The PIR – Passive Infrared Sensor – is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view and then trigger a certain action in a device or light fitting. They are most often used in PIR-based motion detectors, and they work in conjunction with lights, heating, ventilation, etc. More at #energyefficient blog
Article introducing a wide range of PIRs (passive infrared sensors) from CP Electronics, Danlers, BEG, and many others for indoor and outdoor lighting.
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