| Specification | |
| Principle* | Pneumotachography |
| Display | 5.0“,480×854 pixels, 262K colors |
| Power supply | 3.7V lithium battery Rechargable Battery |
| Keypad | Touch Screen |
| Device weight | 575g |
| Flow range | 0-14L/s |
| Volume accuracy | ±3% or 50m L |
| Flow accuracy | ±5% or 200 mL |
| Sensor | Automatic BTPS convension |
| Main Parameters |
FVC,FEV1,FEV1/FVC,PEF,FEF25,FEF75, VC:VC,VT,IRV,ERV,IC MVV:MVV,RR,VT |
| Internal Printer | Yes |
| Cross Containmination Prevention | Excellent |
| Filter | Not needed |
| PC software | Yes |
| IOS application | No |
| Traffic light indicator | Yes |
| Rechargeable battery | No |
| Automated quality control | 0.025L/s |
| Minume flow detection | WIFI/HL7 |
| Transmission | Yes |
| Power Save mode | Yes |
| Real Time Curve | FVC,MVV,SVC |
