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POWER MEASURING DEVICE, POWER MEASURING METHOD USING THE SAME, AND INSTALLATION METHOD AND SALES METHOD FOR POWER SAVING DEVICE
POWER MEASURING DEVICE, POWER MEASURING METHOD USING THE SAME, AND INSTALLATION METHOD AND SALES METHOD FOR POWER SAVING DEVICE
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机译：功率测量设备，使用该功率测量设备的功率测量方法以及功率节省设备的安装方法和销售方法
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摘要
PROBLEM TO BE SOLVED: To provide a power measuring device and a power measuring method using the device capable of easily measuring the power-saved power of electrical equipment during user by measuring working power during power saving and working power during non-power-saving, and computing the power-saved power from the measured result, and provide an installation method and a sales method for a power saving device.;SOLUTION: This power measuring device has an input side connector detachable from an input side cable of a main breaker; an output side connector detachable from an output side cable of the main breaker; a power measuring part for detecting a voltage and a current between the input side connector and output side connector and measuring power consumption on the basis of the voltage and current; a voltage drop part changeable between a path for applying the voltage from the input side connector as it is to the output side connector and a path for applying the voltage from the input side connector to the output side connector after dropping the voltage; and a changeover switch that can maker or cut off power from the input side connector to the output side connector.;COPYRIGHT: (C)2002,JPO
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