Parameters including FVC, FEV1, FEV1/FVC and PEF can be measured.
Personal information setup, including height, age, gender, etc.
Health status indication.
Data memory and case review function.
Low battery indication.
Real-time clock display and setup.
Automatic power off function.
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
1)A User Manual
2)A mouthpiece (disposable)
3)A nose clip (optional)
Dimension: 138 mm(L)×63 mm(W)×47 mm(H)
Weight: 130g (with batteries)