Determining And Reporting Measurement Uncertainties
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Determining And Reporting Measurement Uncertainties
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Author : National Conference of Standards Laboratories. Ad Hoc Committee on Measurement Uncertainties
language : en
Publisher:
Release Date : 1995-04
Determining And Reporting Measurement Uncertainties written by National Conference of Standards Laboratories. Ad Hoc Committee on Measurement Uncertainties and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-04 with Measurement categories.
Determining And Reporting Measurement Uncertainties
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Author : Ncsl
language : it
Publisher:
Release Date :
Determining And Reporting Measurement Uncertainties written by Ncsl and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Methodologies For Calculating Measurement Uncertainties
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Author :
language : en
Publisher:
Release Date : 1981
Methodologies For Calculating Measurement Uncertainties written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with categories.
An improved general procedure for estimating and reporting measurement uncertainty is outlined and is compared with other procedures. The primary advantage of the improved procedure is that the uncertainty is defined concisely, consistently, and objectively.
Measurement Uncertainty In Chemical Analysis
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Author : Paul De Bièvre
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Measurement Uncertainty In Chemical Analysis written by Paul De Bièvre and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
It is now becoming recognized in the measurement community that it is as important to communicate the uncertainty related to a specific measurement as it is to report the measurement itself. Without knowing the uncertainty, it is impossible for the users of the result to know what confidence can be placed in it; it is also impossible to assess the comparability of different measurements of the same parameter. This volume collects 20 outstanding papers on the topic, mostly published from 1999-2002 in the journal "Accreditation and Quality Assurance." They provide the rationale for why it is important to evaluate and report the uncertainty of a result in a consistent manner. They also describe the concept of uncertainty, the methodology for evaluating uncertainty, and the advantages of using suitable reference materials. Finally, the benefits to both the analytical laboratory and the user of the results are considered.
An Introduction To Measurement Uncertainty
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Author : Blair D Hall
language : en
Publisher:
Release Date : 2020
An Introduction To Measurement Uncertainty written by Blair D Hall and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Measurement uncertainty (Statistics) categories.
"This introduction to measurement uncertainty is intended for metrology professionals working in calibration laboratories and metrology institutes, as well as students in tertiary-level science and engineering programmes. The subject matter is presented with an emphasis on developing models of the physical measurement process. The level of mathematics and statistics used is basic and is typically covered by high school studies"--Distributor's website.
Data And Error Analysis
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Author : William Lichten
language : en
Publisher: Addison-Wesley
Release Date : 1999
Data And Error Analysis written by William Lichten and has been published by Addison-Wesley this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Computers categories.
For the lab/experimentation course in physics depts. and/or any course in physics, chemistry, geology, etc. with a lab component focusing on data and error analysis. Designed to help science students process data without lengthy and boring computations, this text/disk package provides useful algorithms and programs that allow students to do analysis more quickly than was previously possible. Using a "learn by doing" approach, it provides simple, handy rules for handling data and estimating errors both by graphical and analytic methods without long discussions and involved theoretical derivations.
The Uncertainties In Estimating Measurement Uncertainties
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Author :
language : en
Publisher:
Release Date : 1994
The Uncertainties In Estimating Measurement Uncertainties written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
All measurements include some error. Whether measurements are used for accountability, environmental programs or process support, they are of little value unless accompanied by an estimate of the measurements uncertainty. This fact is often overlooked by the individuals who need measurements to make decisions. This paper will discuss the concepts of measurement, measurements errors (accuracy or bias and precision or random error), physical and error models, measurement control programs, examples of measurement uncertainty, and uncertainty as related to measurement quality. Measurements are comparisons of unknowns to knowns, estimates of some true value plus uncertainty; and are no better than the standards to which they are compared. Direct comparisons of unknowns that match the composition of known standards will normally have small uncertainties. In the real world, measurements usually involve indirect comparisons of significantly different materials (e.g., measuring a physical property of a chemical element in a sample having a matrix that is significantly different from calibration standards matrix). Consequently, there are many sources of error involved in measurement processes that can affect the quality of a measurement and its associated uncertainty. How the uncertainty estimates are determined and what they mean is as important as the measurement. The process of calculating the uncertainty of a measurement itself has uncertainties that must be handled correctly. Examples of chemistry laboratory measurement will be reviewed in this report and recommendations made for improving measurement uncertainties.
Doubt Free Uncertainty In Measurement
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Author : Colin Ratcliffe
language : en
Publisher: Springer
Release Date : 2014-11-17
Doubt Free Uncertainty In Measurement written by Colin Ratcliffe and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-11-17 with Technology & Engineering categories.
This volume presents measurement uncertainty and uncertainty budgets in a form accessible to practicing engineers and engineering students from across a wide range of disciplines. The book gives a detailed explanation of the methods presented by NIST in the “GUM” – Guide to Uncertainty of Measurement. Emphasis is placed on explaining the background and meaning of the topics, while keeping the level of mathematics at the minimum level necessary. Dr. Colin Ratcliffe, USNA, and Bridget Ratcliffe, Johns Hopkins, develop uncertainty budgets and explain their use. In some examples, the budget may show a process is already adequate and where costs can be saved. In other examples, the budget may show the process is inadequate and needs improvement. The book demonstrates how uncertainty budgets help identify the most cost effective place to make changes. In addition, an extensive fully-worked case study leads readers through all issues related to an uncertainty analysis, including a variety of different types of uncertainty budgets. The book is ideal for professional engineers and students concerned with a broad range of measurement assurance challenges in applied sciences. This book also: Facilitates practicing engineers’ understanding of uncertainty budgets, essential to calculating cost-effective savings to a wide variety of processes contingent on measurement Presents uncertainty budgets in an accessible style suitable for all undergraduate STEM courses that include a laboratory component Provides a highly adaptable supplement to graduate textbooks for courses where students’ work includes reporting on experimental results Includes an expanded case study developing uncertainty from transducers though measurands and propagated to the final measurement that can be used as a template for the analysis of many processes Stands as a useful pocket reference for all engineers and experimental scientists
Estimating Uncertainties In Testing
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Author : Keith Birch
language : en
Publisher:
Release Date : 2001
Estimating Uncertainties In Testing written by Keith Birch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Laboratories categories.
Guidelines For Evaluating And Expressing The Uncertainty Of Nist Measurement Results Rev Ed
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Author : Barry N. Taylor
language : en
Publisher: DIANE Publishing
Release Date : 2009-11
Guidelines For Evaluating And Expressing The Uncertainty Of Nist Measurement Results Rev Ed written by Barry N. Taylor and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-11 with Science categories.
Results of measurements and conclusions derived from them constitute much of the technical information produced by the National Institute of Standards and Technology (NIST). In July 1992 the Director of NIST appointed an Ad Hoc Committee on Uncertainty Statements and charged it with recommending a policy on this important topic. The Committee concluded that the CIPM approach could be used to provide quantitative expression of measurement that would satisfy NIST¿s customers¿ requirements. NIST initially published a Technical Note on this issue in Jan. 1993. This 1994 edition addresses the most important questions raised by recipients concerning some of the points it addressed and some it did not. Illustrations.