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怎样知道电表准不准
更新时间: 2020-10-05 00:00:00  

方法主要有有两种,一种是送去技术监督局效验电表,另一种是自己判断,方法如下:

观察电表面盘上脉冲指示灯闪烁情况:切断家里配电箱内总开关或拔掉家里所有电器设备插头,确定在没有设备用电后,观察电表面盘上脉冲指示灯闪烁情况,一般在10分钟之内没闪烁或只闪烁1次,电表运行正常,若指示灯多次闪烁,电表运行不正常;抄录电表显示的总电量、峰电量和谷电量数值计算判断,在同一时间内抄录电表显示的总电量、峰电量和谷电量数值,如峰电量与谷电量相加后的数值与总电量相等时,电表计量正常,反之不正常。

关键词: 怎样 知道 电表 不准

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