DocumentCode
2281317
Title
A magnetic levitation technique for the simultaneous comparison of mass artifacts in air and vacuum
Author
Jabbour, Z. ; Abbott, P.J. ; Chalfoun, J. ; Liu, R. ; Williams, E.
Author_Institution
Manuf. Eng. Lab., Nat. Institiute of Stand. & Technol., Gaithersburg, MD, USA
fYear
2008
fDate
8-13 June 2008
Firstpage
662
Lastpage
663
Abstract
We describe a mass comparison system in which a test mass artifact in air can be directly compared to a standard mass artifact in vacuum using the same high precision comparator balance. The system uses a magnetic levitation technique to couple the weighing pan of the comparator balance in vacuum to the test mass in air. We will discuss motivation, design considerations, and preliminary results.
Keywords
balances; magnetic levitation; mass measurement; air; high precision comparator balance; magnetic levitation; mass artifacts; mass comparison system; vacuum; weighing pan; Couplings; Force measurement; Laboratories; Magnetic field measurement; Magnetic levitation; Pressure measurement; System testing; Vacuum systems; Vacuum technology; Vibration measurement;
fLanguage
English
Publisher
ieee
Conference_Titel
Precision Electromagnetic Measurements Digest, 2008. CPEM 2008. Conference on
Conference_Location
Broomfield, CO
Print_ISBN
978-1-4244-2399-6
Electronic_ISBN
978-1-4244-2400-9
Type
conf
DOI
10.1109/CPEM.2008.4574953
Filename
4574953
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