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how to calibrate ni scxi1520 to measure strain using strain gauge

how to calibrate ni scxi1520 to measure strain using strain gauge

‎02-03-2015 09:05 AM

Hi,

 

 I am trying to caliberate NI SCXI 1520 card to measure strain using strain gauge. I read user manual to do caliberation. I have some doubts. 

 

1. I have connected SCA ports as shown in caliberation steps and typed shunt resistor value as 100Kohm. After caliberation, do we need to remove that shunt resistor from circuit??

 

2. I caliberated 350ohm strain gauge. But after that I tried to caliberate 120 ohm strain gauge, it shows error 

Error -200077

 

can anyone help??

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