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Lighting movement sensors

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allegrif

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Lighting movement sensors
« on: November 24, 2015, 06:26:18 PM »
This is probably a thing already, but how about having a lighting system hooked up to motion detectors? I can't imagine a motion detector would use much electricity at all, so perhaps there could be a system whereby if a motion detector doesn't detect movement in a room for a minute or so it automatically turns the lights in that room off? This could perhaps be configured to allow a manual override in certain rooms or at certain times.

I think something like this would help me greatly, my memory lets me down too often with turning the lights off!

LucidEnergy

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Re: Lighting movement sensors
« Reply #1 on: November 24, 2015, 09:32:17 PM »
I have noticed this become more prevelant in recent years, especially in the hallways of apartment blocks built post-2005. I don't see it much in private residences. I imagine the system can be somewhat of a hassle to setup, which is why it's only really common in new buildings, with older systems not getting converted.

I wonder how much it saves when the new lighting systems themselves are already quite efficient, this would have been much more useful with incandecent lighting systems.

JamesH

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Re: Lighting movement sensors
« Reply #2 on: November 26, 2015, 08:06:48 PM »
We used to have them in our school. What I'd really like to know is just how much energy the sensors and related equipment use. I know it can't be that much, but it does make you wonder, especially as it will be active 24/7

allegrif

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Re: Lighting movement sensors
« Reply #3 on: November 27, 2015, 11:22:19 AM »
I think the energy used by a movement sensor is infinitesimally small. The savings would far outweigh the energy usage.

xutamyj

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Re: Lighting movement sensors
« Reply #4 on: December 27, 2019, 10:36:20 AM »
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