Spirometer

Spirometer Features: Designed for daily home healthcare and clinique Light weight and portable size 1.8" 160x128 TFT display, led backlight. Simple operation and rapid test. Basically analyse and state explain. Provide rate-volume and volume-time waveform used for diagnosing to doctor Inner flash memery for data storage, and the storage data can be uploaded to computers. （used USB or wireless manners） Power capacity indication and automatic power off in 1 minute. Specifications: Max volume: 10L Flow range: 16L/s Volume accuracy: ±3％ or 50ml Flow accuracy: ±5% or 200ml/s Battery:built-in lithium battery (DC 3.7V) Dimension:97mm（L） × 89mm（W）× 36mm（H） Netweight: 150g