Re: IR sensor operating power

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Re: IR sensor operating power Jim 12-14-2007
Posted by Jim on December 14, 2007, 10:01 am
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>-> Anybody know how much power one of those motion-sensing infrared
> -> fixtures draws to power the emitter and sensor? IOW, what's it draw
> when the
> -> light's not on?
> -> TIA,
> -> Jim
>
> The one I have is stone cold. It can't be dissipating much power.


I didn't know if anyone had KAW readings or not. I have one spot in the
house where a hallway was converted into a laundry room, and the switch is
nearly impossible to get to as it is behind the dryer in the farthest corner
of the room. A motion sensing fixture makes much more sense.
Thanks,
Jim

>
> dow



Posted by Neon John on December 14, 2007, 11:19 am
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> I didn't know if anyone had KAW readings or not. I have one spot in the
>house where a hallway was converted into a laundry room, and the switch is
>nearly impossible to get to as it is behind the dryer in the farthest corner
>of the room. A motion sensing fixture makes much more sense.


A KAW isn't going to come close to measuring the tiny power consumption of a
motion
switch. Probably by at least an order of magnitude. The consumption will be
milliwatts of not lower. Your meter literally won't see the difference on
consumption.

John
--
John De Armond
See my website for my current email address
http://www.neon-john.com
http://www.johndearmond.com <-- best little blog on the net!
Tellico Plains, Occupied TN
There is room for all of God's creatures.... Right next to the mashed potatoes.


Posted by Jim on December 17, 2007, 4:46 pm
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>
>
>> I didn't know if anyone had KAW readings or not. I have one spot in
>> the
>>house where a hallway was converted into a laundry room, and the switch is
>>nearly impossible to get to as it is behind the dryer in the farthest
>>corner
>>of the room. A motion sensing fixture makes much more sense.
>
>
> A KAW isn't going to come close to measuring the tiny power consumption of
> a motion
> switch. Probably by at least an order of magnitude. The consumption will
> be
> milliwatts of not lower. Your meter literally won't see the difference on
> consumption.

Many thanks John; I was thinking it would probably draw about 1 watt per
hr.
>
> John
> --
> John De Armond
> See my website for my current email address
> http://www.neon-john.com
> http://www.johndearmond.com <-- best little blog on the net!
> Tellico Plains, Occupied TN
> There is room for all of God's creatures.... Right next to the mashed
> potatoes.
>
>



Posted by on December 17, 2007, 5:27 pm
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>... I was thinking it would probably draw about 1 watt per hr.

What do you mean by "1 watt per hr."?

Nick


Posted by Jim on December 18, 2007, 9:45 am
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>
>>... I was thinking it would probably draw about 1 watt per hr.
>
> What do you mean by "1 watt per hr."?

Oh Great Hairsplitter Supreme, WTF do you think I mean?
It's feast or famine with you, either you're a tremendous help or a
great big PITA.........


>
> Nick
>



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