Home Flame Detection Spectrex SharpEye 40/40D-L4B Ultra Fast UV/IR Flame Detector

Spectrex SharpEye 40/40D-L4B Ultra Fast UV/IR Flame Detector

Part Number: 40/40D-L4B

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The SharpEye 40/40D-L4B UV/IR flame detector is part of the leading, next generation SharpEye 40/40 series.

Detects flames with a large variety of hazardous sources, such as hydrocarbon-based fuel and gas fires.

Featuring ultra-fast detection in 20 msec with proven immunity to false alarms, integrating UV and IR optical sensors to ensure 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.

  • 20 msec ultra fast detection
  • Proven false alarm immunity
  • Unparalleled reliability – 150,000 hours MTBF
  • Best in class temperature range: -76 °F (-60 °C) to 185 °F (85 °C)
  • Worldwide and regionally certified for hazardous areas
  • Performance and reliability approved by recognizable certification bodies
  • SIL3 compatible
  • Enhanced durability backed up with five-year warranty
  • Smart field of view integrity test, allowing flawless operation
  • Innovative UV & 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
  • Two mode heated optics for impeccable performance in challenging environmental conditions
  • Internal log event recorder to analyze past events


  • Oil & gas onshore and offshore installations and pipelines
  • Chemical and petrochemical plants
  • Storage tank farms
  • Fuel and gas processing and storage facilities
  • Power generation
  • Explosives and munitions
  • Fertilizer plants
  • Automotive industry
  • Vehicle battery charging stations
  • Hydroxyl production and storage
  • Aerospace industry
  • Waste management facilities
  • Pharmaceutical industry
  • Printing
  • Hazardous materials storage areas
  • Food processing

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