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How to check the 2V excitation of the NI 3214 strain node

Dear all,

 

I am using strain gauge node NI 3214 (1.3 firmware) with NI 9792 gateway. I used the full bridge type I configuration and using TML strain gauges sensor of 350ohms. but i won't be able to see the 2V excitation supplied by node to excite the bridges in the excitation pins of the node. How to check that

 

and also while configuring the node properties i am not getting the exact no. of samples at particular sampling rate. please suggest that what parameters should i keep so that we will be able to determine the exact samples at specified sampling interval.

 

thanks,

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