Digital utility meters, Bidirectional? [RE-wrenches]

[Ron Schroeder]

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Hi Carl,

Many electronic meters have a little bar graph near the bottom.  There are 
little blocks that go left or right depending on the direction of power. 
There are also usually two triangles pointing left or right depending on the 
power flow direction.  If there is a triangle above or below the bar graph, 
that is for Leading or Lagging power factor.

Ron Schroeder
NABCEP Certified PV Installer

----- Original Message ----- 
From: "Carl Hansen" <Solarwks at cybermesa.com>
To: "Wrenches" <RE-wrenches at topica.com>
Sent: Monday, October 08, 2007 7:42 PM
Subject: Digital utility meters, Bidirectional? [RE-wrenches]


>
> Except thru possibly patient observation, how would one know whether a 
> given DIGITAL utility meter is in theory spinning backwards or may be 
> recording a solar back feed as  consumption by the household.  I realize 
> there are many manufacturers of utility meters but any info would be 
> helpful.
>  This meter in question is located in New Orleans LA.
>  Thanks
>    Carl
>    Hansen&Sun Elect. 


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