The OFMET Watt balance: Progress report

A new type of moving-coil Watt balance with a compact design is under construction at the Swiss Federal Office of Metrology (OFMET). Recently, several key components of the system have been characterized. In this paper, a detailed description of the mechanical setup, an assessment of the magnet, the...

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Bibliographic Details
Published inIEEE transactions on instrumentation and measurement Vol. 50; no. 2; pp. 583 - 586
Main Authors Beer, W., Eichenberger, A.L., Jeanneret, B., Jeckelmann, B., Schneiter, P.R.H., Pourzand, A.R., Courteville, A., Dandliker, R.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.04.2001
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Assessments
Ball bearings
Coils
Control
Design engineering
Electric potential
Instrumentation
Magnetic field measurement
Measurement standards
Metrology
NIST
Optical interferometry
Proposals
Velocity measurement
Voltage
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Summary:A new type of moving-coil Watt balance with a compact design is under construction at the Swiss Federal Office of Metrology (OFMET). Recently, several key components of the system have been characterized. In this paper, a detailed description of the mechanical setup, an assessment of the magnet, the optical system for speed measurement and regulation, and the programmable Josephson voltage standard are reported.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0018-9456
1557-9662
DOI:10.1109/19.918197