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.

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 ...

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 ...

A coin-operated "pre-payment" watt-hour meter for single-phase power. Ratings label reads: "Single-phase Watthour Meter / No. 12708274 Type IP5 Cyc 60 / Amp. 5 Volts 110 2 wire / General Electric Co., ...

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 ...

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 ...

Over the years, engineers have developed many definitions for measuring power with distorted voltages and currents. However, none of these definitions successfully characterize all of 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 ...