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Watt-hour meter - 1:

Watt-hour meter - 1:
Since low energy consumption of domestic appliances benefits your bank account as well as the environment (provided that their production is also economic and environment-friendly), the watt-hour meter, which can monitor the energy use of many appliances, will be of interest to many. Even if current and voltage are not sinusoidal, or out of phase with one another, the meter determines the use of energy accuractely.
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