Acta Metrologica Sinica  2025, Vol. 46 Issue (1): 7-13    DOI: 10.3969/j.issn.1000-1158.2025.01.02
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The Research and Establishment of the AC Resistance Standard
HUANG Lu1,2, YANG Yan1,2, WANG Wei1,2, ZHANG Jiangtao1,2
1.National Institute of Metrology, Beijing 100029, China
2.Key Laboratory of Electrical Quantum;Standards, State Administration for Market Regulation, Beijing 100029, China
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Abstract  The composition and principle of the ac resistance standard is introduced. One set of the four terminal-pair (4TP) ac resistance bridge is developed. In comparison with the quadrifilar reversed resistor traced to the new national calculable cross-capacitor standard and the quantum hall resistance standard, the precision dissemination of the ac resistance and time constant with the range from 1 Ω to 1 MΩ at the frequency between 400 Hz and 10 kHz can be performed. The relative standard uncertainty of the ac resistance is evaluated between 0.1 μΩ/Ω and 6.0 μΩ/Ω.
Key wordselectromagnetic metrology      ac resistance      quadrifilar reversed resistor      frequency dependence      four terminal-pair definition     
Received: 27 May 2024      Published: 14 January 2025
PACS:  TB971  
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Cite this article:   
HUANG Lu,YANG Yan,WANG Wei, et al. The Research and Establishment of the AC Resistance Standard[J]. Acta Metrologica Sinica, 2025, 46(1): 7-13.
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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2025.01.02     OR     http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2025/V46/I1/7
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