... parameters 50 ~ 1500 ml tidal volume Frequency of 2 to 99 times / min SIMV frequency 1 ~ 20 times / min Absorption ... 1.5 times 4. Ventilation monitoring Tidal volume, ventilation, IPPV frequency, SIMV frequency, total respiratory rate, ratio, peak airway pressure, pressure - ... the sound, light alarm Power failure alarm 6. Power Supply AC 220V ± 10% 50Hz ± 1Hz UPS power supply, battery Multi-function ...