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.

"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 ...

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 ...

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 ...

A device available for check out at the Dubuque County libraries can help homeowners measure electricity usage for individual devices. This device is called a Kill A Watt meter, and its availability ...

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 ...

Estimate how much juice your PC is using with a quick calculator, or measure it with a cheap power. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Japan-based accessory specialist Sanwa Supply hasn’t reinvented the wheel with their newest device [JP], but this power strip, which features an integrated wattage meter, doesn’t look like a bad idea.

Local residents who have ever wondered exactly how much electricity is gobbled up by their household appliances now have a way to find out: Head to the local library. Libraries throughout Santa Clara ...