metering solar irradiance [RE-wrenches]

[Windy Dankoff, Dankoff Solar]

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>Greetings Wrenches,
>
>I'm thinking about buying a "Daystar hand-held solar meter" 
>(http://www.zianet.com/daystar/SolarMeter.html).  Any experience 
>with these meters or recomendations for other portable meters in 
>this ($130) price range appreciated.  This would only be used to 
>measure array performance during routine maintanence/inspection, not 
>high tech data gathering.
>
>Thanks much -- Kurt Nelson


The Daystar works great for me. I use it when I test pumps on real PV 
power. The sensing device is a crystalline silicon cell, so I presume 
it tracks the performance of most PV arrays fairly well.

I think it's a great tool for the installer, to test or demonstrate 
system performance under <100% sun conditions.

Windy

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