天气预报 > 其他 > 电子万用表不显示了是不是没电了
电子万用表不显示了是不是没电了
更新时间: 2020-10-26 00:00:00  

打开万用表后盖,卸下电池,按照同型号购买,只要万用表没有问题则会恢复正常。 数字万用表一般损坏大部分都是用电流档或者电阻档误测较高的电压,造成短路烧毁元件,一般都表现为表内线路板有电弧放电的痕迹,保险管熔断甚至炸毁,此类故障的表修复价值较小,鉴于目前数字万用表价格较低,可以选择报废处理。

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