Spirometer Contec Sp 70B / Spirometer Digital Contec Sp 70B

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 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 1)A User Manual （GB only）on request for other Language 2)A mouthpiece (disposable)   Physical characteristic Dimension: 138 mm(L)×63 mm(W)×47 mm(H) Weight: 130g (with batteries)