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万用表怎么测通断

更新时间: 2020-10-28 00:00:00     

把万用表的档位打到蜂鸣档,然后红黑表笔碰一下,如果万用表有蜂鸣声说明这个档位正常。然后红黑表笔各接触被测点一端,如果有蜂鸣声就说明断路,反之则为通路。

万用表又称为复用表、多用表、三用表、繁用表等,是电力电子等部门不可缺少的测量仪表,一般以测量电压、电流和电阻为主要目的。万用表按显示方式分为指针万用表和数字万用表。

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