Monitoring the 1 {Omega} standard resistor by quantum Hall effect
Conference
·
OSTI ID:125741
- Electrotechnical Lab., Ibaraki (Japan); and others
Resistance standards at ETL are maintained by quantum Hall effect. Resistance of the 1 {Omega} resistor named 69J101 is monitored. The result is R{sub 69J101} = 1 - (6.682 {+-} 0.018) x 10{sup -6} + (0.110 {+-} 0.003) x 10{sup -6} t {Omega} where t is time in years from January 1, 1994. The difference of 1 {Omega} standard between ETL and BIPM on 1990 international comparison is reduced from -0.128 ppm to -0.044 ppm.
- OSTI ID:
- 125741
- Report Number(s):
- CONF-940603--
- Country of Publication:
- United States
- Language:
- English
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