DocumentCode
1457456
Title
A buoyancy-free mass comparator with precision better than 10-6 for use in a superconducting magnetic levitation system
Author
Fujii, Yusaku ; Shiota, Fuyuhiko ; Miki, Yukinobu ; Nezu, Yoshiaki ; Makishita, Go ; Hara, Ko
Author_Institution
Nat. Res. Lab. of Metrol., Ibaraki, Japan
Volume
46
Issue
2
fYear
1997
fDate
4/1/1997 12:00:00 AM
Firstpage
609
Lastpage
612
Abstract
A system for measuring mass without the necessity of correcting for the buoyancy of air with a relative standard uncertainty better than 10-6 has been developed. The system is intended for use in determining the mass of the floating body in the superconducting magnetic levitation system
Keywords
magnetic levitation; mass measurement; measurement errors; measurement standards; superconducting devices; vacuum techniques; National Research Laboratory of Metrology; buoyancy of air; buoyancy-free mass comparator; floating body mass determination; low pressure He environment; mass measurement; mass stability; relative standard uncertainty; superconducting magnetic levitation system; vacuum balance; vacuum weighing; Atmospheric measurements; Density measurement; Helium; Laboratories; Magnetic levitation; Magnetic materials; Measurement standards; Superconducting materials; Temperature; Uncertainty;
fLanguage
English
Journal_Title
Instrumentation and Measurement, IEEE Transactions on
Publisher
ieee
ISSN
0018-9456
Type
jour
DOI
10.1109/19.571935
Filename
571935
Link To Document