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Validation of combinatorial evaluation of strain-gauge amplifier linearityMiha Hiti, 2020, original scientific article
Abstract: 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.
Keywords: strain-gauge amplifier, calibration, combinatorial technique, validation
Published in DiRROS: 21.08.2023; Views: 280; Downloads: 93
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