| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power measuring device capable of setting a direct current offset compensation operation individually for plural input systems. <P>SOLUTION: A power measuring device includes: input parts of plural systems that convert input voltage and current into digital signals and output the converted digital signals; a calculation part that calculates and stores voltage value, current value, and power value based on the converted digital signals output from the input parts; and a CPU part having direct current offset compensation means that carries out direct current offset compensation individually for the plural systems of the input parts. <P>COPYRIGHT: (C)2012,JPO&INPIT |
