Title :
Monitoring the mass standard: a comparison of mechanical to electrical power
Author :
Olsen, P.T. ; Tew, W.L. ; Elmquist, R.E. ; Williams, E.R.
Author_Institution :
Nat. Inst. of Stand. & Technol., Gaithersburg, MD, USA
Abstract :
An ongoing absolute watt experiment that shows the promise of being able to monitor the stability of the kilogram standard to better than 0.05 p.p.m. is discussed. The theory is presented, and the latest improvements to the experimental apparatus are briefly described.<>
Keywords :
mass measurement; measurement standards; power measurement; units (measurement); SI; absolute watt experiment; kilogram standard; mass standard; Coils; Force measurement; Laboratories; Magnetic circuits; Magnetic field measurement; Measurement units; Monitoring; NIST; Stability; Voltage;
Conference_Titel :
Precision Electromagnetic Measurements, 1990. CPEM '90 Digest., Conference on
Conference_Location :
Ottawa, Ontario, Canada
DOI :
10.1109/CPEM.1990.109979