on your safety.

Features and benefits

Integrating ultraviolet (UV) and infrared (IR) optical sensors for detection of hydrocarbon-based fuel and gas fires.

  • Fast detection under five sec
  • Proven false alarm immunity
  • Unparalleled reliability – 150,000 hours MTBF
  • Wide temperature range: -40 °F (-40 °C) to 167 °F (75 °C)
  • Worldwide and regionally certified for hazardous areas
  • Performance and reliability approved by recognizable certification bodies
  • SIL3 compatible
  • Enhanced durability backed up by with three-year warranty
  • Innovative UV and IR built-in test – continuously validating the optical integrity and the electronic circuitry
  • Multiple output options for maximum compatibility with standard infrastructures
  • Plug and play – factory calibrated for immediate use in any fire detection system
  • Universal wiring option for fast ordering process
  • Three sensitivity levels, adapting to any application
  • Heated optic for impeccable performance in challenging environmental conditions
  • Internal log event recorder to analyze past events


  • Oil and gas onshore and offshore installations and pipelines
  • Petrochemical and chemical plants
  • Storage tank farms
  • Aircraft hangars
  • Power generation facilities
  • Pharmaceutical industry
  • Printing industry
  • Warehouses
  • Automotive industry
  • Waste disposal facilities
  • Aerospace industry
  • Light industrial

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