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Study on calibration period of Gas Sensor in exercise Pulmonary Function instrument

Jingxia Sun, Aimin Zhang, Guoqiang Gong, Jian Jiang

Abstract

Objective: to study the calibration period of the main motor pulmonary function instrument sensor. Methods: A matched control group was used, one was calibrated periodically and the other was not calibrated. The calibration values of oxygen sensor and carbon
dioxide sensor were compared. Results: the oxygen sensor of electrochemical type was most sensitive to the change of time and environment, and the carbon dioxide sensor of infrared type was more sensitive to the change of time and environment. Conclusion: oxygen sensors of electrochemical type and carbon dioxide sensors of infrared type should be calibrated before each use.

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DOI: http://dx.doi.org/10.26549/met.v2i3.1133

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