Utility power meters often must rely on a current transformer for polyphase applications. Current transformers have drawbacks, however. They are relatively expensive and require additional copper ...

[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 ...

Smart power meters can be used to show your real time electricity consumption, help with load management and transformer monitoring, and power monitoring. Smart power meters can save you time and ...

With the ever-rising cost of electricity, we’re all getting increasingly sensitive about how much power our computers, televisions, appliances and other doohickeys are using — not just when we’re ...