You may be familiar with the Kill-a-Watt power meter. It plugs into an ac outlet and allows you to measure the Watts or VAC used by appliances powered from that outlet. It pretty much dominates the ...

Lexington, Mass&#8212STMicroelectronics' STPM01 incorporates all of the core circuitry required to serve as a single chip electric (AC mains) energy/power meter in the simplest low-end equipment or as ...

SATEC, a supplier of monitoring instrumentation and software serving commercial/industrial and electric utility applications, introduced the PRO Series of revenue-grade energy meters. This advanced ...

If your goal is to save on electricity, you must first measure the ac current flowing through your appliances. The formula for power is the product of the ac line voltage and the measured current.

Electrical distribution utilities are facing problems due to high energy losses that amount to 8% of the total generation. 4% of the losses are unaccounted. The problem is mainly associated with ...