Spectrex SharpEye 40/40I Triple IR (IR3) Flame Detector

Code: 40/40I
  • Flame Detector for exhaust application
  • Response Time typically 5 seconds
  • Field of view Horizontal 100º; Vertical 95º

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Spectrex SharpEye 40/40I Triple IR (IR3) Flame Detector

A flame detector that utilises improved IR3 technology to provide state-of-the-art fire protection.

It uses patented digital signal processing to analyse the spectral and dynamic characteristics of the measured infrared radiation to identify fire events in which there are high levels of CO2 with exceptional sensitivity and extreme immunity to false alarms.

All 40/40 series detectors include a heated optical window for improved performance in ice, snow, and condensation conditions. By changing the detector’s configuration parameters, detection performance can be easily adapted to all environments, applications, and requirements. Adjusting these parameters and performing other maintenance and monitoring tasks is possible using RS-485-based Modbus communication or HART communication (in models with 0–20mA output).


  • Multi-Spectrum Design – for short-distance detection with high false alarm immunity against hot CO2 sources
  • Specifically designed to mitigate false alarms with high levels of extremely hot exhaust fumes
  • Automatic and Manual Built-In-Test (BIT) – to assure continued reliable operation
  • Heated Window – for operation in harsh weather conditions (snow, ice, condensation)
  • Multiple Output Options for maximum flexibility and compatibility
    • Relays (3) for Alarm, Fault and Auxiliary
    • 0-20mA (stepped)
    • HART Protocol for maintenance and asset management
    • RS-485, Modbus Compatible
  • High Reliability – MTBF – minimum 150,000 hours
  • Approved to Safety Integrity Level 2 (SIL2 – TUV)
  • User Programmable via HART or RS-485
  • 5-year warranty
  • Aluminium housing, Stainless Steel option
  • Hazardous area zones:
    • Zones 1 & 2 with IIC gas group vapours present
    • Zones 21 & 22 with IIIC dust type present
  • Ex approved to:
    • FM/FMC
  • 3rd party Performance Tested
    • FM3260


  • Offshore/Onshore Oil & Gas installations and pipelines
  • Chemical plants
  • Petrochemicals plants
  • Storage Tank farms
  • Aircraft hangars
  • Power Generation facilities
  • Pharmaceutical Industry
  • Printing Industry
  • Warehouses
  • Automotive
  • Explosives & Munitions
  • Waste Disposal facilities


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777670 40/40 Duct Mount, Stainless steel
777163 40/40 Weather Cover, Stainless steel
777166 40/40 Cone Viewer ( laser aimers (2x) not included)
777263 40/40 Weather Cover, ABS Plastic
777563 40/40 FOV field of view limiter, stainless steel
777650 40/40 Air Shield, Stainless steel
789260-1 Pole Mount(U-BOLT) – 3″, Stainless steel
789260-2 Pole Mount(U-BOLT) – 2″, Stainless steel
789260-3 Pole Mount (U-BOLT) – 4″, Stainless steel
794079 USB/RS485 Converter Kit
888810 HART Hand Held Diagnostics Unit (ATEX IS)

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Title Size
40-40I Datasheet 227 KB
40-40H Datasheet 649 KB

Additional information

Weight 0.09 kg