A cryogenic current comparator bridge for resistance measurements at currents of up to 100 a

IEEE Transactions on Instrumentation and Measurement

Volumn 48, Issue 2, 1999, Pages 375-378

  Williams, Jonathan M ^a   Kleinschmidt, Peter ^a  

^a NATIONAL PHYSICAL LABORATORY   (United Kingdom)

Author keywords

Cryogenic current comparator; Resistance

Indexed keywords

EID: 0000656040     PISSN: 00189456     EISSN: None     Source Type: Journal    
DOI: 10.1109/19.769604     Document Type: Article

References (4)

1. J.M. Williams and A. Hartland, "An automated cryogenic current comparator resistance ratio bridge," IEEE Trans. Instrum. Meas., vol. 40, pp. 267-270, 1991.
2. K. Grohmann, H.-D. Hahlbohm, H. Lübbig, and H. Ramin, "Ironless cryogenic current comparators for ac and dc applications," IEEE Trans. Instrum. Meas., vol. IM-23, pp. 261-263, 1974.
3. K. Grohmann, H.-D. Hahlbohm, and D. Hechtfischer, "The cryo current comparator as a calculable dc ratio standard," IEEE Trans. Instrum. Meas., vol. IM-28, pp. 205-211, 1979.
4. J.M. Williams, "A dc current source for metrology applications," Sixth British Electromagnetic Measurements Conf. Dig., Teddington, U.K., 1993, pp. 19/1-19/4.