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15问答网 > 绝缘电阻测试仪和接地电阻测试仪三者有什么区别，一般干嘛用的，谢谢！

绝缘电阻测试仪和接地电阻测试仪三者有什么区别，一般干嘛用的，谢谢！

2025-04-02 03:49:49

推荐回答（1个）

回答1：

绝缘电阻测试仪用来测试两个导体之间的绝缘电阻的大小。通常被测量的电阻值很大，比如1兆欧以上。
接地电阻测试仪用来测量埋在地下的接地极（板）与大地之间的接触电阻。被测量的电阻值一般很小，比如在20欧姆以下。
两种传统的测试仪在外形上很相似，都有一个摇柄和指针式显示窗。

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