Digital Multimeters (DMMs) and Precision DC Sources

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pxi-4070

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I have been trying to measure the voltage of the PWM signal shown on a PXI-4070 DMM with no success.  I keep getting NaN (overange)

I tried measuring on the DMM soft front panel but I get the same thing , overange

I think the waveform is within the DMM limits for freq and voltage

Any ideas ?

Thanks, Ross

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What are your DMM settings? Have you tried digitizer mode to see if you are measuring everything you expect?

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Im not familiar with digitizer mode.  Would you please point to documentation for 4070 digitizer mode

Thanks, Ross

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Accepted by topic author roscoe1088

Here is a white paper on digitizer mode. If you are using LabVIEW there are also a couple examples to help get you started:

 

sherlockholm_0-1589902163189.png

 

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