Parameters including FVC, FEV1, FEV1/FVC and PEF can be measured. And the testee
User information setup.
Case review function.
Mass storage of cases.
Expiratory time indication function.
Data transmission by BT and USB.
Calibration function ensures test accuracy.
Power indicator and test indicator light.
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)
Working current: 60 mA
Power supply: rechargeable lithium battery
Type of protection against electric shock: internally powered equipment
Degree of protection against electric shock: type BF applied part
Degree of protection against ingress of liquid: IP22
A User Manual
A USB data line
A mouthpiece
PC Software(download by the user himself,thanks)
A power adapter (optional)
A nose clip (optional)
Dimension: 160 mm*65 mm*45 mm
Weight: 190g