| Serial number | name | specification |
| 1 | Air duct 1 | Pressure control range: 19-135Pa (under no load) Pressure control accuracy: 0.2% ± 2Pa (under no-load) Flow control range: 13-30L/min (under no load) Flow control accuracy: 1% ± 0.2L/min (under no load) |
| 2 | Air duct 2 | Pressure control range: 0.45-4.30kPa (under no load) Pressure control accuracy: 0.2% ± 0.01kPa (under no load) Flow control range: 70-200L/min Flow control accuracy: 1% ± 0.2L/min |
| 3 | Air duct 1 (optional) | Pressure control range: 19-60Pa (under no load) Pressure control accuracy: 0.2% ± 2Pa (under no-load) Flow control range: 13-17L/min (under no load) Flow control accuracy: 1% ± 0.2L/min (under no load) |
