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Decent external PIR sensor with sensitivity adjustment
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<blockquote data-quote="SPECIAL LOCATION" data-source="post: 541512" data-attributes="member: 250"><p>After far too many false triggering problems....</p><p>I stopped installing any lights with integral PIR's.. </p><p>(Maybe 6 or 7 years back now... or possibly longer???)</p><p></p><p>However... whilst certainly NOT top-o-the-range-kit...</p><p>ZINK, (ZINC), PIR's DO have a sensitivity adjustment...</p><p></p><p>e.g. <a href="https://www.screwfix.com/p/zinc-dion-outdoor-black-pir-sensor-180-/388ft" target="_blank">From Screw-Bits...</a></p><p>Or.. <a href="https://www.toolstation.com/1800-pir-sensor-ip44/p11555" target="_blank">From Troll-Station...</a></p><p></p><p>I have one of these working the outside light on my garden shed at the far end of the garden, that that has been working ok for many years...</p><p>And I've fitted a few for some paying customers..</p><p>Which are still working OK.</p><p></p><p>BUT...</p><p>The only adjustment I have made..</p><p>Is to drill a small drainage hole in the bottom under-side of the PIR....</p><p>as a few years back I had problems with some sensors filing up with water following heavy rain!!!!</p><p></p><p></p><p>As a side note...</p><p>One of my key-considerations for quite a few years now when supplying any kit...</p><p>is not just cost & reliability.. </p><p></p><p>BUT...</p><p>How easy is it to return faulty items and get a refund...</p><p>So in general I cannot be arsed with "on-line-only", "web-shop" order's from obscure suppliers!! </p><p>ScrewBits and TrollStation have been pretty good so far on giving refunds for faulty kit!!!</p></blockquote><p></p>
[QUOTE="SPECIAL LOCATION, post: 541512, member: 250"] After far too many false triggering problems.... I stopped installing any lights with integral PIR's.. (Maybe 6 or 7 years back now... or possibly longer???) However... whilst certainly NOT top-o-the-range-kit... ZINK, (ZINC), PIR's DO have a sensitivity adjustment... e.g. [URL='https://www.screwfix.com/p/zinc-dion-outdoor-black-pir-sensor-180-/388ft']From Screw-Bits...[/URL] Or.. [URL='https://www.toolstation.com/1800-pir-sensor-ip44/p11555']From Troll-Station...[/URL] I have one of these working the outside light on my garden shed at the far end of the garden, that that has been working ok for many years... And I've fitted a few for some paying customers.. Which are still working OK. BUT... The only adjustment I have made.. Is to drill a small drainage hole in the bottom under-side of the PIR.... as a few years back I had problems with some sensors filing up with water following heavy rain!!!! As a side note... One of my key-considerations for quite a few years now when supplying any kit... is not just cost & reliability.. BUT... How easy is it to return faulty items and get a refund... So in general I cannot be arsed with "on-line-only", "web-shop" order's from obscure suppliers!! ScrewBits and TrollStation have been pretty good so far on giving refunds for faulty kit!!! [/QUOTE]
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