A group of Dutch scientists have been testing out some of today’s “smart” electrical meters to check their accuracy, among other things. Not ones to disappoint, the scientists have found ...

Image Credit: Allied Electronics, Inc. | Fotronic Corporation / Test Equipment Depot | OMEGA Engineering, Inc. Clamp meters are ammeters that can measure current without the need to disconnect the ...

If you want to measure AC or DC current with an oscilloscope, a current clamp is a great way to do it. The clamp surrounds the wire, so you don’t need to break the connection to take your ...

There are four basic types of products: diaphragm or bellows meters rotary meters turbine meters clamp-on meters Diaphragm meters, or bellows meters, consist of two chambers that expand and contract ...

Energy bills are a growing concern. Many of us are making changes to our energy usage to keep our bills as low as possible, with smart meters ‒ which display how much energy we're using ...

Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. Reviews ethics statement ...

Do you share a special connection with someone? Is he or she your special person? This Love meter will help you find out. This is a simple Love Calculator which displays love percentage based on names ...

Get the power of Which? in your pocket by downloading our app, giving you on-the-go access to our reviews ...

Almost four million smart meters in Great Britain were not working at the end of 2023, according to government data. Faulty meters can mean customers rely on estimated bills, with some paying too ...

As part of a nationwide roll-out, every home in Britain should be offered a smart meter from their energy supplier by the end of 2025. But what is a smart meter and how do they work? Here's ...

Billpayers have been urged to give an accurate meter reading as gas and electricity price rises take effect. A household in England, Wales and Scotland using a typical amount of gas and ...

Tesla has released a new mobile app update that adds more offline functionalities, Powerwall power meter, and more. Today, Tesla pushed a new Tesla app update to the Apple app store and the ...