| Model |
PA-900B Standard |
PA-900B Advanced |
| Display |
10.4-inch color TFT, fully adjustable |
10.4-inch color TFT, fully adjustable |
| Material |
ABS and Metal |
ABS and Metal |
| Operating Principle |
Pneumatically driven & electronically controlled |
Pneumatically driven & electronically controlled |
| Breathing Systems |
Closed, Semi-closed, Semi-open |
Closed, Semi-closed, Semi-open |
| Ventilation Modes |
IPPV, SIPPV, PCV, PSV, SIMV, P-SIMV, CPAP, MANUAL |
IPPV, SIPPV, PCV, PSV, SIMV, P-SIMV, CPAP, MANUAL |
| Tidal Volume Range |
20–1500 mL |
20–1500 mL |
| Minute Volume |
≥18 L/min |
≥18 L/min |
| O₂ Concentration Range |
45%–100% |
21%–100% |
| Respiratory Frequency |
1–99 bpm |
1–99 bpm |
| SIMV Frequency |
1–20 bpm |
1–20 bpm |
| I:E Ratio |
4:1–1:4 |
4:1–1:4 |
| Inspiratory Pressure Trigger |
–1.0 to +1.0 kPa |
–1.0 to +1.0 kPa |
| PEEP Range |
0–1 kPa |
0–1 kPa |
| SIGH Function |
1–8 per 100 breaths (tidal volume ≥1.5× set) |
1–8 per 100 breaths (tidal volume ≥1.5× set) |
| Pressure Limit Range |
1.0–6.0 kPa |
1.0–6.0 kPa |
| Gas Supply Requirement |
280–600 kPa medical-grade O₂ and air |
280–600 kPa medical-grade O₂ and air |
| Flow Sensors |
Dual electronic flow sensors + infrared turbine sensor |
Dual electronic flow sensors + infrared turbine sensor |
| Trigger Types |
Pressure trigger, Flow trigger |
Pressure trigger, Flow trigger |
| Humidifier |
9-level adjustable |
9-level adjustable |
| Alarms |
Tidal volume, airway pressure, O₂ concentration, power failure, etc. |
Same as Standard Model |
| Alarm History |
Supported |
Supported |
| Power Failure Support |
Auto-standby mode |
Auto-standby mode |
| Backup Power Supply |
Yes |
Yes |
| Self-Check & Calibration |
Automated startup self-check |
Automated startup self-check |
| Primary Applications |
Emergency resuscitation, anesthesia, respiratory therapy |
Critical care, prolonged ventilation, neonatal/pediatric support |