Title :
The SP Josephson potentiometer quantum Hall resistance standard
Author :
Eklund, G. ; Gunnarsson, O. ; Nilsson, H.
Author_Institution :
SP Swedish Nat. Testing & Res. Inst., Boras, Sweden
Abstract :
A Josephson potentiometer method has been developed at SP for Quantum Hall Resistance (QHR) measurements. The QHR 12.9 k/spl Omega/ value is used for the determination of the resistance value of a room temperature 10 k/spl Omega/ resistor. The measurements have given excellent agreement with the maintained 1 /spl Omega/ primary group level.
Keywords :
electric resistance measurement; measurement standards; potentiometers; quantum Hall effect; superconducting arrays; superconducting junction devices; 10 kohm; 12.9 kohm; Josephson array voltage standard; Josephson potentiometer method; precision measurement; quantum Hall resistance standard; room temperature standard resistor; uncertainty budget; Battery charge measurement; Current measurement; Electrical resistance measurement; Potentiometers; Resistors; Switches; Temperature; Virtual reality; Voltage; Voltmeters;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 2000 Conference on
Conference_Location :
Sydney, NSW, Australia
Print_ISBN :
0-7803-5744-2
DOI :
10.1109/CPEM.2000.851130
