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Suggestions on how to include the effect of reproducibility in the evaluation of simplified calibration procedures

The presented study suggests a method that allows estimating the reproducibility error in torque calibrations without the need of performing several measurement series with the torque transducer being mounted in different mounting positions.

The aim is to enable uncertainty estimations for simplified calibration procedures, too. The approach is to use statistical data gained from previous calibrations of transducers of the same type. The study shows how to select and classify past calibrations in order to allow prognoses for future calibrations. Furthermore it introduces the method of statistic evaluation and gives special considerations about the way in which the reproducibility error influences the overall measurement uncertainty in the case of a simplified calibration.

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Published by:

Dr. Georg Wegener, Hans-Werner Werner 23.11.2007