Passive Infra-Red Detector
Passive Infra –Red Detector The SENTRY Passive Infra-Red Detector is the ideal motion detector for residential and office sites that require high performance at a low cost. It makes use of digital processing techniques to improve the performance. Notable for its sealed optics, look down optics, temperature compensation and pulse counter. The Sentry detector is a compact, sleek design and provides easy installation and is available is in the standard PIR only, PIR and microwave or wireless version.