Measurement of average power in a 60Hz circuit (equivalent to V RMS × I RMS × cos(ø)) can be done by sampling the product of voltage and current and averaging. This requires four quadrant ...

Line power measurements are commonly required to evaluate the performance of devices or circuits. Modular digitizers, coupled with appropriate voltage and current probes can make these power ...

Yokogawa Test & Measurement Corporation has announced its new 720252 1MS/s 16-bit isolation module, featuring wide-range DC offset-adjust capability, and the 720301 power measurement module, ...

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.

The demand to increase energy efficiency in electrical products is driving the development of more accurate measurement instruments. Modern instruments now can quantify incremental gains made as ...

For the PDF version of this article, click here. In 1776, Scottish economist Adam Smith introduced the concept of division of labor and specialization, concluding that it is in the economic interest ...

Focusing on power calibration to deliver quality results at a reasonable cost Yokogawa Meters & Instruments Corporation announces that it has developed the LS3300, an AC power calibrator that can ...

Yokogawa introduces two new measurement modules, the 720252 isolation module and the 720301 power measurement module.

Intended for reliable and comprehensive calibration of power meters, the LS3300 Precision AC Power Calibrator outputs highly accurate and stable power calibration signal, which now include harmonics, ...

Danisense, a provider of high-accuracy current sense transducers for demanding applications, is introducing its MK500ID, its ...

Yokogawa Test & Measurement has introduced two new modules for data acquisition systems: the 720252 isolation module and the ...

If you want to measure voltage you reach for a voltmeter. Current? An ammeter. Resistance? An ohmmeter. But what about measuring AC power? A watt meter? Usually. But if you know what to do, you could ...