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Polyphase Electronic Energy Meters features maxiumum current voltage of 20, 40, 60, 80 and 100. The frequency range includes - 50 +/-10%. EMCO Limited produces polyphase electronic energy meters. In a polyphase electric energy meter, voltages of the phases of a polyphase alternating power to be measured are utilized to subject an input pulse signal. It has a sensing circuit for sensing one or more values of a waveform, a memory having a memory bus and a digital signal processor coupled to the memory for calculating at least one parameter value.
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