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NI-PCI6221 AND scB-68 anolog input issue

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Accepted by topic author jinwei
Yes, you are right, I just get about 0.5 resisteance, when i measure in short circuit, but question is the vules fluctuates up and down,  i am confusion. if just  offset , it is ok, but  I try to figure out.. tired...

Thank you.
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Message 11 of 13
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Hi jinwei,

As S_Hong said before the accuracy of your measurement will depend on many factors. The accuracy is not an offset value the signal will be shifted to, but a certain amount that the signal can vary within. Have a look at this Developer Zone for more information about Accuracy and the System Environment. I hope this is helpful,

Ana P
National Instruments
Applications Engineer
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I GOT IT!
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