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Thanks. How does calibration work please ?

Open allotmentearthy opened this issue 8 years ago • 2 comments

Hello, Wonderfull stuff. Thanks

I can make it work. Out of factory readings are very far from 220V So I changed vgain

Nevertheless I saw there was a calibration command What are the units of vtarget and itarget ?

Start EMeter Calibration{"emeter" "start_calibration" "vtarget":13462,"itarget":16835}}}

I am guessing the two values should be those known from a device that does draw vtarget volt and itarget amps exactly ? And then vgain and igain would be set automatically ?

Example above is confusing since 13462 is the same value as vgain value in ´´the manual´´, and 13462 is like 1.3462 that is a diviser to adjust the voltage

Thanks

allotmentearthy avatar Nov 09 '17 21:11 allotmentearthy

I am also interested in this. Anyone?

Zibri avatar Jan 19 '22 15:01 Zibri

About 220v.. usually the real voltage of outlets it's between 230 and 240... mine here is 227.. but in other places is as high as 235

Zibri avatar Jan 19 '22 15:01 Zibri