Author:
Duță Bogdan-Gabriel, ,Banu Ionuț,Cîmpeanu Tania-Ioana,Bucur Gabriela, , ,
Abstract
"In legal metrology, in addition to the elements of the measurement result, the measurement uncertainty is also required in order to establish the level of confidence or risk regarding compliance decisions. Because of this, the uncertainty assessment considers the indicated uncertainty of the utilized measuring device, as well as the uncertainty linked to calibration and any other uncertainties pertaining to how the measuring instrument is utilized in practice. The uncertainty of these readings must also be taken into account if further measures, such as pressure and temperature, are required. The basic concepts of measurement, legal metrology, measurement errors, measurement uncertainty, types of measurement uncertainties, the importance of the mixed models and two case studies in which we obtained different values for the uncertainty were examined in this article. Both of the two case studies that are discussed are the general uncertainty with a backup strategy and the uncertainty for partially transferred source flows. Here, the installation's operating modes, the formulae used to estimate uncertainty, and the procedure for doing so were all described."
Publisher
Universitatea Petrol-Gaze din Ploiesti
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