Validation of combinatorial evaluation of strain-gauge amplifier linearity
DOI:
https://doi.org/10.21014/acta_imeko.v9i5.970Abstract
This paper describes a validation of a combinatorial calibration technique based calibration procedure for strain-gauge amplifier calibration. The deviation between two strain-gauge amplifiers at calibration using the combinatorial technique is compared to the deviation between the same two amplifiers at calibration on a force calibration machine as a transducer-amplifier chain under unchanged conditions, serving as an amplifier linearity comparator. This enables the validation to be confirmed with a suitable expanded measurement uncertainty of 3 nV/V.Downloads
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2020-12-31
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