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A Comparison in Conventional Mass Measurements Between SENCAMER (Venezuela) and CESMEC-LCPN-M (Chile)

Abstract: A conventional mass comparison was carried out between the Servicio Autónomo Nacional de Normalización, Calidad, Metrología y Reglamentos Técnicos (SENCAMER, Venezuela) and Laboratorio Custodio de los Patrones Nacionales de Masa at CESMEC Ltda. (CESMEC-LCPN-M, Chile), in order to estimate the degrees of equivalence for calibration of a mass artifact and the uncertainty associated with its measurement. This comparison was carried out using the following nominal values: 200 mg, 1 g, 50 g and 200 g. The results obtained by each laboratory are presented in this document. Evaluations of correlations among measurement results are considered because CESMEC-LCPN-M had previously calibrated SENCAMER's reference standards. For all mass artifacts, the normalized error, E, ranged from 0.05 to −0.91, indicating that SENCAMER has calibration capabilities for OIML F1 weights. In addition, correlations were found to be not significant in the evaluation of the degrees of equivalence and levels of measurement agreement.