PIR (Passive Infra Red Detector)

PIR (Passive Infra Red Detector)


PIR (Passive Infra Red Detector). The PIR can either be a hard wired device, directly wired to the security controller or be wireless where getting cables to the controller is not possible or difficult. There are many differing PIR detectors but they all work on protection the space of a room which it is situated in. They must have a clear view with no obstruction in its view to work correctly as designed.



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