PIR placement
Hello,
Should PIR sensors be placed facing away from a window to avoid false triggering? |
PIR placement
On Fri, 27 Oct 2006 08:01:00 +0100, M.Joshi
put finger to keyboard and composed: Should PIR sensors be placed facing away from a window to avoid false triggering? You should put them on the opposite wall to avoid false triggering by rustling curtains. Place them in a corner so that they face across the window, not directly at it. A PIR is most sensitive when an intruder moves across it rather than toward it. For more reliable triggering, I'd suggest a dual sensor, ie one that combines a PIR and a microwave detector. The latter is insensitive to heat variations. - Franc Zabkar -- Please remove one 'i' from my address when replying by email. |
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