Honeywell FS24X-911-21-1 Flame Detector | Certified Safety Device

Honeywell FS24X-911-21-1 Flame Detector

FS24X-911-21-1 is a high-performance flame detector.

It serves harsh industrial fire zones.

The design handles heat and vibration.

The wide field monitors large areas.

Response time stays fast and stable.

Product Identity

• Brand: Honeywell
• Part Number: FS24X-911-21-1
• Model Type: Industrial flame detector
• Condition: New and factory sealed
• Certifications: FM, cFM, ATEX, IECEx

Enclosure and Build

• Housing: Copper-free aluminum
• Optional 316 stainless steel shell
• Diameter: 4.81 in or 122.24 mm
• Height: 4.35 in or 110.49 mm
• Mount Center: 5.50 in spacing
• Entry: Dual ¾ in NPT or 25 mm conduit
• Weight: 1.7 kg aluminum version
• Protection: IP66 and NEMA 4X
• Vibration: Meets MIL-STD-810C

Electrical Interface

• Input Voltage: 18 to 32 VDC
• Normal Draw: 60 mA typical
• Alarm Draw: 85 mA max
• Heater Mode: up to 235 mA
• Relay Output: 1 A at 24 VDC
• Analog Output: 0–20 mA selectable source or sink
• Fault Signal: <0.6 mA
• Normal Signal: 4 mA
• Alarm Signal: 20 mA
• Terminal Range: 12–22 AWG stranded wire

Environmental Limits

• Operating Range: -60°C to +85°C
• Storage Range: -55°C to +105°C
• Humidity: up to 95 percent RH
• Short-term condensation allowed
• Stable optics under dusty air flow

Detection Performance

• Field of View: 90° horizontal and 80° vertical
• Spectral Band: 0.4 to 5.0 microns
• Response Speed: 2 to 5 seconds
• Reference Fire: 1 sq ft heptane at 200 ft
• False Alarm Rejection: Advanced multi spectrum logic
• View Stability: High immunity to sunlight

Key Advantages

• Early fire recognition.
• Wide viewing coverage.
• Low current demand.
• Hazard-zone approvals.
• Robust aluminum housing.
• Dual output options.
• Quick system integration.

Typical Installation Sites

• Oil tank farms.
• Gas compressor rooms.
• Turbine enclosures.
• Loading platforms.
• Chemical process areas.

Warranty and Shipping

• Warranty: 12 months factory support.
• Brand new with sealed packing.
• Inspection before dispatch.
• Courier Options: FedEx, UPS, DHL.
• Worldwide express delivery.

FAQ

• Can the detector face outdoor sunlight?
• Yes, optical filters reduce false triggers.
• Is heater operation mandatory?
• No, the heater is only used to prevent lens fogging.
• Does cable length affect output accuracy?
• Signal remains stable within rated load limits.
• Can relays drive alarm horns directly?
• They can control low-current devices or relays.
• How often should the lens be cleaned?
• Check during routine safety inspections.

Contact Information Inquiries:
info@oiltechcontrols.com |
+86 158 8020 0923

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