NF ISO/IEC GUIDE 98-3

NF ISO/IEC GUIDE 98-3

July 2014
Standard Current

Uncertainly of measurement - Part 3 : guide to the expression of uncertainly in measurement (GUM : 1995)

ISO/IEC Guide 98-3:2008 is a reissue of the 1995 version of the Guide to the Expression of Uncertainty in Measurement (GUM), with minor corrections. This Guide establishes general rules for evaluating and expressing uncertainty in measurement that can be followed at various levels of accuracy and in many fields — from the shop floor to fundamental research. The principles of this Guide are intended to be applicable to a broad spectrum of measurements, including those required for: maintaining quality control and quality assurance in production; complying with and enforcing laws and regulations; conducting basic research, and applied research and development, in science and engineering; calibrating standards and instruments and performing tests throughout a national measurement system in order to achieve traceability to national standards; developing, maintaining, and comparing international and national physical reference standards, including reference materials.

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Main informations

Collections

National standards and national normative documents

Publication date

July 2014

Number of pages

130 p.

Reference

NF ISO/IEC GUIDE 98-3

ICS Codes

17.020   Metrology and measurement in general

Classification index

X07-040-3

Print number

1

International kinship

Sumary
Uncertainly of measurement - Part 3 : guide to the expression of uncertainly in measurement (GUM : 1995)

ISO/IEC Guide 98-3:2008 is a reissue of the 1995 version of the Guide to the Expression of Uncertainty in Measurement (GUM), with minor corrections. This Guide establishes general rules for evaluating and expressing uncertainty in measurement that can be followed at various levels of accuracy and in many fields — from the shop floor to fundamental research. The principles of this Guide are intended to be applicable to a broad spectrum of measurements, including those required for:

  • maintaining quality control and quality assurance in production;
  • complying with and enforcing laws and regulations;
  • conducting basic research, and applied research and development, in science and engineering;
  • calibrating standards and instruments and performing tests throughout a national measurement system in order to achieve traceability to national standards;
  • developing, maintaining, and comparing international and national physical reference standards, including reference materials.
Replaced standards (1)
NF ENV 13005
August 1999
Standard Cancelled
Guide to the expression of uncertainly in measurement.

Le présent document constitue un guide pour tous ceux qui sont concernés par la mesure. Il contribue à une information complète sur la manière dont on aboutit à l'expression de l'incertitude de mesure ; il fournit une base pour la comparaison des résultats de mesure.

Table of contents
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  • Préliminaires
    v
  • Avant-propos
    vi
  • Introduction
    vii
  • 1 Domaine d'application
    1
  • 2 Définitions
    2
  • 3 Concepts fondamentaux
    4
  • 4 Évaluation de l'incertitude-type
    8
  • 5 Détermination de l'incertitude-type composée
    19
  • 6 Détermination de l'incertitude élargie
    24
  • 7 Expression de l'incertitude
    25
  • 8 Récapitulation de la procédure d'évaluation et d'expression de l'incertitude
    28
  • Annexe A Recommandations du Groupe de travail et du CIPM
    29
  • Annexe B Termes métrologiques généraux
    32
  • Annexe C Termes et concepts statistiques fondamentaux
    40
  • Annexe D Valeur "vraie", erreur et incertitude
    50
  • Annexe E Motivation et fondements de la Recommandation INC-1 (1980)
    55
  • Annexe F Conseils pratiques pour l'évaluation des composantes de l'incertitude
    62
  • Annexe G Degrés de liberté et niveaux de confiance
    72
  • Annexe H Exemples
    81
  • Annexe J Liste des principaux symboles
    111
  • Bibliographie
    115
  • Index alphabétique
    117
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