Home » Public Forums » GMCnet » [GMCnet] Kill-o-watt device overhead?
| [GMCnet] Kill-o-watt device overhead? [message #237965] |
Wed, 29 January 2014 12:58  |
John Olson
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Registered: August 2013
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When I plug my Kill-o-watt into a standard house wall socket (nothing
plugged into the KoW), the WATTS readout is always about 25w.
I was expecting a reading of 0 watts, since nothing was plugged into the
KoW.
For Energy Survey data, does this mean KoW overhead of 25w should be
subtracted from the sample?
John Olson
76 Edgemont
Chicago, IL (currently nomadic in AZ)
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76 Edgemonte
Fulltime traveler
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| Re: [GMCnet] Kill-o-watt device overhead? [message #237967 is a reply to message #237965] |
Wed, 29 January 2014 13:34  |
Don A
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John, I just checked mine and it shows 0.00 kw.
Don Adams Dallas, TX
'76 26' Glenbrook, '90 Sidekick
rebuilt by R Archer, powered by J Bounds, Koba
[IMG]http://www.gmcmhphotos.com/photos/data/6109/G2.jpg[/IMG]
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| Re: [GMCnet] Kill-o-watt device overhead? [message #237970 is a reply to message #237967] |
Wed, 29 January 2014 14:37 |
John Olson
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Thanks Don. Hmmm, I wonder if I have mine configured incorrectly or not
properly calibrated. I've tried plugging into varied outlets with the same
25w readout.
Well, I do have a Xantrex LinkPro newly installed in the GMC. Still working
my way toward understanding all its functions. It readily shows an amp draw
number (I assume at 12v). I'll try unplugging the coach from the pole and
power cycle through our installed devices to read the usage differences.
John Olson
76 Edgemont
Chicago, IL (currently nomadic in AZ)
On Wed, Jan 29, 2014 at 12:34 PM, Don Adams <dj.adams@att.net> wrote:
>
>
>
> John, I just checked mine and it shows 0.00 kw.
>
>
>
> --
> Don Adams Dallas, TX
> '76 26' Glenbrook, '90 Sidekick
> rebuilt by R Archer, powered by J Bounds, Koba [IMG]
> http://www.gmcmhphotos.com/photos/data/6109/G2.jpg[/IMG]
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76 Edgemonte
Fulltime traveler
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| Re: [GMCnet] Kill-o-watt device overhead? [message #237972 is a reply to message #237965] |
Wed, 29 January 2014 14:45 |
jhbridges
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Location: Braselton ga
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I'd take that to be the power burn of the instrument itself, so you'd subtract it if you wanted to know the power use of whatever is oplugged into it; or you'd use the total if you wanted total load on the outlet into which the Kill-O-Watt is plugged.
--johnny
'76 23' transmode norris
________________________________
From: John Olson <johnolsondesign@gmail.com>
To: "gmclist@temp.gmcnet.org" <gmclist@temp.gmcnet.org>
Sent: Wednesday, January 29, 2014 1:58 PM
Subject: [GMCnet] Kill-o-watt device overhead?
When I plug my Kill-o-watt into a standard house wall socket (nothing
plugged into the KoW), the WATTS readout is always about 25w.
I was expecting a reading of 0 watts, since nothing was plugged into the
KoW.
For Energy Survey data, does this mean KoW overhead of 25w should be
subtracted from the sample?
John Olson
76 Edgemont
Chicago, IL (currently nomadic in AZ)
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Kill-o-watt device overhead? [message #237975 is a reply to message #237972] |
Wed, 29 January 2014 15:49 |
Otterwan
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Location: Lynnwood (north of Seattl...
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Just checked mine, which is plugged into the bathroom outlet of the coach with nothing plugged into it (coach is plugged into shore power). Reads 119 volts, 60hz, zero watts.
Any chance that you have it set on usage? Then it displays total watts used.
1977 Birchaven, Lynnwood WA - "We may not be able to stop all evil in the world, but I know that how we treat one another is entirely up to us."
[Updated on: Wed, 29 January 2014 15:50] Report message to a moderator |
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| Re: [GMCnet] Kill-o-watt device overhead? [message #237979 is a reply to message #237975] |
Wed, 29 January 2014 16:04 |
k2gkk
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Don't you have to have the Kill-a-Watt connected BETWEEN the outlet and the device to be tested?? That's the only way I can see that current (measured in series) being used can be converted to Watts.
My guess is that the K-A-W indicating 25W is defective.
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~~ ~ D C "Mac" Macdonald ~ ~~
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~~ k2gkk @ hotmail dot com ~~
~ ~ USAF and FAA, Retired ~ ~
~ ~ ~ Oklahoma City, OK ~ ~ ~
~~ ~ ~ "The Money Pit" ~ ~ ~~
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> To: gmclist@temp.gmcnet.org
> From: dao@oarsllc.com
> Date: Wed, 29 Jan 2014 15:49:54 -0600
> Subject: Re: [GMCnet] Kill-o-watt device overhead?
>
>
>
> Just checked mine, which is plugged into the bathroom outlet of the coach with nothing plugged into it (coach is plugged into shore power). Reads 119 volts, 60hz, zero watts.
> --
> 1976 Royale "Twinkie II", 1978 Palm Beach with front end fire. Lynnwood WA - "We may not be able to stop all evil in the world, but I know that how we treat one another is entirely up to us."
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| Re: [GMCnet] Kill-o-watt device overhead? [message #238009 is a reply to message #237998] |
Wed, 29 January 2014 19:11 |
jhbridges
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Registered: May 2011
Location: Braselton ga
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If that's the case, it's busted :)
--johnny
________________________________
From: Robert Mueller <robmueller@iinet.net.au>
To: gmclist@temp.gmcnet.org
Sent: Wednesday, January 29, 2014 7:00 PM
Subject: Re: [GMCnet] Kill-o-watt device overhead?
Johnny,
The Kill-A-Watt should read zero (0) when plugged into a wall socket and nothing is plugged into it:
http://www.youtube.com/watch?v=1l_mo1jwh8Y
Regards,
Rob M.
Sydney, Australia
-----Original Message-----
From: Johnny Bridges
I'd take that to be the power burn of the instrument itself, so you'd subtract it if you wanted to know the power use of whatever is
oplugged into it; or you'd use the total if you wanted total load on the outlet into which the Kill-O-Watt is plugged.
--johnny
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Foolish Carriage, 76 26' Eleganza(?) with beaucoup mods and add - ons.
Braselton, Ga.
I forgive them all, save those who hurt the dogs. They must answer to me in hell
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| Re: [GMCnet] Kill-o-watt device overhead? [message #238045 is a reply to message #238009] |
Wed, 29 January 2014 23:41 |
John Olson
Messages: 96
Registered: August 2013
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Thanks for all the helpful responses. the KoW reading 25w, not the expected
zero, was very perplexing to this electrical novice.
Defective unit is as good an explanation as I've found in periodic google
searches, which gave no resolution, mostly just instructions for how to use
it.
Well, the energy survey I conducted with it a while ago is still usable in
a general sense...I'll just chalk up the 25w to extra fudge factor. Plus
we'll be able to check those figures against what the LinkPro reads.
Linkpro in our GMC displays at-the-moment current draw in Amps. To get a
general sense of watts, would I multiply Amps by 12 or 10?
John Olson
76 Edgemont
Chicago, IL (currently in AZ, avoiding the polar vortex)
On Wed, Jan 29, 2014 at 6:11 PM, Johnny Bridges <jhbridges@ymail.com> wrote:
> If that's the case, it's busted :)
>
> --johnny
>
>
>
> ________________________________
> From: Robert Mueller <robmueller@iinet.net.au>
> To: gmclist@temp.gmcnet.org
> Sent: Wednesday, January 29, 2014 7:00 PM
> Subject: Re: [GMCnet] Kill-o-watt device overhead?
>
>
> Johnny,
>
> The Kill-A-Watt should read zero (0) when plugged into a wall socket and
> nothing is plugged into it:
>
> http://www.youtube.com/watch?v=1l_mo1jwh8Y
>
> Regards,
> Rob M.
> Sydney, Australia
>
>
> -----Original Message-----
> From: Johnny Bridges
>
> I'd take that to be the power burn of the instrument itself, so you'd
> subtract it if you wanted to know the power use of whatever is
> oplugged into it; or you'd use the total if you wanted total load on the
> outlet into which the Kill-O-Watt is plugged.
>
> --johnny
>
> _______________________________________________
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John Olson
76 Edgemonte
Fulltime traveler
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| Re: [GMCnet] Kill-o-watt device overhead? [message #238046 is a reply to message #238045] |
Thu, 30 January 2014 00:00 |
A Hamilto
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Registered: April 2011
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| John Olson wrote on Wed, 29 January 2014 23:41 |
...Linkpro in our GMC displays at-the-moment current draw in Amps. To get a general sense of watts, would I multiply Amps by 12 or 10?...
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12 generally. But battery voltage can vary from more than 13 to less than 11, depending on its state of charge.
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