Contec SP70B Handheld Digital Spirometer with Bluetooth and Colour Display

The Contec SP70B is an affordable entry-level model handheld spirometer with display suitable for monitoring the health condition of the lungs including smonitoring of asthma, COPD, cystic fibrosis, etc.
Now with colour display.

Features:

Forced Vital Capacity (FVC), forced expiratory volume in one second (FEV1) to forced vital capacity (FVC) ratio (FEV1/FVC), peak expiratory flow (PEF), forced expiratory flow at 25 % of FVC (FEF25), forced expiratory flow at 50 % of FVC (FEF50), forced expiratory flow at 75 % of FVC (FEF75) and forced expiratory flow from 25 % ~ 75 % of FVC (FEF2575) can be measured.
Parameters including FVC, FEV1, FEV1/FVC and PEF can be measured
Personal information setup including height, age, gender, etc.
Health status indication
Updated colour display
Bluetooth transmission
Data memory and case review function.
Trend chart display
Low battery indication.
Real-time clock display and setup.
Automatic power off function after 2 minutes with no operation
Mass storage device, stores up to 9999 cases
Calibration function.
Over - limit prompt function for volume and flow
Contec app available free for smart devices (App Store or Play Store) which allows data review via the bluetooth function

Technical Specification:
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: 2 x AAA batteries