Types of Detectors in Fire Alarm System & Their Uses
In any building, a Fire Alarm System is the first line of defense for life safety. Detectors play a vital role in sensing fire and alerting the system early.
Major Types of Detectors:
Smoke Detectors Ionization, Photoelectric, Beam (used in offices, hotels, warehouses).
Heat Detectors Fixed Temperature, Rate-of-Rise (used in kitchens, boiler rooms, parking).
Flame Detectors → UV, IR, UV/IR (used in oil & gas, refineries, hangars).
Gas Detectors Detect CO, LPG, Methane (used in kitchens, car parks, gas plants).
Multi-Sensor Detectors → Combination of smoke + heat or smoke + CO (used in hospitals, data centers, commercial buildings).
Uses in Fire Alarm System:
Early fire detection & warnin
Automatic alarm to Fire Control Panel
Activation of sprinklers, ventilation & suppression
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