Interlaboratory comparisons of the calibration results of time meters

Authors

  • Oleh Velychko State Enterprise “All-Ukrainian State Scientific and Production Centre for Standardization, Metrology, Certification and Protection of Consumer” (SE “Ukrmetrteststandard”) Metrolohychna str., 4, Kyiv, Ukraine, 03143, Ukraine https://orcid.org/0000-0002-6564-4144
  • Sergii Shevkun State Enterprise “All-Ukrainian State Scientific and Production Centre for Standardization, Metrology, Certification and Protection of Consumer” (SE “Ukrmetrteststandard”) Metrolohychna str., 4, Kyiv, Ukraine, 03143, Ukraine https://orcid.org/0000-0003-1923-6227
  • Tetyana Gordiyenko Odessa State Academy of Technical Regulation and Quality Kovalska str., 15, Odessa, Ukraine, 65020, Ukraine https://orcid.org/0000-0003-0324-9672
  • Oleh Mescheriak State Enterprise “All-Ukrainian State Scientific and Production Centre for Standardization, Metrology, Certification and Protection of Consumer” (SE “Ukrmetrteststandard”) Metrolohychna str., 4, Kyiv, Ukraine, 03143, Ukraine https://orcid.org/0000-0003-2844-7018

DOI:

https://doi.org/10.15587/1729-4061.2018.121089

Keywords:

interlaboratory comparisons, calibration laboratory, measurement uncertainty, time meter, comparison sample

Abstract

The analysis and selection of the methodology for processing the results of interlaboratory comparisons (IC) were carried out. The universal algorithm for processing the primary IC data was proposed, which allows the reference laboratory to take into account all the features of reporting on ICs.

The transmission sample for IC on the calibration of time meters was investigated. The reference values and corresponding expanded uncertainties for this IC are determined. The results of interlaboratory comparisons of calibration results of the time meter at points from 30 s to 3600 s are presented. Comparison of the results obtained during the calibration of the time meter by ten laboratories was carried out according to the radial scheme within 2016. The deviations of the results obtained by each laboratory were determined and the correctness of the results was evaluated taking into account the measurement uncertainty using the criterion for the performance statistics for the selected time intervals.

The competence of the staff of laboratories participating in IC on the calibration of time meters was estimated. An analysis of the evaluation results showed that the staff of eight out of ten laboratories, including the reference one, has a high level of competence. It has been established that, unlike other factors, the competence of the staff of laboratories participating in IC has little effect on the IC results.

Author Biographies

Oleh Velychko, State Enterprise “All-Ukrainian State Scientific and Production Centre for Standardization, Metrology, Certification and Protection of Consumer” (SE “Ukrmetrteststandard”) Metrolohychna str., 4, Kyiv, Ukraine, 03143

Doctor of Technical Sciences, Professor, Director

Scientific and Production Institute of Electromagnetic Measurements

Sergii Shevkun, State Enterprise “All-Ukrainian State Scientific and Production Centre for Standardization, Metrology, Certification and Protection of Consumer” (SE “Ukrmetrteststandard”) Metrolohychna str., 4, Kyiv, Ukraine, 03143

PhD, Head of Department

Department of state standards of electromagnetic quantity, time and frequency

Tetyana Gordiyenko, Odessa State Academy of Technical Regulation and Quality Kovalska str., 15, Odessa, Ukraine, 65020

Doctor of Technical Sciences, Associate Professor, Head of Department

Department of standardization, conformity assessment and quality

Oleh Mescheriak, State Enterprise “All-Ukrainian State Scientific and Production Centre for Standardization, Metrology, Certification and Protection of Consumer” (SE “Ukrmetrteststandard”) Metrolohychna str., 4, Kyiv, Ukraine, 03143

Head of research laboratory measurements of time and frequency

Department of state standards of electromagnetic quantity, time and frequency

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Published

2018-01-16

How to Cite

Velychko, O., Shevkun, S., Gordiyenko, T., & Mescheriak, O. (2018). Interlaboratory comparisons of the calibration results of time meters. Eastern-European Journal of Enterprise Technologies, 1(9 (91), 4–11. https://doi.org/10.15587/1729-4061.2018.121089

Issue

Vol. 1 No. 9 (91) (2018): Information and controlling system

Section

Information and controlling system

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Copyright (c) 2018 Oleh Velychko, Sergii Shevkun, Tetyana Gordiyenko, Oleh Mescheriak

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