Alarms

Beams vs PIRs in Intruder Alarms – The 2 Most Common Detectors

Posted on 2019-05-232021-01-27 by Mark Wilson

23
May

Why is a PIR Better Than a Beam in Your Intruder Alarm? Firstly let me explain these two intruder detectors in a bit more detail. Acitve Infrared (IR) Beam This detector consists of two parts, the transmitter and the receiver. The transmitter emits a beam of infrared (IR) light and the receiver picks up this […]

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Alarms

Choosing the best position for your passive infra-red red (PIR) motion detector.

Posted on 2017-10-112019-05-23 by Mark Wilson

Because the detection angle of most PIRs is 90 degrees, it is best installed in the corner of the room at a height of about 2.2 metres. For best results consider the following points when selecting the mounting point of your PIR:– Ideally the PIR should be mounted so that the path of an intruder […]

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