| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electronic wattmeter which can deal with a variety of contract menus, which can easily collect information, and in which the collected information is also accurate. <P>SOLUTION: The electronic wattmeter, having a wattmeter body 5, provided with a voltage/current measurement means 1 for measuring voltage and current, and a transmission part 13 for transmitting to the outside the measured value, based on the measured voltage value and the current value, is provided with a display terminal 17 which is separately provided from the wattmeter body 5, which receives the measured value transmitted from the transmission part 13 to perform the conversion into information on the use condition of electric power, and which is constituted so as to be capable of displaying the information. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
