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How to achieve USB-4065 max sampling rate 3kS/s?

We bought a USB-4065 DMM to monitor/record our system DC current, and it works. However, I need to do the sampling at its max spec rate, which is 3kS/s. My code is based on the “measure DC current.vi” example, I put "step 3" in a while loop with no time delay, but the max sampling rate I can get is only about 28 samples per second (way below the spec). How can I achieve its max sampling rate 3kS/s?

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Duplicate post, discussion continued here:

 

http://forums.ni.com/ni/board/message?board.id=170&thread.id=496784

 

-AK2DM(M)

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"It’s the questions that drive us.”
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