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基线漂移的问题

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Post time 2020-6-11 02:29:20 | Show all posts |Read mode
请问基线漂移的问题能否解决呢?
在双通道500mV档,特别明显,无法通过自校正解决,固件版本已经升级为最新了。
序列号CN19380072016367。请问是否需要返厂标定?
这是刚刚自校正后的状态如图:


单通道模式下会好一点,或者双通道非500mV档位会好一点,但也会漂移1格





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 Author| Post time 2020-6-11 02:33:37 | Show all posts
示波器未连接任何探头,上图为直流模式,设置为交流模式,漂移量不会有改变,接地模式下能回零

下图为交流模式

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Post time 2020-6-17 16:57:13 | Show all posts
如果拔掉USB线,偏移会变小吗?另外请看一下时基1us下是否有偏移。
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