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指示灯怎样测量好坏
更新时间: 2020-10-05 00:00:00  

不同的指示灯测量好坏的方法不同。

测量用LED发光二极管制作的指示灯的好坏方法为:使用数字万用表二极管档测量,当表的正、负极与测量的发光二极管正、负极连接时,发光二极管如果亮,说明是好的,不亮说明已经损坏。

测量一般灯泡的指示灯好坏方法为:使用万用表欧姆档测量,通并且有一点电阻是好的,不通或者电阻非常大,可能已经损坏了。

关键词: 指示灯 怎样 测量 好坏

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