Honeywell FS24X Plus Triple Infrared Flame Detector

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The Honeywell FS24X Plus is a flame detector that uses WideBand IR infrared technology to identify hydrocarbon and hydrogen fires promptly and reliably. It can detect fires even in unfavourable weather conditions like rain, fog, and smoke.

The FS24X Plus is designed for use in hazardous locations and holds marine certifications. It is also SIL2-rated, making it ideal for safety instrumented system applications.

Features & Benefits

  • Fast response to a wide range of hydrocarbon and hydrogen fires, even in low visibility conditions.
  • Advanced diagnostics, including window clarity, to maintain site protection.
  • A sunshade and standard or marine mounting brackets are included to quickly and easily position the detector in its optimal location.
  • Powerful FlameManager software replaces legacy dip switches for detector configuration and provides simplified diagnostics and post-event FirePics.

At a Glance Instrument Status

  • High Visibility, Multi Color LED HALO ring: Indicates device status from up to 50ft (15m) away, even in bright outdoor environments.

Quick Specifications

  • Long-range, wide-angle sensors detect 200ft (60m) fires for 1ft² (0.1m²) n-Heptane.
  • Field of View: 90° cone of vision. 120° cone of vision (50% on-axis range).
  • Outputs: 4-20mA, Relays, HART, and Modbus communication are standard.
  • Fire Detection: Responds to a wide range of hydrocarbon fires such as n-heptane, Methane, Butane, Propane, Ethanol, Methanol, Diesel, Kerosene, JP-4, IPA, and Hydrogen.
  • Speed of Response: Typically 5 seconds.
  • Tariff Commodity Code: 85365080.
  • Origin: USA.

Order Information

  • FS24XP-ANGXX: FS24X Plus – 3IR – AL – 3/4″ NPT kit includes mount and sunshade
  • FS24XP-AMGXX: FS24X Plus – 3IR – AL – M25 kit includes mount and sunshade
  • FS24XP-SNGXX: FS24X Plus – 3IR – SS – 3/4″ NPT kit includes mount and sunshade
  • FS24XP-SMGXX: FS24X Plus – 3IR – SS – M25 kit includes mount and sunshade
  • FS24XP-ANGXM: FS24X Plus – 3IR – AL – 3/4″ NPT kit includes marine mount and sunshade
  • FS24XP-AMGXM: FS24X Plus – 3IR – AL – M25 kit includes marine mount and sunshade
  • FS24XP-SNGXM: FS24X Plus – 3IR – SS – 3/4″ NPT kit includes marine mount and sunshade
  • FS24XP-SMGXM: FS24X Plus – 3IR – SS – M25 kit includes marine mount and sunshade

Accessories

  • SM4: Stainless Steel Swivel Mounting Assembly
  • SM4-M: Stainless Steel Swivel Mounting Assembly – Marine Version
  • TL-2055: Test lamp for FSX and FSX Plus, explosion-proof. Incl universal charger
  • TL-1055: Test lamp for FSX and FSX Plus, non-explosion proof. Incl universal charger
  • FS24XP-NFPA-KIT: NFPA conversion kit (terminal blocks)
  • SH-001: Stainless Steel Sunshade

Spares

  • FS24XP-PUCK: FS24X Plus – 3IR – Spare Puck Kit
  • FSX-A006: Replacement Bulb for TL-1055 or TL-2055

Specifications

Optical & Detection Specifications
Field of View 90° Cone of vision
120° Cone of vision (50% on axis range)
Sensitivity Low: 50 ft (15 m)
Medium: 100 ft (30 m)
High: 150 ft (45 m)
Very High: 200 ft (60 m)
To 1 ft² (0.1 m²) n-Heptane fire
Configurable via Flame Manager
Response Time Typically 5 seconds and a maximum of 10 seconds
Tested Fuels n-Heptane, IPA, Methane, Butane, Propane, Ethanol, Methanol, Hydrogen, Diesel, Kerosene, JP-4

Electrical Specifications
Operating Voltage 24 VDC nominal (18–32 VDC) – Regulated
Power Consumption 1.8 Watts (Nominal)
2.4 Watts (Alarm)
12 Watts (Max) – with heater ON 100% duty cycle
Output Relays Alarm, Fault, and Auxiliary: SPDT1 (NO2/NC3) – De-Energized/Energized, Latching/Non-Latching
Rating: 2 A @ 32 VDC
Analog Output 4–20 mA – Source, Sink or Isolated
(Refer Technical Manual for Wiring Configuration)
Digital Communications RS-485: Modbus and FP2
USB: FP2
HART® with handheld communicator or hardwired

Environmental Specifications
Operating Temperature -55°C to +75°C (-67°F to +167°F)
North America: -50°C to +75°C (-58°F to +167°F)
Storage Temperature -55°C to +85°C (-67°F to +185°F)
North America: -50°C to +85°C (-58°F to +185°F)
Humidity Range 0 to 99% relative humidity or 100% condensing humidity for short periods of time

Mechanical Specifications
Cable/Conduit Entries 2 × M25 or 2 × ¾” NPT
Enclosure Materials Low Copper Aluminum with Marine Grade Paint or 316 Stainless Steel
Enclosure Type IP 66 / 67 (Type 4X)
Weight Aluminum: 1.7 kg (3.7 lbs)
Stainless Steel: 3.4 kg (7.4 lbs)

Certifications
Hazardous Location Certifications ATEX: II 2 G Ex db IIC T5 Gb; II 2 D Ex tb IIIC T135°C Db IP66/67
IECEx: Ex db IIC T5 Gb; Ex tb IIIC T135°C Db IP66/67
cFMus: Class I, Div 1, Grps A, B, C, D; Class II/III, Div 1, Grps E, F, G NEMA 4X
INMETRO
CUTR*
CCC*
Performance Certifications FM3260
EN54-10: Class 1 (Medium, High, Very High Sensitivities), Class 2 (Low Sensitivity)
Safety Certification IEC61508 SIL 2 Certified by TUV Sud
Marine Certifications* Maritime Type approved to ABS, Lloyds, BV, DNV

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