CI-PC13 Portable oxygen analyzer Product FeaturesMicroprocessor as the core, frequency conversion ion flow oxygen sensor as the measuring unit, with intelligence, good stability, high precision, long calibration cycle and so on;Pressure detection function: test the internal relative pressure of the gas path, determine whether the gas path is blocked, when the sample gas pressure exceeds the set fan chart, will issue an alarm;Menu lock switch: prevent misoperation to change theparameters of the a...