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艾米同志请帮我看一下这台汉泰2D72手持式示波表的真假

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Post time 2021-1-5 10:55:53 | Show all posts |Read mode
Edited by 李继春 at 2021-1-7 10:42

我拆开里面我全部拍了,我根本就说不清到底是有问题还是就这样!我是从闲鱼上购的汉泰2D72,所以很不放心。存在的问题就是电容档1UF以下很正常,1UF以上到10UF整体偏小30%,11UF到100UF直接就是胡乱给个很不靠谱的数字。示波表部分,查看1M以下方波很正常,1M以上方波严重失真变形,10MB方波基本上就变成了锯齿波。几天后我用前几年购的汉泰DSO1202B测试一下2D72信号发出的10MB方波,同样也是失真的,这说明2D72信号发生器方波不能到十兆,只能是一兆。




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Post time 2022-1-27 23:19:54 | Show all posts
我的电容也是测不准
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