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College of Electrical Engineering, Yanshan University, Qinhuangdao hebei 066004)Qi, hanhong Tian,Yongjun, Wei,Yanjun Wang, Tiansheng(State Key Laboratory for Superconductor, Institute of Physics, Chinese Academy of Science, Beijing 100080)Zheng,DongningAbatract : A set of virtual instrument system based on Labview for measuring the R~T curve of the high temperature superconductor is designed in this paper. The control for the Current Source and nanovoltage meter is realized by the IEEE488 bus. The superconductivity is measured based on the zero resistance characteristics of the superconductor. The measurement is of high precision and of high speed. The man-machine interface is direct and friendly.
College of Electrical Engineering, Yanshan University, Qinhuangdao hebei 066004) Qi, hanhong Tian, Yongjun, Wei, Yanjun Wang, Tiansheng (State Key Laboratory for Superconductor, Institute of Physics, Chinese Academy of Sciences, Beijing 100080) Zheng, Dongning Abatract: A set of virtual instrument system based on Labview for measuring the R ~ T curve of the high temperature superconductor is designed in this paper. The control for the Current Source and nanovoltage meter is realized by the IEEE 488 bus. The superconductivity is measured based on the zero resistance characteristics of the superconductor. The measurement is of high precision and of high speed. The man-machine interface is direct and friendly.