1. Department of Military Biomedical Engineering, Air Force Medical University, Xi’an Shaanxi 710032, China丨
2. PLA 73096 Troop, Nanjing Jiangsu 210049, China
Abstract：Objective The performance test of automatic oxygen concentration detector based on copper ammonia method is
carried out to verify whether the accuracy of its oxygen concentration measurement meets the actual measurement requirements.
Methods The oxygen concentration of standard gases with different oxygen concentrations was measured in plain environment
and simulated plateau environment, and the measurement uncertainty method and statistical hypothesis test method were used to
analyze the measurement results. Results In the range of 0~90%, the uncertainty of the oxygen concentration measurement results
of the prototype of the automatic oxygen concentration detector based on cuprammonium method ≤0.5%, the indication error
≤0.5%FS, the repeatability ≤1.5%. In the range of 99%~100%, the uncertainty ≤0.05%, the indication error≤0.05%FS, the
repeatability≤0.05%, and there was no significant difference between the measured results in low pressure environment of plain and
plateau. Conclusion The performance of the prototype of the automatic oxygen concentration detector based on cuprammonium
method meets the design requirements and meets the actual oxygen concentration measurement needs.
郭伟1，丁攀2，刘娟1，罗二平1，汤池1. 基于铜氨法的自动化氧浓度检测仪性能测试研究[J]. 中国医疗设备, 2021, 36(11): 36-39.
GUO Wei1，DING Pan2，LIU Juan1，LUO Erping1，TANG Chi1. Research on Performance Test of Automatic Oxygen Concentration Detector
Based on Cuprammonium Method. China Medical Devices, 2021, 36(11): 36-39.
