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怎样用万用表测量保险是否烧断
更新时间: 2020-07-06 00:00:00  

测量方法如下:1、取下保险;

2、若万用表具有蜂鸣器档,则将档位旋转至该档,若通则蜂鸣器将发出鸣响,若烧断则没有反应了;

3、若万用表不具有蜂鸣器档则使用万用表最小的电阻档位测量,若阻值很小则正常,若示数无变化则为烧断;

4、注意测量电阻时不能带电测量且双手不能同时触及红黑表笔。

关键词: 怎样 测量 保险 是否

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