Features

• Parameters including FVC, FEV1, FEV1/FVC and PEF can be measured.
• Personal information setup, including height, age, gender, etc.
• Health status indication.
• Bluetooth transmission.
• Data memory and case review function.
• Low battery indication.
• Real-time clock display and setup.
• Automatic power off function.
• Mass storage device, stores up to 9999 cases.
• Performance
• Volume range: 0～10 L
• Flow rate range: 0 L/s～16 L/s
• Volume accuracy: ±3 ％ or 0.05 L (whichever is greater)
• Flow rate accuracy: ±5 ％ or 0.2 L/s (whichever is greater)
• Safety classification: internally powered equipment, type BF applied part
• Working current: 80 mA
• Power supply: two AAA batteries

Accessories

• User Manual
• Mouthpiece (disposable)

Physical characteristic

• Dimension: 138 mm(L)×63 mm(W)×47 mm(H)
• Weight: 130g (with batteries)