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Reproducibility [electronic resource] : A Major Source of Uncertainty in Weighing

Published:
Washington, D.C. : United States. Dept. of Energy, 2003.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
vp : digital, PDF file
Additional Creators:
United States. Department of Energy. Savannah River Site, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
Balance confirmation tests usually include eccentricity, linearity, and repeatability. The latter is a measure of the random variability of the instrument. Further, repeatability is usually based on 10 consecutive measurements of a mass standard in a short period of time. The test results are used to verify the balance performs within manufacturer's specifications. These test results are often used in calculating an estimate of the uncertainty in measurements made with the balance. Uncertainty estimates, used to quantify the quality of measurements, must accurately estimate the magnitude of these errors. Does the repeatability test provide a realistic estimate of the random variation in the weighing process? The authors had concerns that it may not. The reproducibility estimate of the balance needs to be determined for the variables that will change between measurements of the same material while the other parameters are held constant by procedures and training.
Report Numbers:
E 1.99:wsrc-ms-2003-00322
wsrc-ms-2003-00322
Subject(s):
Other Subject(s):
Note:
Published through SciTech Connect.
05/21/2003.
"wsrc-ms-2003-00322"
South Yorkshire International Weighing Conference 2003, Bamsley (GB), 06/17/2003--06/18/2003.
Clark, J.P.
Funding Information:
AC09-96SR18500
View MARC record | catkey: 14674011