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Wilfried Hinrichs
Linking Conformity Assessment and Measurement Uncertainty – an Example
Keywords: conformity, conformance, measurement uncertainty, confidence level, guard band
Measurement uncertainty influences conformance assessment and hence statements on the conformity of products. An international draft guide on conformance testing and measurement uncertainty specifies for production purposes how to proceed if a quantification of this influence is needed. In this contribution the methods of this document are applied to conformity assessment. The study is based on the world-market products wire screen and woven wire cloth specified in international standards. The conclusion is that in principle the methods in the draft guide are well applicable to this group of products both for conformity and for conformance assessment. Only some provisions for the probability density of measurement results had to be changed. The overall-results are realistic when the procedures given are adapted to the specific purposes under investigation.
tm – Technisches Messen, Oldenbourg Wissenschaftsverlag
Print ISSN: 0171-8096
Volume: 73, 10/2006
Pages: 571 - 577