SPIROMETER is a hand-held equipment for checking lung conditions, it adopts the infrared mode for measuring relative items, and is applicable for hospital, clinic, family for routine test.

Features
Personal information setup, including height, age, gender, etc.
Health status indication.
BT transmission.
Data memory and case review function.
Low battery indication.
Real-time clock display and setup.
Automatic power off function.

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
1)A User Manual
2)A mouthpiece (disposable)
3)A nose clip (optional)