FS20X-211-21-2 | Honeywell Flame Sentry UV/Dual IR/VIS Flame Detector, 18–32VDC

Honeywell · Fire & Life Safety

Description  The Honeywell FS20X-211-21-2 is a multi-spectrum UV/Dual IR/VIS flame detector designed for advanced fire detection in hazardous and industrial environments. Operating from 18 to 32 VDC, it provides fast, accurate flame recognition with high immunity to false alarms.     Technical Specifications  Condition New/Never Used Surplus Brand Honeywell Category Fire Detection Equipment Part Number FS20X-211-21-2 Subcategory Flame Detector Product Type Multi-spectrum UV/Dual IR/VIS flame detector Operating Voltage 18–32 VDC Circuit Resistance 50–400 ohms Detection Technology UV, Dual IR, Visible spectrum Mounting Connection ¾-inch NPT Field of View Wide-angle, multi-spectrum coverage (typical series specification) Response Time Milliseconds (depends on flame intensity and type) Output Type Alarm, fault, and analog communication (series standard) Enclosure Rating Explosion-proof, corrosion-resistant housing Application Fire and flame detection in hazardous and industrial areas Standards Compliance UL, FM, ATEX, and CE (series dependent) Environmental Range Designed for outdoor/industrial environments Typical Installations Refineries, hangars, offshore rigs, power generation Weight 5 lbs (approx.)     Information About FS20X-211-21-2 The FS20X-211-21-2 is part of Honeywell’s Flame Sentry (FSX) Series, utilizing patented UV/Dual IR/VIS detection technology for rapid response to a wide range of hydrocarbon and non-hydrocarbon fires. This advanced sensor combination enhances detection range while minimizing susceptibility to false triggers from sunlight, welding, or hot surfaces. The detector operates on 18–32 VDC, features a ¾-inch NPT mounting connection, and is designed for Class I and II Division 1 and 2 hazardous locations. With intelligent signal processing and field-proven reliability, the FS20X-211-21-2 is ideal for refineries, aircraft hangars, chemical plants, and power generation facilities requiring high-performance flame monitoring. Key Features: UV/Dual IR/VIS Detection: Multi-spectrum sensing ensures accurate flame recognition and superior false alarm rejection. Wide Voltage Range: Operates from 18 to 32 VDC for flexible system integration. High Sensitivity: Detects hydrocarbon and non-hydrocarbon fires with extended range. Fast Response Time: Rapid flame detection within milliseconds for critical protection. Rugged Construction: Suitable for Class I/II, Division 1 and 2 hazardous areas. Standard Mounting: ¾-inch NPT connection for simplified field installation. Low Power Consumption: Efficient design with typical circuit resistance of 50–400 ohms. Proven Reliability: Designed for harsh industrial and outdoor fire protection environments. The FS20X-211-21-2 delivers the reliability and precision required for high-speed, multi-spectrum flame detection in critical safety applications.

Brand: Honeywell · Category: Fire & Life Safety

Key features

• UV/Dual IR/VIS Detection: Multi-spectrum sensing ensures accurate flame recognition and superior false alarm rejection.
• Wide Voltage Range: Operates from 18 to 32 VDC for flexible system integration.
• High Sensitivity: Detects hydrocarbon and non-hydrocarbon fires with extended range.
• Fast Response Time: Rapid flame detection within milliseconds for critical protection.
• Rugged Construction: Suitable for Class I/II, Division 1 and 2 hazardous areas.
• Standard Mounting: ¾-inch NPT connection for simplified field installation.
• Low Power Consumption: Efficient design with typical circuit resistance of 50–400 ohms.
• Proven Reliability: Designed for harsh industrial and outdoor fire protection environments.

Specifications

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