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本文介绍一种供分度热电偶用的低温恒温器.实验得出:从室温到20K,恒温器的恒温精度可达±0.005K,从20K到4.2K,恒温器的恒温精度可达±0.01K.
In this paper, a cryostat for indexing thermocouples is introduced in this paper.The experiment shows that the thermostat can achieve a constant temperature accuracy of ± 0.005K from room temperature to 20K, and the thermostat has a constant temperature accuracy of ± 0.01 from 20K to 4.2K K.