©Fluke Calibration 2011 Basics Of Measurement Uncertainty for DMM Calibration 18
Properly Calculating Measurement
Uncertainty – a topic often discussed &
debated among metrologists
Initially, there were no standardized
process to quantify measurement
uncertainty….
But a standard technique was agreed
upon & published in October 1993:
ISO Guide 98 - Guide to the
Expression of Uncertainty in
Measurement (a.k.a. GUM)