Practical sheet | REF: FIC0587 V1

Control the reliability of your measurement and test results: repeatability and reproducibility of analysis methods

Author: Jean-Michel POU

Publication date: June 10, 2015, Review date: November 27, 2016 | Lire en français

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6. Assessment of measurement uncertainties

All these evaluations enable us to estimate the uncertainty of a measurement process. During a measurement, various factors come into play (see figure: Synoptic diagram of a measurement process) and mix, around the desired value, their own errors, whether random or predictable, to produce a measurement result, in the sense of the VIM :

6.1 Measurement result (2.9): set of values assigned to a measurand, supplemented by any other relevant information available.

Note 1: A measurement result generally contains relevant information about the set of values, some of which may be more representative of the measurand than others. This can be expressed as a probability density function.

Note 2: The measurement result is usually expressed by...

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Assessment of measurement uncertainties