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How to connect a 3-wire Strain Gage to PCI-e 6251

Hello everyone,

I am using a PCI-e 6251. I would like to read the strain measurements of a strain gage with quarter bridge and an internal dummy configuration. By using NIDAQmx driver with Python, I'm able to add an analog input channel with this configuration, however I couldn't find a schematic or some explanation as to how to wire the 3 wires of the strain gage into this channel. I'm using a BNC 2110 as the accessory so all I have for analog channels are of BNC type. I couldn't figure out how a 3 wire signal could be coupled into a BNC cable. Any help would be appreciated greatly.

Cheers 🙂

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Dear kbsoysal,

 

You can check up this document. https://docs.micro-measurements.com/?id=4078

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