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Cannot measure AC current using NI VirtualBench - NI VB-8012

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Hi All,

 

I’m trying to perform manual AC current measurements, but a result is just a noise.

 

I have a simple series circuit with FGEN, as VirtualBench, and load resistor of 50[Ohm]. My measuring setup is as described in the attached image. Except the batteries – I use fGEN at frequency of 486kHZ.

I’m pretty sure that my measuring setup is correct, because when I switch to DC mode – I have a comprehensive current measurements. In addition, when running in AC mode, through the AC multi meter connection, the load resistor is warming up – which means that there is a current in my circuit.

Both fuses were tested for continuity – and were fine.

 

What do I miss here? Is there some kind of “reset” for the virtual bench?

 

Thanks in advance

Art


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