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| Research on the National Voltage Standard for 30 kHz~30 MHz |
| HE Zhao,HUANG Jian-ming,TIAN Wei |
| National Institute of Metrology, Beijing 100029, China |
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Abstract Based on coaxial thermal voltage converters, the national voltage standard for 30 kHz~30 MHz has been established by National Institute of Metrology (NIM). The results of theoretical analysis and experiments indicate that in the frequency band of 30 kHz to 30 MHz and voltage range 0.1 V to 100 V, the uncertainty is 0.01% to 0.1% (k=2). This accomplishment has filled the gap of the national voltage standard in 1~30 MHz.
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2014, Vol. 35 
