If your goal is to save on electricity, you must first measure the ac current flowing through your appliances. The formula for power is the product of the ac line voltage and the measured current.

Suited for highly accurate ac power measurements, the series 66200 digital power meters uses internal 16-bit ADCs to provide precision sampling at rates to 240 kHz. Units employ a dual-shunt design ...

[Renaud] built a AC power meter from scratch. While commercial power meters like the Kill A Watt are available [Renaud’s] build gives an interesting insight into the methods used. At the heart of ...

Saelig Company, Inc. has introduced the GW Instek GPM-8213 AC Power Meter, which has been designed specifically for power measurements on single-phase AC power supplies. This instrument offers ...

Newnan, GA. Yokogawa Meters & Instruments Corp. has announced that it has developed the LS3300, an AC power calibrator that can accurately and stably produce a wide range of AC power outputs for the ...

When new hire Bill Harmon joined the team, he brought with him a new way of testing power at the socket level. There are several ways measure power at the plug, and we have explored a few. Raritan's ...

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 PM110 from Satec Powerful Solutions is a compact, panel-mounted single-phase AC Powermeter, measuring up to 25 parameters. The front panel features a bright digital LED as well as a LED bar graph ...