... 10%, 60Hz± 1HzIternal battery: DC12V (over for 2 hours)Power consumption: ≤ 50WAnesthesia VentilatorRespiration mode: IPPV, SIMV, SIGH, ... alarm, Low pressure alarm, O2 source failure alarm, AC power failure alarmHigh Pressure alarm limit: 20~60cmH2O Low Pressure ... and minor respiration impedanceMain UnitCircle absorber: Compact circle absorberFlow meter:O2, N2O four-tube flow meterO2 tube: 0L ...