Multi-Spectrum IR And UV/Dual IR/VIS Flame Detector, 4.89 Inch Height x 6.15 Inch Width x 4.35 Inch Depth, 24 Volt DC (Nominal), 18 - 32 Volt DC (Regulated)

MFR PART #  FS20X-211-21-2
PART #  785536
Minimum 1 EACH
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The Fire Sentry FS20X is the latest generation high technology MultiSpectrum (UV/Dual IR/VIS) Fire And Flame Detector, which is part of the FSX family of advanced technology Electro-Optical Flame detectors. Based on the foundation of the highly success ful And reliable Fire Sentry SS4 detector, the Fire Sentry FS20X detector represents a quantum leap in integrating Infrared And Ultraviolet sensing technologies. The Fire Sentry FS20X is a Multi-Spectrum And UV/Dual IR/VIS fire And flame detector with a proven UV solar-blind sensor. The Fire Sentry FS20X exhibits faster false-alarm free response to fires over a wider temperature range And with a much longer detection range compared to conventional UV/IR detectors.


  • Patented WideBand IR infrared combined with ultraviolet
  • Detection range greater than 200 ft to 1 sq. ft. heptane fire
  • Patented electronic frequency analysis
  • Visible Sensor for optimum false alarm rejection
  • Selectable detection sensitivities
  • Solar bl 90 Degree full 100% cone-of-vision
  • Dual Microprocessors for reliable performance
  • Real-time clock for accurate time dating of events
  • FirePic - Up to 6 pre-fire event data storage
  • Event log - Up to 200 events with date And time stamp
  • Built-in RS-485 Bus communication
  • Built-in non-isolated 4-20 mA analog output (sink or source)
  • Alarm, fault And fire verification relays
  • Automatic optical path and electronic self-test
  • Widest operating temperature range
  • Patented electronics module for components prction with plug-in terminations for easy field installation
  • Low power consumption
  • High RFI and EMI immunity
  • Detects hydrocarbon and nonhydrocarbon fuel fires in all environmental conditions
  • Arc welding immunity, False alarm rejection for all environmtal conditions, Minimal maintenance for trouble-free operation, PC software and Interface Module (FSIM) for fault diagnostics real-time graphs (RTGs), and downloading of FirePics and event log, Suitable for a wide variety of applications

Tech Info

FM Approved, cFM For Class I, Division 1, Groups A, B, C, D; Class II, Division 1, Groups E, F, G; Class III


UNSPSC Code 46171600

Spec Sheet

Spec Sheet

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