Inverter meter reliability [RE-wrenches]

[John Raynes]

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Ian,

Agreeing with what other have said here (i.e., inverter meters tend to be 
somewhat inaccurate, and also biased in the manu's favor):

It's kind of like shooting inaccurately at a target, being off to the left 
but with a lot of random scatter.  Occasionally, random scatter shots are 
going to fall very close to target.

John Raynes
RE Solar


At 08:02 AM 5/28/2008 -0700, you wrote:


>I'm surprised to see that a Sunny Boy 4000 that we installed this spring 
>is tracking the utility's digital production meter very closely. 
>Yesterday's cumulative reading was 629 on the utility meter (resolution is 
>whole numbers) and 628.7 on the inverter.
>
>Ian
>


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