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用电表测地线方法
更新时间： 2021-02-15 06:32:52  

1、将电表打动欧姆档最大档位上，然后将红笔和黑笔分别接在所测线路两端。

2、如果线路为通，你们电阻值一定很小，如果线路断路那么测出来的电阻非常大，电阻值为几百千欧甚至兆欧。

3、也可以将档位打到标有二极管的位置，如果电路接通则电表会发出蜂鸣声，否则为断开。

关键词： 电表 地线 方法

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