40/40 I Flame DetectorThe 20/20U (&UB) UV Flame Detector responds to high energy UV radiation emitted by fires and by explosions at the point of ignition. Detects hydrocarbon-based fuel and gas fires, invisible hydrogen flames, hydride, ammonia, silane and other inorganic fuel fires.

The UV sensor incorporates a special logic circuit that helps prevent false alarms caused by solar radiation.

Note: This type of detector should not be exposed to UV radiation sources such as welding, sparks, and electric arcs as it will cause false alarms.


  • UVSpectrumDesign
  • Typical3secondResponse
  • UserProgrammableConfiguration
  • AutomaticandManualBuilt-InTest(BIT)-UB
  • Standard4-wireConnection
  • 4-20mAsource(3-4wires)configuration
  • MTBFMinimum100,000Hours
  • 3-YearWarranty






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