Topic | Rogue minus sign with Real Power measurement (AC line voltage)?

Home Forums Mooshimeter Support Rogue minus sign with Real Power measurement (AC line voltage)?

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      Jeremy
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      Hey all – has anyone else notices that the Real Power measurement, when on AC current (internal shunt) and AC voltage (such as measuring power to a AC appliance, where AC current is measured on the neutral wire, AC voltage measured to the Live wire) seems to have a rogue minus sign?

      I double checked my connections, since AC current and voltage are RMS, they are always positive on the display. In graph/buffer mode, when the voltage and current are clearly 180 out of phase, the Real Power is positive; when V and I are in phase, it reads negative — opposite of what they should be.

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