Intercomparison of the Realizations of the ITS-90 from 83.8058 K to 692.677 K among European NMIs
The EUROMET.T-K3 comparison is the regional extension of CCT-K3. The comparison involved the six European national metrology institutes (NMIs) previously involved in CCT-K3 (LNE-INM/CNAM, SMU, INRiM, NMi-VSL, NPL, PTB) and 18 additional European national laboratories. The comparison was divided into...
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Veröffentlicht in: | International journal of thermophysics 2008-06, Vol.29 (3), p.991-1000 |
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creator | Renaot, E. Hermier, Y. Valin, M. H. Bonnier, G. Adunka, F. Van Der Linden, A. Dobre, M. Šmíd, M. Bronnum, A. Weckstrom, T. Tegeler, E. Noatsch, U. Anagnostou, M. Turzo-Andras, E. Nemeth, S. White, M. Marcarino, P. Steur, P. Pauzha, A. Augevicius, V. de Groot, M. Nielsen, J. Helgesen, F. Roszkowski, W. Grudniewicz, E. Kuna, R. Filipe, E. Lobo, I. Gaita, S. Chimenti, V. Ivarsson, J. Duris, S. Ranostaj, J. Bojkovski, J. Steiner, A. Ugur, S. Gray, J. Bruce, S. Rusby, R. Head, D. |
description | The EUROMET.T-K3 comparison is the regional extension of CCT-K3. The comparison involved the six European national metrology institutes (NMIs) previously involved in CCT-K3 (LNE-INM/CNAM, SMU, INRiM, NMi-VSL, NPL, PTB) and 18 additional European national laboratories. The comparison was divided into five different loops, each coordinated by a co-pilot chosen from the laboratories having participated in the CCT-K3 comparison. LNE-INM/CNAM played the role of pilot in linking the five loops. In each loop, an artifact in the form of a standard platinum resistance thermometer (SPRT, 25 Ω) was circulated among the participating laboratories. To have sufficient information about the possible drift of the SPRTs, the co-pilots performed a calibration over the full temperature range at the beginning and at the end of the loop. A EUROMET reference value (ERV), taking into account the whole comparison, was defined, and the differences (
T
Lab
−
T
ERV
) were calculated with the associated uncertainties. The method for establishing the link between the participants in CCT-K3 and in EUROMET.T-K3 is described. |
doi_str_mv | 10.1007/s10765-008-0397-x |
format | Article |
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T
Lab
−
T
ERV
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T
Lab
−
T
ERV
) were calculated with the associated uncertainties. 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The comparison involved the six European national metrology institutes (NMIs) previously involved in CCT-K3 (LNE-INM/CNAM, SMU, INRiM, NMi-VSL, NPL, PTB) and 18 additional European national laboratories. The comparison was divided into five different loops, each coordinated by a co-pilot chosen from the laboratories having participated in the CCT-K3 comparison. LNE-INM/CNAM played the role of pilot in linking the five loops. In each loop, an artifact in the form of a standard platinum resistance thermometer (SPRT, 25 Ω) was circulated among the participating laboratories. To have sufficient information about the possible drift of the SPRTs, the co-pilots performed a calibration over the full temperature range at the beginning and at the end of the loop. A EUROMET reference value (ERV), taking into account the whole comparison, was defined, and the differences (
T
Lab
−
T
ERV
) were calculated with the associated uncertainties. The method for establishing the link between the participants in CCT-K3 and in EUROMET.T-K3 is described.</abstract><cop>Boston</cop><pub>Springer US</pub><doi>10.1007/s10765-008-0397-x</doi><tpages>10</tpages></addata></record> |
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title | Intercomparison of the Realizations of the ITS-90 from 83.8058 K to 692.677 K among European NMIs |
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