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why is the average current i fetched from scpi command is different from what i saw in display panel?

Question asked by cmnewfan on Sep 17, 2020

 i use this command (FETC:DLOG:CURR? (@1)) to fetch average current value, but it is always different from what i see in display panel.

 

Sometimes i fetched more than one time, and the returned values are different from each other.

 

Is there something wrong, or it is just the common case?

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