Measure the pressure with NI9205 in Mode CSR

I use the NI9205 module to measure the pressure, but when I connect two transducers of pressure for the module in the CSR mode there is a decrease of output signal of the pressure sensor and when I dissconnect it the signal to return to the previous value, also when I use the differential mode after a few seconds the output signal turns into a 50 Hz oscillation , can you help me please?

the pressure transducers are PDCR 4011, output 200mV and must provide of 10V and I use two similar power supply for transducers.

Thank you

Omid

Hello Omid,

It doesn't sound like the shields were inducing 50 Hz noise that you saw. They might have been picking up some other equipment in the room, and I think that Earth shield is the right solution for the problem.

Best regards

Adam G

Tags: NI Hardware

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