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.

This new application report describes the implementation of a three-phase electronic electricity meter using the Texas Instruments MSP430F677x metering processor. This application report includes the ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Growing up, one of my father’s catchphrases was, “Turn off the lights when you leave a room; we’re not ...

Hackers love to monitor things. Whether it’s the outside temperature or the energy used to take a shower, building a sensor and displaying a real-time graph of the data is hacker heaven. But the most ...

A watt meter is a handy little device used for measuring the power in watts of any given circuit. Oftentimes you can find power meters in residential areas for determining the energy consumption and ...

General Electric type I-70-S kilowatt-hour meter, residential electric induction meter for measuring power used by consumer. Unit removed from service in 2016 as part of a project to upgrade SMECO’s ...

Landis & Gyr type MS kilowatt-hour meter, residential electric induction meter for measuring power used by consumer. Unit removed from service in 2016 as part of a project to upgrade SMECO’s system to ...

Maybe the electric utilities are right, for a change. Maybe net-metering—the ability to run your kilowatt-hour meter backwards, with solar panels on your roof or a windmill in your backyard–is not the ...

The watt hour meter measures the total energy supplied from the mains supply. For experimental convenience it is replaced by an indicating watt meter that indicates the instantaneous rate of energy ...