Technical Specifications:

Spirometer

• Parameters: FVC, FEV1, FEV1/FVC%, FEV3, FEV3/FVC%, FEV6, FEV1/FEV6%, PEF, FEF25%, FEF50%, FEF75%, FEF25-75%, FET, Vext, Lung Age, FIVC, FIV1, FIV1/FIVC%, PIF, VC, IVC, IC, ERV, FEV1/VC%, VT, VE, Rf, ti, te, ti/t-tot, VT/ti, MVV
• Temperature sensor: semiconductor (0-45°C) 
• Flow sensor: bi-directional digital turbine 
• Flow range: ± 16 L/s 
• Volume accuracy: ± 3% or 50 mL 
• Flow accuracy: ± 5% or 200 mL/s 
• Dynamic resistance at 12 L/s: <0.5 cmH2O/L/s 
• Communication port: USB 
• Power Supply: line powered from USB port 
• Dimension: 52 x 128 x 26 mm 
• Weight: 70 grams 
• Carryng-case: included 

WinspiroPRO PC system requirements

• Microsoft Windows: Windows 7, Vista, 2000, Me, XP
• Screen resolution: 1024 x 768
• Hard disk space required: 500MB
• USB socket available