Instrument Control (GPIB, Serial, VISA, IVI)

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smu 236 incorrect output




I am using a Kiethly 236 SMU to measure IVs this normally works fine, but appears to have an intermittent fault.


Sometimes when performing a series of measurements the first outputted current file is correct, however all subsequent files give the same dataset with a random offset. Restarting the pc seems to resolve the issue.


I have recently discovered that a colleague has been altering the pc date and time settings, could this somehow account for the incorrect data?


Any help or ideas would be gratefully received.



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What programming environment are you using?

I don't beleive the time and date have soemthing to do with this but you mention a current file. Is that file still correct or is there no change when a new file should be selected.


If you are programming in LabVIEW add the program so we can see what is going on.

greetings from the Netherlands
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Hi Ian098,


Thanks for bringing this to our attention. As Albert.Geven has mentioned, we'll need to see the code you are using to help evaluate what may be causing the fault. Code you possibly post a screenshot or the actual code.


Best Regards,



Application Engineer (CLAD)
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