What is the standard equipment to measure electrical energy consumed?

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Srinivasula Reddy A

you may refer to "Energy Meter calibration methods", which can be used an alternate method for energy measurement.

Bhupendra Desai

Cheapest, would be by measuring current, as power factor(0.8 lag) and voltage (110V) of system are almost constant. (W=V.I.Cos(phi)). E=W.t.

Nammalvar Pachaivannan

Digital energy meter is the only & easy available in the market for measuring device for energy.

Sunita Smiley

thank you all for your replies.