What does a fire detector detects?

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What does a fire detector detects?..

Answer / andy

electro-catalytic detectors detects change in resistance
whereas ir-type detectors detects changes in intensity of IR
spectrum and alerts the system whenever they detects a fire

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What does a fire detector detects?..

Answer / gautam_etrx.engg

Ultraviolet rays (Earlier it was infrared rays)

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What does a fire detector detects?..

Answer / faiyaz

Fire detector detect the fire like UV-ultra violet ray and IR means Infra ray both are fire one is small fire and one is big fire generally used in Hazard area like compressor and condensate area

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What does a fire detector detects?..

Answer / saumyajit

in fire detectors normally we use photo resistors,which is used in wheatstone bridge circuit,in photo resistor conductivity changes as light intensity change.or we cud use photo diodes.(PN-diode,PIN-diode,avelanche diode)

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