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The measurement problem of calibration of measuring instrument under specifiеd conditions
https://doi.org/10.32446/0368-1025it.2021-4-9-15
Abstract
The problem of calibration of measuring instruments for given conditions based on the correction function is considered as a measurement problem of structural-parametric identification of the calibration diagram. It is shown, that the correction function allows at the first stage to obtain a ratio for correcting the readings, and at the second stage to obtain a corrected measurement result, it is necessary to identify the probability distribution of possible deviations from it. An example of solving the measurement problem of calibration for given conditions is given. Negative aspects of the practice of calibration of measuring instruments are noted: carrying out calibration under normal conditions according to the methods of verification of measuring instruments; presentation of calibration results by tables of joint readings of measuring instruments and standards; the presence in the calculations of the calibration diagram of significant restrictions on the mathematical apparatus of the «Guidelines for the expression of measurement uncertainty», specified by ISO/IEC 31010:2019 “Risk management – Risk assessment techniques”.
About the Author
S. F. Levin
Moscow Institute for Expertise and Tests
Russian Federation
Russian Federation
Sergey F. Levin
Moscow
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For citations:
Levin S.F. The measurement problem of calibration of measuring instrument under specifiеd conditions. Izmeritel`naya Tekhnika. 2021;(4):9-15. (In Russ.) https://doi.org/10.32446/0368-1025it.2021-4-9-15
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