Portable VentilatorMain Feature: 1.Gas driven electronically controlled. 2.Time switch, volume control, pressure limit ventilation mode. 3.I:E function 4.LCD display ventilation parameters, preset parameters alarm indication and breathing waveform 5.Applied for adult and child Main Specification: 1.Power : AC 110 22OV(+-)10%,50 Hz 60Hz(+-)1Hz, DC 12V 1.5A. 2.Mode: IPPV, IPPV+SIGH, A/C (SIPPV), SIMV, SPONT, MANUAL 3.Tidal volume: 0 1.5L 4.Ventilation volume per minute: 0L 20L 5.Frequency: 4 99/min. (1 40/min under SIMV) 6.Inhalation trigger pressure:-2.0 +2.0Kpa 7.O2 concentration: 48 100% adjustable. 8.Pressure limitation: 1 5.5KPa 9.Ventilation monitoring: Tidal volume,Minute ventilation,Frequency,Airway Pressure. Waveform of time-airway Pressure. SPONT inhalation triggers indication, power indication. Alarm: (Audible and visible reminding) No tidal volume, ventilation volume is too high (low) , airway Pressure is too high (low), frequency is too high, AC Power off , back up battery voltage is too low Gas source: Oxygen or Purify air Working Pressure: 0.4Mpa. Allowable range: 0 .3 0.5MPa O2 cylinder: 3L (Max Pressure 15MPa) Internal back-up battery: DC 12V ≥3 hours. Volume: 310mm x 190mm x 115mm (L x H x W). Reserve Condition: Temperature:-10 40°C,Relative humidity: ≤90% Working condition: Temperature:5 40°C,.Relative humidity:≤80%