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什么叫電表校準?

2014-10-23

  標稱誤差指的是電表的讀數與準確值的差異,包括電表在構造上各種不完善因素引入的誤差。為了確定標稱誤差,用改裝電表和一個標準電表同時測量一定的電流或電壓,從而得到一系列的對應值,這一工作稱為電表的校準。

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