Honeywell Fire Sentry FS24X IR3 Flame Detector

Code: FS24X
  • QuadBand  (IR/IR/IR/Visible) flame detector
  • 110° or 90° field of view
  • Optical path and electric self-testing

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The Honeywell FS24X is a Multi-Spectrum Triple IR flame detector using patented WideBand IR, WideBand 4.3 micron IR, and Visible detection technology. Sophisticated software algorithms and dual microprocessors ensure the highest fire detection performance and optimal false alarm rejection.

There are two housing choices: Copper-Free Aluminum or 316 Stainless Steel housing. Kit versions include a HART module.

The detection range is over 60 m (200 feet)  (very high sensitivity setting)  for detecting a one-square-foot Heptane reference fire. It has a vision cone with far greater volumetric coverage than any other Multi-Spectrum IR detector, meaning fewer detectors are needed. A user can switch sensitivity as required, high 150 feet, medium 100 feet and low 50 feet—ideal for all types of fire, hydrocarbon and non-hydrocarbon fires. Wideband IR sensors will still detect fire even if the signal is blocked by glass; however, reaction time will be increased.

There are two housing choices: Copper-Free Aluminum or 316 Stainless Steel housing. Kit versions include a HART module.

An SM4 Stainless Steel Swivel mounting assembly is required with each flame detector.

  • Communications choose between RS-485 Modbus & RS-485 FireBus II
  • Optional HART excludes EN54-10 units
  • The software interface provides graphics, real-time data, diagnostics, download FirePic & event log, flash memory
  • Logs, time and date stamped
  • Test lamps available for manual testing
  • Visual indicators: green is power, red alarm & yellow fault for false alarm rejection
  • Humidity range: 5 to 98% relative humidity, non-condensing
  • Analogue output 0 – 20 mA stepped-source or sink user-selectable
  • Output relays: Alarm, Fault and Fire
  • Dual Microprocessors, master for digital sampling and signal processing, slave for data acquisition, communications & diagnostics
  • Two ¾” NPT or 25mm conduit entries
  • Power 24 volt DC, low power consumption
  • Resistant to RFI & EMI
  • Ingress Protection IP66
  • Approvals FM, cFM, IECEx, ATEX, CU-TR, EN54-10, Dash 5 and SIL 2 complaint

Order Information

FS24X-211 Series with 110° field of view, standard temp range -40° to 85°C

FS24X-211-21-1 Copper-Free Aluminum Encl., (2) ¾” NPT entries FM, cFM, IECEx & ATEX approved
FS24X-211-22-1 316 Stainless Steel Encl., (2) ¾” NPT entries FM, cFM, IECEx & ATEX approved
FS24X-211-23-1 Copper-Free Aluminum Encl., (2) M25 entries FM, cFM, IECEx & ATEX approved
FS24X-211-24-1 316 Stainless Steel Encl. (2) M25 entries FM, cFM, IECEx & ATEX approved
FS24X-211-23-8 Copper-Free Aluminum Encl., (2) M25 entries. CU-TR approval, T5 ( Op. Temp -60° to 75°C )
FS24X-211-24-8 316 Stainless Steel Encl. (2) M25 entries, CU-TR approval, T5 ( Op. Temp – 60° to 75°C )

Kit Versions 

FS24X-211-21-1 FS24X-211-21-1 Copper-Free Aluminum Encl., (2) ¾” NPT entries FM, cFM, IECEx & ATEX approved with HART
FS24X-211-22-1 FS24X-211-22-1 316 Stainless Steel Encl., (2) ¾” NPT entries FM, cFM, IECEx & ATEX approved with HART
FS24X-212-23-1 FS24X-211-23-1 Copper-Free Aluminum Encl., (2) M25 entries FM, cFM, IECEx & ATEX approved with HART
FS24X-212-24-1 FS24X-211-24-1 316 Stainless Steel Encl. (2) M25 entries FM, cFM, IECEx & ATEX approved with HART
FS24X-212-23-8 FS24X-211-23-1 Copper-Free Aluminum Encl., (2) M25 entries, CU-TR approval, T5 (Op. Temp -60° to 75°C ) with HART
FS24X-212-24-8 FS24X-211-24-1 316 Stainless Steel Encl. (2) M25 entries, CU-TR approval, T5 ( Op. Temp -60° to 75°C ) with HART

FS24X-911 Series with 90° field of view, standard temp range -60° to 85°C

FS24X-911-21-1 Copper-Free Aluminum Encl., (2) ¾” NPT entries FM, cFM, IECEx & ATEX approved
FS24X-911-22-1 316 Stainless Steel Encl., (2) ¾” NPT entries FM, cFM, IECEx & ATEX approved
FS24X-911-23-1 Copper-Free Aluminum Encl., (2) M25 entries FM, cFM, IECEx & ATEX approved
FS24X-911-24-1 316 Stainless Steel Encl. (2) M25 entries FM, cFM, IECEx & ATEX approved
FS24X-911-23-8 Copper-Free Aluminum Encl., (2) M25 entries, CU-TR approval, T5 ( Op. Temp -60° to 75°C )
FS24X-911-24-8 316 Stainless Steel Encl. (2) M25 entries, CU-TR approval, T5 ( Op. Temp -60° to 75°C )
FS24X-911-21-6 Copper-Free Aluminum Encl., (2) ¾” NPT entries FM, cFM, IECEx, ATEX and EN54-10 approved
FS24X-911-22-6 316 Stainless Steel Encl., (2) ¾” NPT entries FM, cFM, IECEx, ATEX and EN54-10 approved
FS24X-911-23-6 Copper-Free Aluminum Encl., (2) M25 entries FM, cFM, IECEx, ATEX and EN54-10 approved
FS24X-911-24-6 316 Stainless Steel Encl. (2) M25 entries FM, cFM, IECEx, ATEX and EN54- 10 approved
FS24X-911-21-5 Copper-Free Aluminum Encl., (2) ¾” NPT entries FM, dash 5, cFM, IECEx & ATEX approved
FS24X-911-22-5 316 Stainless Steel Encl., (2) ¾” NPT entries FM, dash 5,cFM, IECEx & ATEX approved
FS24X-911-23-5 Copper-Free Aluminum Encl., (2) M25 entries FM,dash 5, cFM, IECEx & ATEX approved
FS24X-911-24-5 316 Stainless Steel Encl. (2) M25 entries FM, dash 5, cFM, IECEx & ATEX approved

Kit Versions 

FS24X-911-21-1 FS24X-911-21-1 Copper-Free Aluminum Encl., (2) ¾” NPT entries FM, cFM, IECEx & ATEX approved with HART
FS24X-911-22-1 FS24X-911-22-1 316 Stainless Steel Encl., (2) ¾” NPT entries FM, cFM, IECEx & ATEX approved with HART
FS24X-912-23-1 FS24X-911-23-1 Copper-Free Aluminum Encl., (2) M25 entries FM, cFM, IECEx & ATEX approved with HART
FS24X-912-24-1 FS24X-911-24-1 316 Stainless Steel Encl. (2) M25 entries FM, cFM, IECEx & ATEX approved with HART
FS24X-912-23-5 FS24X-911-23-1 Copper-Free Aluminum Encl., (2) M25 entries FM, dash 5, cFM, dash 5, IECEx & ATEX approved with HART
FS24X-912-24-5 FS24X-911-24-1 316 Stainless Steel Encl. (2) M25 entries FM, dash 5, cFM, dash 5, IECEx & ATEX approved with HART
FS24X-912-23-8 FS24X-911-23-1 Copper-Free Aluminum Encl., (2) M25 entries, CU-TR approval, T5 ( Op. Temp -60° to 75°C ) with HART
FS24X-912-24-8 FS24X-911-24-1 316 Stainless Steel Encl. (2) M25 entries, CU-TR approval, T5 ( Op. Temp -60° to 75°) with HART

Accessories

SM4 Stainless Steel Swivel mounting assembly for FS24X, FS20X, SS4, SS2 detectors
PSU-12 Universal charger for Fire Sentry Test Lamps and Interface Kits. For 110-240 VAC with international plugs
TL-2055 IR Test lamp for testing FSX detectors, explosion-proof version. Incl universal charger
TL-1055 IR Test lamp for testing FSX detectors, non-explosion proof version. Incl universal charger
SH-001 Sunshield for SS2, SS4 & FS24X Detectors, 316 Stainless Steel
FSX-A001 FSX Interface Kit with Interface Module, RS485 Cable, USB Cable, Power Adapter and Windows PC Software
FSX-A002 FSX Interface Module with RS485 Cable
FSX-A014R Optional Registered HART Module for FS24X Detectors

Spare Parts

FS24X-211-10 Use FS24X-911-10 (below)
FS24X-911-10 Replacement Electronics Module for 911 and 211 Series standard temperature range detector
FS24X-911-10-6 Replacement Electronics Module for 911 (90° FoV)Series standard temperature range detector. EN54-10.
FS24X-212-10 Use FS24X-912-10 (below)
FS24X-912-10 Electronics Module with Registered HART Communication for 911 and 211 series.
FS24X-912-10 -5 Electronics Module with Registered HART Communication for 911 and 211 series, dash 5
FSX-A006 Replacement IR Bulb for TL1055 and TL2055

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Title Size
FS24X Brochure 273 KB
FS24X HART User Guide V12 MAN0960 524 KB
FS24X Operating Manual 2 MB
Fire Sentry Accessories_brochure 423 KB
FS24X Rationalised 107 KB
Product Notice - FS24X EOL Notice Reminder 141 KB

Additional information

Weight 0.09 kg