Spirometer, Portable Spirometer MS-99
Spesifikasi :
Display: Diagonal Line 5, 7 inch, Monochrome LCD,
Measurement: Flow Velocity Detection : pressure , gradient, pneumatic flow sensor,
Capacity: 0 - 9 Liters
Flow Velocity Range: 0 ~ 14 liters
Accuracy: 0 ~ 1, 6 liters ( ±