The Safey COPD communicates with Safey COPD Spirometer via usb. The app will measure following parameters:
Peak expiratory flow - PEF
Volume expired in the first second - FEV1
Forced Vital Capacity - FVC
FEV1/FVC
Lung Age
Medical Disclaimer - The Safey COPD Spirometer devices are used for respiratory diagnosis. A layman user should not make any medical decisions based on the output from the Device and the App. Only a licensed healthcare professional can make medical decisions based on the data from the Device and the App.