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Loading effects in resistance scaling

delete1997-04-01
delete10
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R
Randolph E. Elmquist
R
R.F. Dziuba
DOI:10.1109/19.571847delete
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摘要

摘要

En 中文
Reference resistors are affected by the heating of the resistor element caused by the measurement current. The effects of such loading are complex and can change in magnitude as a function of the initial state of the resistor and the external environment. This paper describes a method for determining relative load coefficients by using cryogenic current comparator ratio measurements in a two-step scaling process. Previously undiscovered loading effects are analyzed using a resistance element made from copper, which has an easily measured change of resistance with temperature. The magnitude of loading effects in several types of resistors are listed.

期刊

IEEE Transactions on Instrumentation and Measurement 封面图
IEEE Transactions on Instrumentation and Measurement
IF:
5.9
论文数:
2.0W
被引数:
5.8W

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