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 ...

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 ...

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 ...

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 ...

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.

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 ...

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.

VICTORIA, BC (January 15, 2002) - The University of Santo Tomas (UST) in the Philippines has introduced its new state-of-the-art electrical substation with a formal, on-campus inauguration ceremony.

TAIPEI, Taiwan--(BUSINESS WIRE)--Extech Electronic Co. (EEC) introduces the next generation in clean, stable, and reliable power sources for testing newly designed electronic products and prototypes— ...