Honeywell FS24X‑911‑21‑1 Flame Detector – Fixed Infrared Flame Detection | Industrial Fire Safety Sensor
The Honeywell FS24X‑911‑21‑1 Flame Detector is a high‑performance industrial safety sensor engineered for fast and reliable detection of hydrocarbon and non‑hydrocarbon flames in hazardous environments. Designed for use in oil & gas facilities, chemical plants, power stations, and storage terminals, this advanced flame detector provides precision monitoring and rapid alarm response to help protect people, equipment, and infrastructure from fire hazards.
Featuring dual‑band infrared sensing technology and robust environmental resistance, the FS24X‑911‑21‑1 detects flame events with excellent immunity to false alarms caused by lighting, sunlight, or hot surfaces. Its rugged construction and wide field of view make it suitable for demanding applications where safety, uptime, and early warning are critical.
SPECIFICATIONS
| Feature | Details |
|---|
| Product Name | Honeywell FS24X‑911‑21‑1 Flame Detector |
| Brand | Honeywell Safety & Fire |
| Detector Type | Fixed Infrared Flame Detector |
| Sensing Technology | Dual‑Band IR (IR2) |
| Field of View | 90° or wider (model dependent) |
| Detection Range | Up to 25 m or higher (depending on fuel type) |
| Response Time | Fast (milliseconds) |
| Output | Relay / Analog / Optional HART (model dependent) |
| Certifications | ATEX / IECEx / FM / CSA / CE (region dependent) |
| Operating Temp. | –40°C to +80°C (varies by unit) |
| Ingress Protection | IP66 / IP67 (weatherproof) |
| Mounting | Fixed wall/pipe mount |
| Application | Industrial fire and flame detection systems |
Specifications may vary by variant and regional certification.
Honeywell FS24X‑911‑21‑1 Flame Detector Description
The Honeywell FS24X‑911‑21‑1 Flame Detector is engineered for rapid, dependable flame detection in environments where the presence of fire poses significant risk to life and assets. Utilizing dual‑band infrared (IR2) sensing technology, this detector identifies infrared signatures emitted by flames, providing accelerated detection of hydrocarbon (e.g., gasoline, diesel) and non‑hydrocarbon fuels (e.g., hydrogen) with high sensitivity.
Because industrial flame detection environments are often complex, the FS24X‑911‑21‑1 offers excellent immunity to false alarms caused by common sources such as sunlight, welding, hot machinery, or arc flashes. Its advanced processing and optical design ensure reliable operation even in dusty, humid, or corrosive conditions.
The detector’s rugged enclosure, rated IP66/IP67, resists moisture, dust, and weather exposure, making it suitable for outdoor and indoor hazardous areas. Certified for use in explosive atmospheres (ATEX, IECEx, FM, CSA), this model meets global safety requirements for industrial installations.
With flexible outputs (relay / analog / HART optional) and straightforward mounting options, the FS24X‑911‑21‑1 integrates easily into fire alarm systems, fire suppression controls, and building management systems, providing proactive fire detection and peace of mind across industrial sites.
Key Features
Dual‑Band IR (IR2) flame sensing for high detection accuracy
Rapid response time for early fire detection
Wide field of view for comprehensive area coverage
High immunity to false alarms from sunlight and hot surfaces
Rugged IP66/IP67 weatherproof housing for harsh environments
Hazardous‑area certifications (ATEX / IECEx / FM / CSA)
Flexible output options (relay, analog, optional HART)
Suitable for hydrocarbon and non‑hydrocarbon fuels
Where It Can Be Used
Oil & gas refineries and production facilities
Petrochemical and chemical processing plants
Storage tanks and loading terminals
Power generation and utility plants
Offshore platforms and marine facilities
Industrial plants with flammable materials
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