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High precision measurement of DC voltage ratios from 20 V/10 V to 1000 V/10 V

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4 Author(s)
Xiuzeng Zhang ; Electromagn. Div., Nat. Inst. of Metrol., Beijing, China ; Jiaping Qie ; Lili Zhang ; Haiming Shao

This paper presents a new method of calibrating de voltage ratios from 20 V: 10 V to 1000 V: 10 V. A new battery-powered differential voltage detector has been developed to reduce the uncertainty of the measurement system. An absolute self-calibration process was used and traceability to a voltage ratio standard is not necessary. The uncertainties of dc voltage ratios (20 V to 1000 V): 10 V were less than 2 × 10-7

Published in:

IEEE Transactions on Instrumentation and Measurement  (Volume:51 ,  Issue: 1 )