Study of DC voltage calibration

Xiuzeng Zhang,HongGang Zhao,Benxia Zou,Yue Liu,Lili Zhang

Jiliang Xuebao/Acta Metrologica Sinica（2007）

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摘要

With the application of JAVS, the uncertainty of DC voltage has been reached the level of 10-9 within 10 V. The quantum voltage standard must be operated at low temperature, and can not be used to calibrate higher voltage, so a system of DC voltage ratios should be used to trace other ranges of DC voltage to the quantum voltage standard. A high accuracy and high stability self-calibrated DC voltage ratios system is introduced.

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关键词

DC voltage ratios,Metrology,Resistance DC voltage divider,Uncertainty

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