Title :
The NPL moving-coil watt balance
Author :
Robinson, I.A. ; Kibble, B.P. ; Belliss, J.H.
Author_Institution :
Nat. Phys. Lab., Teddington, UK
fDate :
June 27 1994-July 1 1994
Abstract :
We describe progress since the 1992 CPEM towards linking the electrical to the mechanical watt with less than 1 in 10/sup 8/ uncertainty to measure Planck´s constant and monitor the stability of the kilogram.<>
Keywords :
balances; coils; constants; gravimeters; mass measurement; power measurement; units (measurement); NPL moving-coil watt balance; Planck´s constant; electrical watt; kilogram; measurement errors; mechanical watt; stability; uncertainty; Coils; Electric variables measurement; Electrical resistance measurement; Joining processes; Laboratories; Magnetic flux; Measurement uncertainty; Mechanical variables measurement; Monitoring; Stability;
Conference_Titel :
Precision Electromagnetic Measurements, 1994. Digest., 1994 Conference on
Conference_Location :
Boulder, CO, USA
Print_ISBN :
0-7803-1984-2
DOI :
10.1109/CPEM.1994.333182
