[VIM3] 2.35 expanded measurement uncertainty

expanded uncertainty
Contents Options

product of a combined standard measurement uncertainty and a factor larger than the number one


NOTE 1 The factor depends upon the type of probability distribution of the output quantity in a measurement model and on the selected coverage probability.

NOTE 2 The term “factor” in this definition refers to a coverage factor.

NOTE 3 Expanded measurement uncertainty is termed “overall uncertainty” in paragraph 5 of Recommendation INC-1 (1980) (see the GUM) and simply “uncertainty” in IEC documents.


ANNOTATION (informative) [1 December 2014] Here "combined standard measurement uncertainty" can be replaced with "combined standard uncertainty" without ambiguity: "product of a combined standard uncertainty and a factor larger than the number one".



2 Measurement