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.
Cambridge, MA. April 17, 2013 – HGH Infrared Systems, a global provider of 360 degree thermal imaging systems, announces the debut of their new high resolution system for Wide Area Surveillance. The ...
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