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

[David_Jiang]

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, 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?

Message Edited by David_Jiang on 05-06-2010 01:00 PM

[AnalogKid2DigitalMan]

I did not look at your code, but have you set the resolution to 4 1/2 digits? That is where the max sampling rate is specified for.

-AK2DM

[David_Jiang]

the 28 samples per second is on 4 1/2 digits. If I set it to 6 digits, it only can do less than 10 samples per second.

[James@Home]

Have you tried this example?

...\examples\instr\niDMM\Multi Point Measurements\Cont Acq & Chart Multiple Samples.vi