Connect the convex part of the mouthpiece to the concave connection part of the product.
If the coupling is not connected well, there may be errors in the measurement.
[Specification]
- Display : 4"TFT LCD (880 X 480 resolution)
- Interface : Touch pad, 1-power key
- Date transmission : USB 2.0
- Memory : Up to 1000 data
- Volume accuracy : ±3.0% or 0.005L
- Flow accuracy : ±5%, 10L/min(0.17L/s)
- Parameters :
FVC,FEV0.5,FEV1,FEV3, FEV0.5/FVC,FEV1/FVC,
FEV3/FVC, PEF, FEF25-75%, MEF25%, MEF50%,
MEF75%, FIVC, FIV1, FIV1/FIVC, FIV1/FVC, PIF,
SVC, TV, ERV, IRV, MVV, RR,
PRE/POST Test