Title :
The national inductance standard in NIM
Author :
Wang Xin ; Lu Wenjun ; Din Cheng ; He Xiaobing ; Shao Fang
Author_Institution :
Electr.-Magnetic Div., Nat. Inst. of Metrol., Beijing, China
Abstract :
A modified Maxwell bridge has been made from several sets of Wilkins resistors and two boxes combined with a capacitor and a conductance with a IVD. The paper proposes a method that can eliminate the effect of the resistance time constant and emphasizes how to design a source balance network.
Keywords :
Bridge circuits; Inductance measurement; Measurement standards; Measurement uncertainty; RC circuits; IVD; Wilkins resistors; measurement uncertainty; modified Maxwell bridge; national inductance standard; quality factor; ratio transformer; resistance time constant effect; source balance network; standard resistors; Bridge circuits; Capacitors; Contacts; Electrical resistance measurement; Frequency; Helium; Inductance measurement; Metrology; Resistors; Switches;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 2000 Conference on
Conference_Location :
Sydney, NSW, Australia
Print_ISBN :
0-7803-5744-2
DOI :
10.1109/CPEM.2000.850916
