Spectrex SharpEye 40/40D-M Ultra Fast Multi IR Quad-Sense Flame Detector
The Spectrex SharpEye 40/40D-M is an ultra-fast multispectrum QuadSense IR3 Flame Detector. The SharpEye 40/40D-M provides superior, long distance detection of hydrogen at up to 165ft (50m) and hydrocarbon fires at up to 295 ft. (90 m), exceptional ultra-fast detection in under 50 msec.

The Spectrex SharpEye 4/40D-M features the widest operation temperature range in extreme weather conditions with unparalleled reliability and is based on the proven Triple-IR (IR3) technology which ensures highest sensitivity with best immunity to false alarms
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- Superior longest distance detection of hydrocarbon-based fuel and gas fires at up to 300 ft. (90 m)
- Ultra fast detection, high speed response under 50 msec
- Proven false alarm immunity
- Unparalleled reliability - 150,000 hours MTBF
- Best in class temperature range: -76 to +185 °F (-60 to +85 °C)
- Enhanced durability backed up by with five-year warranty
- Six sensitivity levels, adapting to any application
- Smart field of view integrity test, allowing flawless operation
- Innovative IR Built-In-Test - continuously validating the optical integrity and the electronic circuitry
- Multiple output options for maximum compatibility with standard infrastructures
- Plug-and-Play - factory calibrated for immediate use in any fire detection system
- Universal wiring option for fast ordering process
- Two mode heated optics for impeccable performance in challenging environmental conditions
- Worldwide and regionally certified for hazardous areas
- Performance and reliability approved by recognizable certification bodies
- SIL3 compatible
Spectral response |
Four infrared bands between 2 and 5 μm |
Sensitivity ranges |
6 sensitivity ranges for 1 ft2 (0.1 m2) n-heptane pan fire |
Field of view |
Hydrogen: horizontal 90°, vertical 90° |
Temperature range |
Operating: -76 to +185 °F (-60 to +85 °C)
Storage: -76 to +185 °F (-60 to +85 °C) |
Humidity |
Non-condensing relative humidity up to 100% |
Standard response time |
Typically < 2 sec. at 131 ft. (40m)
10 sec. at 300 ft. (90 m) |
High speed response time (explosion) |
50 msec for 1 ft. (0.30 m) diameter sphere LPG-air mixture explosion at 66 ft. (20 m) |