DocumentCode
3479410
Title
The NPL Mark II Watt Balance: Final measurements at NPL
Author
Robinson, I.A.
Author_Institution
Nat. Phys. Lab., Teddington, UK
fYear
2010
fDate
13-18 June 2010
Firstpage
99
Lastpage
100
Abstract
Following the measurements made in the first half of 2008 and damage from a lightning strike in July 2008, final modifications and repairs to the NPL Mark II Watt Balance were completed in November 2008. The apparatus was realigned and measurements made from December 2008 to its shutdown in June 2009. A possible source of significant systematic error was discovered in June 2009 and initial tests were made to determine the magnitude of the effect. The apparatus has been transferred to NRC Canada and was dismantled and dispatched in the summer of 2009. It will be rebuilt in 2010.
Keywords
measurement errors; wattmeters; Canada; NPL Mark II watt balance; lightning strike; systematic error; Coils; Electric variables measurement; Electromagnetic measurements; Gravity measurement; Magnetic field measurement; Magnetic flux; Mechanical variables measurement; Power measurement; Velocity measurement; Voltage measurement;
fLanguage
English
Publisher
ieee
Conference_Titel
Precision Electromagnetic Measurements (CPEM), 2010 Conference on
Conference_Location
Daejeon
Print_ISBN
978-1-4244-6795-2
Type
conf
DOI
10.1109/CPEM.2010.5544421
Filename
5544421
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