The FS7 Flame Detector provides an intelligent two-stage response to semiconductor wet bench fires:
Stage 1: Alert. This is the first-stage response to a small fire with a heat energy output of 3 kW (the equivalent of a 4-inch diameter polypropylene pool fire). This allows time for the fire to self-extinguish.
Stage 2: Alarm. If the fire does not self-extinguish, and grows to the Factory Mutual specified heat energy threshold of 13 kW (the equivalent of an 8-inch diameter polypropylene pool fire), the second-stage response is activated.
- Multi-Spectral digital electro-optical radiant energy infrared fire detector
- Unique two-stage fire detection response
- Immune to false alarm sources
- NOT affected by absorbing smoke, gasses or chemical vapors
- NOT sensitive to background radiant energy from electric heaters and ovens
- Detects hydrocarbon and non-hydrocarbon fires
- Rugged leak-proof, heat-sealed, acid-resistant, injection-molded polypropylene housing
- Wide 120° field-of-view
- Digital communication with RS-485 interface
- FirePic™: time and date-stamped digital fire signatures
- Built-in detector automatic self test
- Unitzed model design for stand-alone operation
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Honeywell FS7 Flame Detector
It has an advanced function to perform Analysis of the flame flicker-frequency for improved false alarm rejection. Dual sensing methodology enables a wide range of hydrocarbon and Non-hydrocarbon fires to be effectively detected. Good resistance against the influences of: – Direct and reflected sunlight
– Artificial light, such as fluorescent tubes and glass covered halogen lamps
– Arcs and electric discharges (static or from e.g. electric motors)
– The radiation from electric welding provided that the electric welding takes place at a distance more than 10 feet from the flame detector (a welding rod contains organic compounds which may produce a small flame)
