Test Uncertainty Ratio Definition Test Uncertainty Ratio or TUR is a common term used in calibration. It is the ratio of the tolerance or specification of the test measurement in relation to the uncertainty in measurement results. According to the ANSI Z540.3 Handbook, the official definition is the ratio of the span of […]
Introduction There has been a lot of discussion on guard band and guard banding methods lately. Especially, with regard to statements of conformity and decision rules, and how you take uncertainty into account. This led me to look further into different guard banding methods. Currently, there have been a couple of recommended methods […]
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