Spectrex SharpEye 40/40U-UB UV Flame Detector


The new 40/40 UV Flame Detector detects hydrocarbon-based fuel and gas fires, invisible hydrogen flames, and fires from hydrides, ammonia, silane and other organics. The 40/40U-UB is the most durable and weather resistant UV flame detector currently on the market.


  • High Reliability – MTBF – minimum 150,000 hours
  • User Programmable via HART or RS-485
  • Heated window – for operation in harsh weather conditions(snow, ice, condensation)


The SharpEye 40/40 UV Flame Detector is a low cost solution in a durable high-speck package. Its new features include a heated window, to eliminate condensation and icing; HART capabilities, for digital communications; lower power requirements; and a compact, lighter design. Due to increased reliability, the 40/40 Series warranty period has been extended to 5 years and is SIL2 (TUV) approved to IEC 61508. The model 40/40UB includes a Built-in-Test (BIT) feature, whereas the 40/40U model does not.

Quick Specs

  • Field of View: Horizontal 100º; Vertical 95º)
  • Operating Temperature: -67ºF to +167ºF (-55ºC to +75ºC)
  • 5-year warranty

Additional information




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