The upgrade of NIM-2 joule balance since 2017

Li, ZK; Bai, Y; Xu, JX; Lu, YF; Hu, PC; Liu, YM; Wang, DW; You, Q; Qian, LS; Zhang, ZH; He, Q; Tan, JB

Li, ZK (corresponding author), Natl Inst Metrol, Beijing 100029, Peoples R China.; Li, ZK (corresponding author), Key Lab Elect Quantum Standard SMR, Beijing 100029, Peoples R China.

METROLOGIA, 2020; 57 (5):

Abstract

In 2017, we published the first measurement result with the NIM-2 joule balance and the relative standard uncertainty was 2.4 x 10(-7). Since then, a ......

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