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Do-It-Yourself (DIY) Question & Answer Forum
Good PIR Light
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<blockquote data-quote="Geoff1946" data-source="post: 523398" data-attributes="member: 28452"><p>I find these things totally unpredictable. You say you want good sensitivity. I fitted one of these and finished up binning it because it was so sensitive the light was never off! I'll swear it could see birds flying over! I tried masking, etc <a href="https://www.screwfix.com/p/zinc-dion-outdoor-black-pir-sensor-180/388ft" target="_blank">https://www.screwfix.com/p/zinc-dion-outdoor-black-pir-sensor-180/388ft</a></p><p>With combined units you don't always get any or all adjustments. I have a Wickes round wall light from about ten years ago which is spot on. A floodlight from CPC I put on my garage has no settings, is fine for sensitivity and time but thinks it's dark mid afternoon in winter.</p><p>If you choose to put two detectors in parallel do yourself a favour by fitting switches so you can tell which one is playing you up.</p></blockquote><p></p>
[QUOTE="Geoff1946, post: 523398, member: 28452"] I find these things totally unpredictable. You say you want good sensitivity. I fitted one of these and finished up binning it because it was so sensitive the light was never off! I'll swear it could see birds flying over! I tried masking, etc [URL]https://www.screwfix.com/p/zinc-dion-outdoor-black-pir-sensor-180/388ft[/URL] With combined units you don't always get any or all adjustments. I have a Wickes round wall light from about ten years ago which is spot on. A floodlight from CPC I put on my garage has no settings, is fine for sensitivity and time but thinks it's dark mid afternoon in winter. If you choose to put two detectors in parallel do yourself a favour by fitting switches so you can tell which one is playing you up. [/QUOTE]
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