Title :
Computer-controlled low thermal EMF rotary switches (voltage measurement)
Author :
Sakamoto, Yuta ; Odawara, A. ; Endo, T.
Author_Institution :
Electrotech. Lab., Ibaraki, Japan
Abstract :
Computer-controlled low-thermal-EMF switches with a configuration that minimizes heating due to friction at the contact are reported. Preliminary measurement results are presented. The thermal EMFs of the switches settle within a few seconds after switching, and the reproducibility of the EMF is better than 1.5 nV.<>
Keywords :
computerised control; electric potential; switches; voltage measurement; computer controlled switches; friction; low thermal EMF rotary switches; reproducibility; voltage divider; Aluminum; Bars; Copper; Electrodes; Glass; Power supplies; Shafts; Switches; Switching circuits; Voltage measurement;
Conference_Titel :
Precision Electromagnetic Measurements, 1990. CPEM '90 Digest., Conference on
Conference_Location :
Ottawa, Ontario, Canada
DOI :
10.1109/CPEM.1990.109954
