Portable Contec Spirometer

Measures FVC, FEV1, FEV1%, PEF, FEF25, FEF75 and FEF25–75 Displays flow-volume and volume-time curves Built-in predicted values for comparison Data storage, review, deletion and trend display Calibration/scaling function Automatic alerts when measured flow or volume exceeds limits Rechargeable lithium battery Automatic power-off after 1 minute of inactivity USB connection for data transfer/PC software