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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.