DocumentCode
2977348
Title
Experimental noise sources in the NIST watt balance
Author
Steiner, R.L. ; Newell, D.B. ; Williams, E.R.
Author_Institution
Nat. Inst. of Stand. & Technol., Gaithersburg, MD, USA
fYear
1998
fDate
6-10 July 1998
Firstpage
621
Lastpage
622
Abstract
The present NIST watt balance has relative combined standard uncertainty of about 145 nW/W. The final results of this phase of the experiment are presented. Improvements in the Type B (nonstatistical) uncertainty contributions, along with several correction factors and noise sources, are also discussed.
Keywords
balances; constants; mass measurement; measurement errors; measurement standards; measurement uncertainty; NIST watt balance; Type B uncertainty contributions; absolute ampere experiments; artifacts; combined standard uncertainty; correction factors; external effects; fundamental constants; kilogram monitoring; noise sources; references; Coils; Density measurement; Force measurement; Gravity; Magnetic flux density; NIST; Pollution measurement; Refractive index; Uncertainty; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Precision Electromagnetic Measurements Digest, 1998 Conference on
Conference_Location
Washington, DC, USA
Print_ISBN
0-7803-5018-9
Type
conf
DOI
10.1109/CPEM.1998.700110
Filename
700110
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