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Strain Gage - value draft

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Accepted by topic author Žiga

Hello!

 

I decided to test full bridge configuration on NI 9237 card with resistors while I wait for equipment. So I made Wheatstone bridge with four 120Ohm resistors. Crimped all four exits in RJ50 connector and plugged into card.

The thing works! I got no drift present and I didn't even usen precision resistors. So this test eliminates all errors associated with NI card and carrier.

 

Regards,

Žiga Pristov

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Hello!

 

I modified my equipment for using a full bridge configuration. Looks like the full bridge solution is the right solution for this problem.

The measuring system currently works fine for my application.

 

Thank you for all the help!

Regards,

Žiga Pristov

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