Digital SPM-D Handheld Spirometer Digital Checking Lung Conditions+PC Software 医疗耗材 there is an error of

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Manual P: To help you adjust the pressure during sleep therapy is too high or too low to bring discomfort

The 8GB capacity of the SD card can fully record patient treatment information data

Arrhythmia detection

Digital SPM-D Handheld Spirometer Digital Checking Lung Conditions+PC Software 医疗耗材 there is an error ofIntroduction Spirometer SPM D is a pulmonary function test equipment, equipped with professional pulmonary function software, used to detect the respiratory function status of patients; using the principle of differential pressure collection, it can perform forced vital capacity FVC, vital capacity SVC, maximum minute ventilation MVV, Measurement of resting minute ventilation MV and related parameters, real time display of respiratory waveform,