Measurement uncertainty
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Measurement uncertainty methods and applications by Ronald H. Dieck

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Published by ISA in Research Triangle Park, NC .
Written in English

Subjects:

  • Measurement,
  • Uncertainty

Book details:

Edition Notes

Statementby Ronald H. Dieck.
Classifications
LC ClassificationsT50 .D53 2006
The Physical Object
Paginationp. cm.
ID Numbers
Open LibraryOL17986406M
ISBN 101556179154
LC Control Number2006036563

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Uncertainty of measurement is the doubt that exists about the result of any measurement. You might think that well-made rulers, clocks and thermometers should be trustworthy, and give the right answers. But for every measurement - even the most careful - there is always a margin of. By examining the practical meaning of probability, this book discusses what is meant by a '95 percent interval of measurement uncertainty', and how such an interval can be calculated. The book argues that the concept of an unknown 'target value' is essential if probability is to be used as a tool for evaluating measurement uncertainty. In metrology, measurement uncertainty is the expression of the statistical dispersion of the values attributed to a measured quantity. All measurements are subject to uncertainty and a measurement result is complete only when it is accompanied by a statement of the associated uncertainty, such as the standard lfcmalta.com international agreement, this uncertainty has a probabilistic basis and. Measurement Uncertainty. Measurement uncertainty is defined as: “a parameter, associated with the result of a measurement, that characterises the dispersion of the values that could be reasonably attributed to the measurand” (JCGM, ; ISO, ).

Quantifying Uncertainty Foreword to the Third Edition QUAMP1 Page 2 level of measurement uncertainty is called the ‘target measurement uncertainty’ [H.7]). The performance of the method is then quantified in terms of precision and trueness. Method validation is carried out to ensure. stand the concepts of measurement uncertainty and how they apply to particular measurement processes in the laboratory. Evaluating and Expressing Measurement Uncertainty The methods, terms, and symbols recommended by MARLAP for evaluating and expressing measurement uncertainty are described in the Guide to the Expression of Uncertainty in Meas. In daily life, measurement uncertainty is often implicit ("He is 6 feet tall" give or take a few inches), while for any serious use an explicit statement of the measurement uncertainty is necessary. The expected measurement uncertainty of many measuring instruments (scales, oscilloscopes, force gages, rulers, thermometers, etc.) is often stated. Essentials of expressing measurement uncertainty. This is a brief summary of the method of evaluating and expressing uncertainty in measurement adopted widely by U.S. industry, companies in other countries, NIST, its sister national metrology institutes throughout the .

Measurement and Instrumentation introduces undergraduate engineering students to the measurement principles and the range of sensors and instruments that are used for measuring physical variables. Based on Morris’s Measurement and Instrumentation Principles, this brand new text has been fully updated with coverage of the latest developments. Ronald H. Dieck releases the fifth edition of his book Measurement Uncertainty to bring automation and control professionals up to date on ongoing technological advances and improvements in measurement uncertainty methods and applications. Read the full article. Read the full article. The measurement of values is fundamental in science and technology. Not only does this book include the importance of uncertainty, accuracy and precision of measurement, it also explains how laser technology has helped improve measurement and redefine standards. Handbook of uncertainty calculations 1 NFOGM, NPD, CMR, NIF Revision 2, March 1. INTRODUCTION In the Norwegian Society for Oil and Gas Measurement (NFOGM) initiated the establishment of a workgroup with the scope of work: “Uncertainty calculations of flow measurements in the oil and gas industry”.