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device to increase the measuring accuracy and wattmetrischer instruments reglerzur continuous direct reading and setting the effective and reactive power, in between the current and the measured effective or blindkomponente of electricity a large phase difference is present
device to increase the measuring accuracy and wattmetrischer instruments reglerzur continuous direct reading and setting the effective and reactive power, in between the current and the measured effective or blindkomponente of electricity a large phase difference is present