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Off Subject-Power meter calibration

 
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bbradburry(at)allvantage.
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PostPosted: Sun Jan 22, 2006 2:17 pm    Post subject: Off Subject-Power meter calibration Reply with quote

Sorry about being off subject, but does anyone know how the power meter on a
residence could be checked for calibration? The power company tells me not
to worry...The meter is correct...HA!
I am pretty certain that is not true.

Also I wonder if the new radio reporting meters can have their calibration
changed via radio???

Thanks for any assistance..

BB Shott from Vinita


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bob(at)bob-white.com
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PostPosted: Sun Jan 22, 2006 2:49 pm    Post subject: Off Subject-Power meter calibration Reply with quote

* Get 10 140 ohm 150W resistors
* Wire them in parallel so that you can plug them into a 120V outlet
* turn off everything in the house (Make sure the wheel below the dials
is not moving at all.
* Plug in your resistor array.
* Wait an hour and see if the dial has moved by one kilo watt-hour.

You will be pulling about 8.5 Amps, so any 15A circuit should be OK.

Don't electrocute yourself, and remember those resistors will get HOT.
Each resistor is dissipating 100 watts. You could also use 10 100 watt
lamps, or if you don't mind waiting longer one 100 W lamp will give you
1 KWH in 10 hours.

Bob W.

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On Sun, 22 Jan 2006 17:23:22 -0500
<bbradburry(at)allvantage.com> wrote:

Quote:


Sorry about being off subject, but does anyone know how the power meter on a
residence could be checked for calibration? The power company tells me not
to worry...The meter is correct...HA!
I am pretty certain that is not true.

Also I wonder if the new radio reporting meters can have their calibration
changed via radio???

Thanks for any assistance..

BB Shott from Vinita

















--
http://www.bob-white.com
N93BD - Rotary Powered BD-4 (first engine start 1/7/06)
Custom Cables for your rotary installation -
http://www.roblinphoto.com/shop/


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brian



Joined: 02 Jan 2006
Posts: 643
Location: Sacramento, California, USA

PostPosted: Sun Jan 22, 2006 7:44 pm    Post subject: Off Subject-Power meter calibration Reply with quote

bbradburry(at)allvantage.com wrote:
Quote:


Sorry about being off subject, but does anyone know how the power meter on a
residence could be checked for calibration? The power company tells me not
to worry...The meter is correct...HA!
I am pretty certain that is not true.

Turn off everything in your house (best to just open all the breakers)
and then plug in a known resistive load like a big heater into the one
circuit you leave on. Check its current draw with a clamp-on ammeter.
Measure your voltage and let the heater run for a known amount of time.
Figure watts (V*A) and multiply by time in hours. Divide by 1000 and the
result is KWH. Your meter reading and your calculations should be the same.

--
Brian Lloyd 2243 Cattle Dr.
brian-yak at lloyd dot com Folsom, CA 95630
+1.916.367.2131 (voice) +1.270.912.0788 (fax)

I fly because it releases my mind from the tyranny of petty things . . .
- Antoine de Saint-Exupery


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I fly because it releases my mind from the tyranny of petty things . . .
- Antoine de Saint-Exupery
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BigD(at)DaveMorris.com
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PostPosted: Mon Jan 23, 2006 7:14 am    Post subject: Off Subject-Power meter calibration Reply with quote

If you think it's not calibrated because you got an astronomically high
electric bill last month, join the crowd.

Dave Morris

At 04:23 PM 1/22/2006, you wrote:
Quote:


Sorry about being off subject, but does anyone know how the power meter on a
residence could be checked for calibration? The power company tells me not
to worry...The meter is correct...HA!
I am pretty certain that is not true.

Also I wonder if the new radio reporting meters can have their calibration
changed via radio???

Thanks for any assistance..

BB Shott from Vinita




- The Matronics AeroElectric-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?AeroElectric-List
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