Linking results of key and supplementary comparisons of AC/DC voltage transfer references

Velychko, Oleh

doi:10.1051/ijmqe/2018002

Cited by 3 publications

(2 citation statements)

References 12 publications

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“…CCEM-K4 and COOMET.EM-K4 data for linking NMIs, μF/F. [26]; results of COOMET.EM-S1 comparison have been linked to COOMET.EM-K6.a comparison of AC/DC voltage transfer difference [27] (RMO SC to RMO KC for similar values of physical quantities). When linking results of those comparisons, the described linking procedure was used.…”

Section: Linking Procedures For International Comparisonsmentioning

confidence: 99%

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Metrological Traceability at Different Measurement Levels

Velychko¹,

Gordiyenko²

2019

Standards, Methods and Solutions of Metrology

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The international agreements are the basis for establishing the global metrological traceability at different measurement levels. The concepts and concept relations around metrological traceability are presented. An important element of providing the metrological traceability is the evaluation of measurement uncertainty. The procedure of linking of key and supplementary comparison results is described. Linking of key and supplementary comparison results of the Regional Metrology Organization for some quantities according to the described procedure was presented. Results for all participants of presented key and supplementary comparisons are satisfactory for chi-square test and E n number. The procedure of linking of key or supplementary comparison and national inter-laboratory comparison results is described. This procedure can be used for practical evaluation of specific interlaboratory comparison results on a national level in different countries by means of laboratory results of the National Metrology Institute and Designated Institute. This procedure can contribute the mutual recognition of measurement and testing results by different countries. Linking of key comparison and inter-laboratory comparison results for some quantities according to the described procedure was presented. Results for all participants of presented key comparison and interlaboratory comparison are satisfactory for chi-square test, E n number, z scores and ζ scores.

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Section: Linking Procedures For International Comparisonsmentioning

confidence: 99%

“…Linked results of COOMET.EM-S1 (mark *) and COOMET.EM-K6.a comparison of AC/DC voltage transfer difference of AC voltage of 3 V at frequencies of 1, 20, and 100 kHz [27] are shown in Figure 8. When linking results of those comparisons, the presented linking procedure was used.…”

Section: Linking Procedures For International Comparisonsmentioning

confidence: 99%