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Methodology and Analysis of the ILCs Provided by INRIM from 2016 to 2018

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Abstract

To assess the technical competence of calibration laboratories, national accreditation bodies (NABs) take into account the results of national and/or international proficiencies testing (PTs) including the inter-laboratory comparisons (ILCs). As the Italian NAB stopped acting as PT provider since 2015 due to the result of a peer assessment by the European co-operation for accreditation, the National Institute of Metrological Research (INRIM) reorganized itself and reoriented part of its activity to become a ILCs provider, thus supporting the calibration laboratories. This paper describes how INRIM has been organized as ILCs provider to guarantee the accreditation activity continuation and gives information about the main typologies of the provided ILCs and details on the analysis of the ILCs results in different metrological areas. From 2016 to 2018, INRIM provided 114 ILCs, in the areas of acoustics ultrasonic and vibration, electricity and magnetism, length (L), mass (M) and thermometry (T), involving 138 laboratories, for which 375 ILC reports were issued.

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Notes

  1. The EA Multilateral Agreement (EA MLA) is a signed agreement between the EA Full Members whereby the signatories recognize and accept the equivalence of the accreditation systems operated by the signing members, and also the reliability of the conformity assessment results provided by conformity assessment bodies accredited by the signing members.

  2. The European co-operation for Accreditation (EA) is the Association of the national accreditation bodies providing accreditation, for bodies performing different types of conformity assessments: calibration, testing (including medical), inspection, quality certification of environmental management system, products/services and persons.

  3. The CIPM Mutual Recognition Arrangement (CIPM MRA) is the framework through which National Metrology Institutes demonstrate the international equivalence of their measurement standards and the calibration and measurement certificates they issue. The outcomes of the Arrangement are the internationally recognized (peer-reviewed and approved) calibration and measurement capabilities (CMCs) of the participating institutes.

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Authors and Affiliations

  1. Department of Applied Metrology and Engineering, National Institute of Metrological Research, Strada delle Cacce 91, 10135, Turin, Italy

    Flavio Galliana, Luigi Iacomini & Davide Torchio

Authors
  1. Flavio Galliana
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  2. Luigi Iacomini
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  3. Davide Torchio
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Correspondence to Flavio Galliana.

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Galliana, F., Iacomini, L. & Torchio, D. Methodology and Analysis of the ILCs Provided by INRIM from 2016 to 2018. MAPAN 35, 435–445 (2020). https://doi.org/10.1007/s12647-020-00374-5

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  • DOI: https://doi.org/10.1007/s12647-020-00374-5

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