Friday, August 14, 2020, 6:49 AM

Site: Quametec™ Institute of Measurement Technology

Course: Quametec™ Institute of Measurement Technology (QUAMETEC™)

Glossary: QIMT Glossary

U

## Uncertainty of measurement Parameter, associated with the result of a measurement that characterises the dispersion of values that could reasonably be attributed to the measurand. The estimation of uncertainty in accordance with GUM guidelines is usually accepted. |

## Unit (of measurement) Particular quantity, defined and adopted by convention, with which other quantities of the same kind are compared in order to express their magnitudes relative to that quantity. |

## Unit of measurement (derived) coherent Derived unit of measurement that can be expressed as the product of basic units in powers with the proportionality coefficient 1. |