Hi,
Is there any information about the accuracy of internal voltage and current measurements of the PV and load output (if present)?
Ta,
A
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@artyb, I'm assuming that you're asking this question about MPPTs? From personal experience, Victron's MPPTs are generally within a few hundredths of a volt of perfectly accurate, at which level of measurement one can begin to question the accuracy of any device; I use my Fluke as my primary DMM and take it on faith that it is accurate, and from there I determine that most MPPTs I see cross my test bench are within a few hundredths.
Of course, one expects to see some variation in battery voltage measured at the battery and battery voltage measured at the MPPT terminals, since there is frequently a degree of voltage loss along the way, depending on cable run length and any devices in between such as breakers or fuses that may add minuscule levels of resistance.
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