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Traceability and method validation in a photometry laboratory

Published online by Cambridge University Press:  29 June 2011

O. Pellegrino*
Affiliation:
Laboratório de Fotometria, Radiometria e Radiofrequências, IPQ, Portugal
C. Pires
Affiliation:
Laboratório de Fotometria, Radiometria e Radiofrequências, IPQ, Portugal
E. Filipe
Affiliation:
Directora do Departamento de Metrologia, IPQ, Portugal
*
Correspondence: opellegrino@mail.ipq.pt
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Abstract

This article displays how the photometry laboratory of the Portuguese Institute for Quality complies with the measurement traceability and method validation, the technical requirements 5.4 and 5.6 of the ISO/IEC 17025. After the presentation of the existing means and the way the metrological traceability is obtained, a short introduction to the internal validation of the measurement method is displayed for the luminous intensity, the illuminance and the illuminance responsivity.

Type
Research Article
Copyright
© EDP Sciences 2011

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References

J.W.T. Walsh, Photometry, 3rd edn. (Constable & Co. Ltd., 1958)
ISO/IEC 17025:2005, General requirements for the competence of testing and calibration laboratories
CNAM-INM, Calibration Certificate n° 1139-ra-05, Standard lamp of luminous intensity (2005); Y. Ohno, NIST Special Publication 250-37, NIST measurement Services: Photometric Calibrations (1997)
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ASTM E691-92, Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
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ISO/IEC Guide 98-3:2008, Guide to the expression of Uncertainty in Measurement (GUM:1995) (published by ISO in the name of BIPM, IEC, IFCC, IUPAC, IUPAP and OIML), Part 5.1
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JCGM 200:2008, International vocabulary of metrology – Basic and general concepts and associated terms (VIM), BIPM, IEC, IFCC, ILAC, ISO, IUPAC, IUPAP and OIML
JCGM 200:2008, International vocabulary of metrology – Basic and general concepts and associated terms (VIM), BIPM, IEC, IFCC, ILAC, ISO, IUPAC, IUPAP and OIML, 2.43 Note
Key Comparison EURAMET.PR-K3.A, Luminous intensity, pilot PTB, Draft Report to release in 2010