New Watt and Watt-hour Meter Calibrator Measures Power Accuracy to 0.005% and Energy Accuracy to 0.015% Waltham, Mass.—Rotek Instrument Corp. announces the release of the Rotek Model MSB100, a new ...

You almost never hear of a DC Watt Meter – one just does some mental math with Volts and Amps at the back of one’s head. An AC Watt Meter, on the other hand, can by pretty useful on any workbench.

An evaluation board from STMicroelectronics is able to speed up design of 3-phase AC Watt meters that meet the most stringent international quality and accuracy standards. It's been able to do this by ...

I'd like to monitor the amount of power (in watts) going into my speakers. I'm not concerned about over driving them or anything, I'm just curious how much power I'm actually using. I connected a volt ...