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怎样判断电磁炉5uf电容的好坏
更新时间: 2020-07-06 00:00:00  

1、万用表检测法。对于O.01μF以上的固定电容器。可用万用表的R乘以1千挡直接测试电容器有无充电过程以及有无内部短路或漏电,并可根据指针向右摆动的幅度大小估计出电容的容量。测试操作时,先用两表笔任意触碰电容的两引脚,然后调换表笔再触碰一次,如果电容是好的,万用表指针会向右摆动一下,随即向左迅速返回无穷大位置。电容量越大,指针摆动幅度越大。如果反复调换表笔触碰电容两引脚,万用表指针始终不向右摆动,说明该电容的容量已低于0.01μF或者已经消失。测量中,若指针向右摆动后不能再向左回到无穷大位置,说明电

关键词: 怎样 判断 电磁 5uf 电容 好坏

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