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怎么用数字万用表测电容正负极
更新时间: 2020-09-21 00:00:00  

用万用表电阻档测电容的正反电阻,电阻大的为正向,电阻小的为反向。

1、在测量前用电阻或导线将电容上可能残留的电放尽。

2、由于测量时是对电容的充电,电容的充电有个过程,所以读数要到显示基本稳定时读取。

3、数字万用表的黑笔是负极,红笔是正极。

关键词: 怎么 数字 电容 负极

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