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Luminous intensity bilateral comparison using lamps as transfer standards between LNE (France) and INM-RO (Roumania)

Abstract : The EUROMET project 823, "Comparison of luminous intensity and luminous flux using lamps as transfer standards" between LNE (formerly BNM), France, and INM-RO, Romania, has linked the INM-RO real-ized candela to the CCPR key comparison reference values. The comparison was registered on BIPM key comparison data base with the numbers EUROMET.PR-K3.a.1. The comparison has been piloted by LNE. It has been carried out by successive calibrations of a group of four travelling standard lamps in the two laboratories. The lamps were first calibrated by INM-RO, then cal-ibrated by LNE and calibrated by INM-RO in order to check for any drift or instability. The measurements have been performed over the period November 2004 to June 2006. According to the results of the comparison, the Degree of Equivalence of the candela realized by INM-RO to the Key Comparison Reference Value of CCPR-K3 is - 0,72 % with an expended uncertainty (k = 2) of 2.14 %. Main text To reach the main text of this paper, click on Final Report . Note that this text is that which appears in Appendix B of the BIPM key comparison database kcdb.bipm.org/ . The final report has been peer-reviewed and approved for publication by the CCPR, according to the provisions of the CIPM Mutual Recognition Arrangement (CIPM MRA).
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Submitted on : Wednesday, March 9, 2022 - 12:03:13 PM
Last modification on : Friday, March 11, 2022 - 3:12:53 AM

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Gaël Obein, M Simionescu, J Dubard, A Seucan, J Bastie. Luminous intensity bilateral comparison using lamps as transfer standards between LNE (France) and INM-RO (Roumania). Metrologia, IOP Publishing, 2017, 54 (1A), pp.02002. ⟨10.1088/0026-1394/54/1A/02002⟩. ⟨hal-03602690⟩

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