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.
Highlights
The Strategy of development of the National Technical Regulation System for the period up to 2020 (Strategy) envisages the modernization of the Ukrainian economy and ensuring competitiveness
One of the directions of the Strategy implementation is to ensure recognition of accreditation Certificates at the European and International level issued by the National Accreditation Agency of Ukraine (NAAU)
By the end of 2017, more than 440 TL and 19 CL have been accredited in Ukraine. These labs can apply the International Laboratory Accreditation Cooperation (ILAC) logo on their certificates and protocols. Such certificates and protocols are recognized by more than 80 countries of the world, since NAAU is a signatory to the Mutual Recognition Agreement (ILAC MRA) in the areas of accreditation of TL and CL
Summary
The Strategy of development of the National Technical Regulation System for the period up to 2020 (Strategy) envisages the modernization of the Ukrainian economy and ensuring competitiveness. One of the directions of the Strategy implementation is to ensure recognition of accreditation Certificates at the European and International level issued by the National Accreditation Agency of Ukraine (NAAU). This is impossible without the appropriate adaptation of national legislation in the field of technical regulation. Such certificates and protocols are recognized by more than 80 countries of the world, since NAAU is a signatory to the Mutual Recognition Agreement (ILAC MRA) in the areas of accreditation of TL and CL This is one of the important elements for increasing the competitiveness of Ukrainian products in world markets. The issue of determining the competence of CL is extremely relevant given the absence of ICs conducted in Ukraine for widespread measurements of time during the testing of various products
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