| 摘要 |
PURPOSE: A small sized power meter device for home use is provided to control the use of a device which consumes power. CONSTITUTION: A plug(11) is connected to a power source. A receptacle(12) is connected to the plug of each electric device. A detecting sensor senses a current or a voltage which are inputted from a power source. A microprocessor converts a detected value into a set value. A display device(13) indicates a value transferred from the microprocessor. |
