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怎么用万用表测继电器

更新时间: 2020-11-06 00:00:00     

如果你用万用表测量,档位打到电阻档×1K就可以了,常闭出点是2点直通,常开触点是2点不通,按下热继电器的按钮,常闭会断开,常开会直通。热继电器本身一般都有数字表示哪个是常闭哪个是常开

关键词: 怎么 继电器

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