Title :
Reproducibility of the metas watt balance
Author :
Eichenberger, A. ; Baumann, H. ; Jeanneret, B. ; Jeckelmann, B.
Author_Institution :
Fed. Office of Metrol. METAS, Bern
Abstract :
After several mechanical improvements, the METAS watt balance has been fully operational during the last 18 months. The reproducibility, alignment issues and the long term stability of the apparatus are discussed.
Keywords :
mass measurement; measurement standards; METAS watt balance; long term stability; mass measurement; Coils; Laser beams; Laser modes; Mechanical systems; Optical interferometry; Reproducibility of results; Stability; System testing; Velocity measurement; Voltage;
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
DOI :
10.1109/CPEM.2008.4574628