Abstract
It was shown in Sect. 6.2 that among the basic elements of a system for metrological assurance are periodic verifications and calibrations of MIs, in which there is monitoring of the compliance of metrological characteristics of MIs to the established requirements, or of their behavior in compliance with these requirements. The verification or calibration interval (VCI) is the most important parameter of metrological maintenance of the MI, directly affecting the level of uniformity of measurement. The lower the VCI, the higher this level is. On the other hand, the lower the VCI, the greater the financial expenses to conduct verifications and (or) calibrations of MIs, as well as production cost associated with removing the MI from the place of use. Hence there is an opposition, which must be resolved by determining the optimal value of the VCI.
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Notes
- 1.
To understand the model, it is important to keep in mind that what is modeled is not the change of error measurements defined by the MI’s MC, but the change in these MCs; measurement error, including the random component, naturally, can change by a step function at any instant.
- 2.
- 3.
This derivation is presented in Chap. 9 of [47].
- 4.
The intersection of sets A and B is the set that is common to both A and B.
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Fridman, A.E. (2012). Verification and Calibration Intervals of Measuring Instruments. In: The Quality of Measurements. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-1478-0_7
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