Fire Detector

A fire detector is a device designed to sense the presence of a fire — typically by detecting smoke, heat, or flame — and then trigger a fire alarm system to warn building occupants and/or activate suppression systems.

Fire Detector Type


TypeHow it WorksTypical Use
Smoke DetectorDetects smoke particles in the air.Offices, homes, hotel rooms
Heat DetectorDetects abnormal rise in temperature or fixed temperature.Kitchens, generator rooms
Flame DetectorDetects infrared (IR) or ultraviolet (UV) light from flames.Fuel storage, chemical plants
Gas DetectorDetects hazardous gases like CO, LPG, CH₄.Parking garages, industrial
Multi-Sensor DetectorCombines smoke, heat, and/or CO detection for accuracy.Airports, hospitals, hotels

Smoke Detectors

TypeDetection PrincipleBest Use
Ionization TypeDetects small, invisible combustion particles.Fast flaming fires
Photoelectric (Optical)Detects visible smoke via light beam scatter.Smoldering fires (upholstery, wiring)
Aspirating Smoke Detector (ASD)Continuously samples air via pipes and analyzes it.Data centers, archives

Fire Detector Selection Guide Example

AreaDetector Type
Server RoomAspirating Smoke Detector (ASD)
Basement ParkingHeat + CO Detector
KitchenFixed Heat Detector
Office AreaOptical Smoke Detector
Fuel StorageFlame Detector
Fire Detector

Fire Detector Vs Fire Alarm

  • Fire Detector: Device to sense fire condition (smoke/heat/flame)
  • Fire Alarm: Complete system with detectors, control panel, and notification devices

Would you like:

  • Technical datasheets of detectors?

  • A BOQ/sample list for a project?

  • A wiring diagram or connection schematic?

Let me know — We can prepare it for you.

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