Linking Results of International Comparisons of the National Standard and the National Inter-Laboratory Comparisons (original) (raw)

Journal of Physics: Conference Series

Inter-laboratory comparisons are widely used for a number of purposes and their use is increasing nationally and internationally. The equivalence of measurements of national metrological institute is established through key and supplementary comparisons of national measurement standards. The proposed procedure of linking results of international comparisons of the national measurement standards and inter-laboratory comparisons on national level is presented. The main purposes of this procedure are increase accurate identification of inter-laboratory differences and confidence level for statements of the equivalence of measurements of participant laboratories. The linking between the results of international key comparisons of the AC/DC voltage transfer standards of the regional metrological organization and inter-laboratory comparisons of AC/DC voltage transfer standards for calibration at the national level is shown with using the proposed procedure.

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