Table of Contents

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Principles
6 Evaluating uncertainty using repeatability,
   reproducibility and trueness estimates
7 Establishing the relevance of method performance
   data to measurement results from a particular
   measurement process
8 Establishing relevance to the test item
9 Additional factors
10 General expression for combined standard
   uncertainty
11 Uncertainty budgets based on collaborative study
   data
12 Evaluation of uncertainty for a combined result
13 Expression of uncertainty information
14 Comparison of method performance figures and
   uncertainty data
Annex A (informative) - Approaches to uncertainty
        evaluation
Annex B (informative) - Experimental uncertainty
        evaluation
Annex C (informative) - Examples of uncertainty
        calculations
Bibliography

Abstract

This document gives guidance for— evaluation of measurement uncertainties using data obtained from studies conducted in accordance with ISO 5725-2, and— comparison of collaborative study results with measurement uncertainty (MU) obtained using formal principles of uncertainty propagation (see Clause 14).

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Organization for Standardization
Pages
ISBN
Committee	TC 69
Supersedes	ISO/DIS 21748 : 60.00 (2017) ISO 21748 : 2010