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万用表不能机械调零

更新时间: 2020-09-18 00:00:00     

万用表不能机械调零的修理方法:打开表上盖,可看到指针,动圈,游丝等,游丝的外环终点焊在一下垂立柱上,和下垂立柱上部是一可转动的环,环于尾部有叉的片联动,调零就是左右拨动有叉的片,表盖上有调零钮,调零钮下部有一偏心突出,偏心突出应插在有叉片的叉里。如脱离则不能机械调零。使其复位即可。

关键词: 机械

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