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Measuring instruments сalibration and verification: transformation of conceptions
https://doi.org/10.32446/0368-1025it.2021-11-8-18
Abstract
The problems of calibration of measuring instruments are discussed. A brief overview of the 1978–1992 discussion on the applicability of statistical methods and its lessons is given. According to the normative documents, the transformation of ideas about calibration is traced. The general measurement problem of tests for the purpose of type approval, verification and calibration of measuring instruments is considered as the problem of identification of functional metrological characteristics. When checking measuring instruments under normal conditions, the importance of their calibration for operating conditions is noted. The main difficulty of solving this problem is the multidimensional nature of the calibration function model and the need to take into account the errors of its inadequacy along with the measurement errors. It is shown that taking into account only one of these components can lead to excessive complication of the model with the loss of its stability, or to the use of insufficiently complete models that create the appearance of high accuracy. An example of calibration of a measuring instrument for operating conditions by two influencing values is given.
About the Author
S. F. Levin
Moscow Institute for expertise and tests
Russian Federation
Russian Federation
Sergey F. Levin
Moscow
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Review
For citations:
Levin S.F. Measuring instruments сalibration and verification: transformation of conceptions. Izmeritel`naya Tekhnika. 2021;(11):8-18. (In Russ.) https://doi.org/10.32446/0368-1025it.2021-11-8-18
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