Evaluation of the measurement uncertainty in calibration of volumetric standard installation
Abstract
The paper refers to evaluation of the measurement uncertainty in calibration of volumetric standard installation used for metrological verification of cold water meters. Is important to be interested in evaluation uncertainty of measurement simply because is necessary to make good quality measurements and to understanding and using the results. There is a particular reason for evaluation of measurement uncertainty, as part of calibration, where the uncertainty of measurement must be reported on the certificate. For evaluation the uncertainty of measurement, firstly we must identify the sources of uncertainty in the measurement, then we must estimate the contribution of the uncertainty from each source, finally the individual uncertainties are combined. The calibration of the installations used for the verification of the water meters is performed by the direct comparison method using secondary volume standards.
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