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EnglishSince Key Comparison CCT-K2, only few comparisons as regards realizations of cryogenic fixed points have been carried out, either bilateral (three, of which one still pending) or multilateral (two trilateral). Since a forthcoming follow-up is unlikely, any bilateral comparison, apart from key comparisons, is most welcome to provide evidence of the continuing thermometric capabilities of the laboratories involved in the realization of the ITS-90.Not too long after the establishment in 2018 of the Joint Research Laboratory for Fluid Metrology "Evangelista Torricelli" between LNE-CNAM and INRIM, the two laboratories agreed to perform a bilateral comparison, involving all the cryogenic fixed points of the scale between 13.8033 K and 273.16 K - including the two hydrogen vapour-pressure temperatures - required to cover the full platinum resistance-thermometer range, as dealt with in Section 3.3.1 of the text underlying the ITS-90. The results are reported here and show a substantial agreement within the combined uncertainties. (C) 2020 Elsevier Ltd. All rights reserved.
Comparison of ITS-90 realizations from 13 K to 273 K between LNE-CNAM and INRIM / Imbraguglio, D; Steur, Ppm; Sparasci, F. - In: MEASUREMENT. - ISSN 0263-2241. - 166(2020), p. 108225. [10.1016/j.measurement.2020.108225]
| Titolo: | Comparison of ITS-90 realizations from 13 K to 273 K between LNE-CNAM and INRIM | |
| Autori: | ||
| Data di pubblicazione: | 2020 | |
| Rivista: | MEASUREMENT | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.measurement.2020.108225 | |
| Abstract: | Since Key Comparison CCT-K2, only few comparisons as regards realizations of cryogenic fixed poin...ts have been carried out, either bilateral (three, of which one still pending) or multilateral (two trilateral). Since a forthcoming follow-up is unlikely, any bilateral comparison, apart from key comparisons, is most welcome to provide evidence of the continuing thermometric capabilities of the laboratories involved in the realization of the ITS-90.Not too long after the establishment in 2018 of the Joint Research Laboratory for Fluid Metrology "Evangelista Torricelli" between LNE-CNAM and INRIM, the two laboratories agreed to perform a bilateral comparison, involving all the cryogenic fixed points of the scale between 13.8033 K and 273.16 K - including the two hydrogen vapour-pressure temperatures - required to cover the full platinum resistance-thermometer range, as dealt with in Section 3.3.1 of the text underlying the ITS-90. The results are reported here and show a substantial agreement within the combined uncertainties. (C) 2020 Elsevier Ltd. All rights reserved. | |
| Full-text (pubblici): | mixed | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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