Tools
Uncertainty Budget (GUM)
…A and Type B uncertainty components with distribution divisors, root-sum-of-squares and a coverage factor to an expanded uncertainty per the GUM.
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27 results for “GUM”
Extends GUM methods to multivariate measurement models with correlated output quantities. Freely available. JCGM/BIPM Uncertainty
Guidance on constructing measurement models — the step the GUM assumes has already happened. Freely available. JCGM/BIPM Uncertainty
Standards
JCGM GUM-1:2023 — Guide to the expression of uncertainty in measurement — Part 1: Introduction
Part 1 of the rewritten GUM: the introduction to uncertainty evaluation and the JCGM document family. Replaces JCGM 104:2009. Freely available from the…
The GUM: the internationally agreed framework for evaluating and expressing measurement uncertainty — Type A/B evaluation, combination, and expanded uncertainty. Freely available from the…
Monte Carlo propagation of full probability distributions through a measurement model — for cases where the law of propagation of uncertainty is inadequate. Freely available…
'The GUM' is shorthand for a whole family of JCGM documents, and knowing which member answers which question saves real time. JCGM 100:2008…
The GUM defines the framework; EA-4/02 shows the homework. The European co-operation for Accreditation's mandatory uncertainty guide applies GUM methods…
Round an expanded uncertainty to two significant figures and the measured value to match, per GUM 7.2.6 reporting convention.
The European accreditation guide applying GUM methods to routine calibration, with worked examples across disciplines. Freely available. EA Uncertainty