Wednesday 7 December 2016

Passive infrared sensor

Phone: 0800 193 8727, 020 3137 8727 
Mail: sales@fittedhomealarms.co.uk
A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors.

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