kWh Metering [RE-wrenches]

[William Miller]

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Travis:

As far as I know, the meter is accurate, until you feed backwards through 
it.  The momentary net reading is probably accurate, but the cumulative 
value will be wrong after back feeding.

The sensors are too large to fit in my M/M/Combo panel in the customer 
side.  Remember, you have the utility side and the customer side all in 
14-1/2" of width.  Add several dozen leads for branch circuits in the 
customer side and there is little room for the CT sensors.

Otherwise, this is a nifty little device.  I fear the upgraded unit will be 
expensive and delayed....

William


At 03:33 PM 1/5/2008, you wrote:

>My apology, I should have mentioned that "little" detail.  We've mostly used
>them for off-gridders so that didn't even occur to me to mention that don't
>read both ways.  Good to hear they are coming out with a product to resolve
>that issue.  Even on the grid tied jobs they provide a tremendous value.
>
>William, you're not implying they are inaccurate, right?  I actually found
>them to be very accurate especially for a product in that price range.  Can
>I'll assume what you're saying is they aren't accurately telling the whole
>story since they can't read both ways, right?
>
>I'm not following you about installation constraints in the "meter combo". I
>suspect we have a different MDP /metering arrangement then you do as I've
>always had plenty of room.
>
>Bottom line to me is that it's a "whole house" Kill-A-Watt meter for less
>then $150 that can be installed in minutes.  I think that a TED or similar
>product should be installed for at least 6 months before someone installs
>solar.  Educational value as it relates to conservation of this type of
>device should frequently be staggering.
>
>Keep you head down out there!
>
>Travis Creswell
>Ozark Energy Services


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