Present status of the LNE watt balance

The LNE watt balance is in the final stage of assembly. Very first measurements of the magnetic field profile have been made and will be improved during the next months. Characterization of the force comparator has also been performed and leads to a type A uncertainty on the mass determination of so...

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Bibliographic Details
Main Authors: Thomas, M., Espel, P., Bielsa, F., Juncar, P., Pinot, P., Geneves, G.
Format: Conference Proceeding
Language:English
Subjects:
Coils
Current measurement
Force measurement
fundamental constants
Kilogram
Magnetic circuits
Magnetic field measurement
Phase measurement
Planck constant
S.I
Temperature measurement
watt balance
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Description
Summary:The LNE watt balance is in the final stage of assembly. Very first measurements of the magnetic field profile have been made and will be improved during the next months. Characterization of the force comparator has also been performed and leads to a type A uncertainty on the mass determination of some micrograms.
ISSN:0589-1485
2160-0171
DOI:10.1109/CPEM.2012.6250937