Honeywell FS20X Flame Detector

Code: FS20X
  • User selection outputs
  • Optimal false alarm rejection
  • Suitable for fires in all environmental conditions
  • RFI and EMI resistance
  • Low maintenance
  • Power 24 volt DC

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The Honeywell Analytics FS20X Flame Detector is a Dual IR/ UV/VIS Multi-Spectrum Flame Detector deploying a UV solar-blind sensor. The FS20X gives fast response without false alarms over a broad temperature spread and has a detection range over 60 meters (200 feet). Designed to be used in all types of industrial fires, suitable for hydrocarbon and non-hydrocarbon fuel fires.  If the UV signal is impaired by smoke or lens dirt, the sensitivity will be reduced but the unit will still alarm.

FS20X Flame Detector is only available as a 90-degree field view. Standard temperature range is 40° to 85°C. There is a choice of copper-free aluminium or stainless steel enclosures, and approvals needed dependent on application and country. FS20X-212 kit versions are available which include FSX-A014R Optional Registered HART Module factory installed.

For communication, the operator can select between RS-485, Modbus Protocol and RS-485, FireBus II.  Communications options available include RS485 special,  HART – not available on EN54-10 units and a software interface providing diagnostics, real-time graphical viewing and downloading of data.

An SM4 Stainless Steel Swivel mounting assembly has to be ordered with each Flame Detector.

Previously by Fire Sentry.

  • Units include a real-time clock with data logging up to 200 events with historical time and date data
  • Optical path and electric self-testing
  • Visual indicators, green is power, red alarm, yellow fault
  • Sensitivity Very high (60m), high (45m), medium (30m) and low (15m) – switch selectable
  • Analogue output 0 – 20 mA stepped – source or sink user selectable
  • Output Relays Alarm, Fault and Fire
  • Dual Microprocessors, one handles samples and signal, freeing the other for data, diagnostics and storage
  • FirePic Up to 6 pre-fire event data storage
  • Two ¾” NPT or 25mm conduit entries
  • Uses low power
  • Enclosure IP66
  • Approvals: FM, cFM, ATEX, IECEx, En54-10 and SIL 2 complaint

This series replaces SS4-A2, SS4-AS2 and SS2-AM models.

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Title Size
FS20X Datasheet 348 KB
FS20X specs 170 KB
FS20X Installation Guide 3 MB
FS20X manual 1 MB
Fire Sentry Accessories_brochure 423 KB

Additional information

Weight0.09 kg

Ordering Information

FS20X Flame Detector Dual IR/UV Flame Detector

FS20X-211 Series, standard temp range -40° to 85°C

FS20X-211-21-2 Copper-Free Aluminum Encl. with (2) ¾” NPT entries, FM, cFM for Class I, Division 1, Groups A, B, C, D; Class II, Division 1, Groups E, F, G; Class III
FS20X-211-22-2 Stainless Steel Encl. with (2) ¾”NPT entries, FM, cFM for Class I, Division 1, Groups A, B, C, D; Class II, Division 1, Groups E, F, G; Class III
FS20X-211-23-3 Copper-Free Aluminum Encl. with (2) M25 entries, FM, cFM, ATEX, IECEx for Class I, Zone 1
FS20X-211-24-3 Stainless Steel Encl. with (2) M25 entries, FM, cFM, ATEX, IECEx for Class I, Zone 1
FS20X-211-21-6 Copper-Free Aluminum Encl. with (2) ¾” NPT entries, FM, cFM for Class I, Division 1, Groups A, B, C, D; Class II, Division 1, Groups E, F, G; Class III. With En54-10 certification
FS20X-211-22-6 Stainless Steel Encl. with (2) ¾”NPT entries, FM, cFM for Class I, Division 1, Groups A, B, C, D; Class II, Division 1, Groups E, F, G; Class III. With En54-10 certification
FS20X-211-23-6 Copper-Free Aluminum Encl. with (2) M25 entries, FM, cFM, ATEX, IECEx for Class I, Zone 1. With En54-10 certification
FS20X-211-24-6 Stainless Steel Encl. with (2) M25 entries, FM, cFM, ATEX, IECEx for Class I, Zone 1. With En54-10 certification
FS20X-211-23-8 Copper-Free Aluminum Encl. with (2) M25 entries,, CU-TR approval, T5 ( Op. Temp -60° to 75°C )
FS20X-211-24-8 Stainless Steel Encl. with (2) M25 entries, , CU-TR approval, T5 ( Op. Temp -60° to 75°C )

FS20X-211 Kits

FS20X-212-21-2 FS20X-211-21-2 Copper-Free Aluminum Encl. with (2) ¾” NPT entries, FM, cFM for Class I, Division 1, Groups A, B, C, D; Class II, Division 1, Groups E, F, G; Class III with FSXA014 Optional HART Module
FS20X-212-22-2 FS20X-211-22-2 Stainless Steel Encl. with (2) ¾”NPT entries, FM, cFM for Class I, Division 1, Groups A, B, C, D; Class II, Division 1, Groups E, F, G; Class III with FSX-A014 Optional HART Module
FS20X-212-23-3 FS20X-211-23-3 Copper-Free Aluminum Encl. with (2) M25 entries,FM, cFM, ATEX, IECEx for Class I, Zone 1 with FSX-A014 Optional HART Module
FS20X-212-24-3 FS20X-211-24-3 Stainless Steel Encl. with (2) M25 entries, FM, cFM, ATEX, IECEx for Class I, Zone 1 with FSX-A014 Optional HART Module
FS20X-212-23-8 FS20X-211-23-3 Copper-Free Aluminum Encl. with (2) M25 entries, CUTR approval, T5 ( Op. Temp -60° to 75°C ) with FSX-A014 Optional HART Module
FS20X-212-24-8 FS20X-211-24-3 Stainless Steel Encl. with (2) M25 entries, CU-TR approval, T5 ( Op. Temp -60° to 75°C ) with FSX-A014 Optional HART Module

Accessories

FSX-A014 Optional HART Module for FS20X Detectors
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

Spare Parts

FS20X-211-10 Replacement Electronics Module for FS20X Detectors. Module only, Standard Temp. Range
FS20X-211-10-6 Replacement Electronics Module for FS20X Detectors. Module only, Standard Temp. Range. EN54-10.
FS20X-212-10 Electronics Module with HART Communication
FSX-A006 Replacement IR Bulb for TL1055 and TL2055

Universal Accessories FS20X & FS24X

DASA1-P Airshield to prevent dust build-up with fitting for 1/4″ tubing. SS4, FS20X, FS24X Note: FS24X is best for dusty, oily environments. Air shield not compatible with FS20X – 6 versions.
DASA6-N Airshield to prevent dust build-up with fitting for 6mm tubing. SS4, FS20X, FS24X Note:FS24X is best for dusty, oily environments. Air shield not compatible with FS20X – 6 versions.
94000-C-1001 Universal 2” pipe Mounting Plate. For Fire Sentry SS4, FS20X and FS24X (use 90083-A-8034 Kit)
90083-A-8034 2 x 2″ U-Bolts x M6 C/W Nuts and Washers 316SST
FVR-01 Field of View Restrictor
RDU300504 Reducer, ATEX, Ex d e, 316SS, M25 (male) to M20 (female)
RDU303029 Reducer, ATEX, Ex d e, 316SS, 3/4″NPT (male) to 1/2″NPT (female)
RDU303004 Reducer, ATEX, Ex d e, 316SS, 3/4″NPT (male) to M20 (female)
ADU300530 Adaptor, ATEX, Ex d e, 316SS, M25 (male) to 3/4″NPT (female)
RDU300529 Reducer, ATEX, Ex d e, 316SS, M25 (male) to 1/2″NPT (female)
PDU300400 ATEX & CSAUS Marked, Ex d e, 316SS, IP66, M20 Blanking Plug
PDU303000 ATEX & CSAUS Marked, Ex d e, 316SS, IP66, 3/4″ NPT Blanking Plug

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