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Levin S.


Books of this author



Articles of this author


Mathematical theory of measurement problems: applications. The main measurement task of measuring instrument type approval testing

Issue: KIPiS 2018 #5

According to the Federal Law «On ensuring the uniformity of measurements » any measuring instrument type must be approved by means of control tests for further application in the state regulation field. Such tests should confirm the specified accuracy and the interval between verification processes. Verification methods should be also tested. For the type approval testing the identification of standardized metrological characteristics is considered the most important, and approbation is more often limited to checking the possibility of verification operations. But in fact the situation can be quite different. For more details read the present article written by Professor Levin S.F.

 
Mathematical theory of measurement problems: applications. Uncertainty conception — Theory of accuracy

Issue: KIPiS 2018 #4

Targets of measurement tasks form the definition of «uncertainty». At the moment the revision of Guide to the expression of uncertainty in measurement (GUM) keeps more broaden interpretation of this term but anyway the problems of uncertainty conception, model structure and definitional uncertainty, are still considered open and require more attentive investigation. Professor Levin S. shares his point of view upon this problem in his new article.

 
Mathematical theory of measurement problems: applications. Statistical procedures of the control at high-precision measurements

Issue: KIPiS 2018 #3

The main target of Federal Law 102 dated from June 26, 2008 «On ensuring uniformity of measurements» is to protect the rights and legitimate interests of citizens, society and the government from the negative consequences of inadequate measurement results. Therefore there should be certain procedures controlling the measurements. Professor S. Levin dedicated the present article to the statistical procedure of control at high-precision measurements

 
Mathematical theory of measurement problems: applications. Calibration of measuring instrument — three decisions of the one measuring problem

Issue: KIPiS 2018 #1

Practicing metrologists often do not have enough examples of the reference documents use to solve their measurement tasks. One of such tasks is the calibration of measuring devices. The difficulty is caused by National State Standard 8.820–2013 which equaled different accuracy standards like uncertainty of measurement, precision and inaccuracy. In practice the same measuring methods may bring to various calibration results. In the present article professor Levin S. suggests three different solutions for one measurement task.

 
Mathematical theory of measurement problems: applications. Calibration or verification? «Problems» of inaccuracy to uncertainty calculation

Issue: KIPiS 2017 #6

This year on April 19 there came Government resolution ¹737 «Concerning the confirmation of the Strategy to assure the measurement uniformity in Russian Federation up to 2025». As a result Federal Service for Accreditation set the requirement for the calibration laboratories to express the measurement capabilities through «uncertainty» when forming the accreditation scopes. The present article describes the influence it may cause to the measurement results and the possible problems that may appear when calculating the inaccuracy to uncertainty…

 

Current issue
#5 October 2018
KIPiS 2018 #5
Topic of the issue:
Modern instrumentation
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