JIUJIUXIN emergency/transport/portable ventilator has three gas source modes:

1. Standard 2L oxygen cylinder;

2. Other oxygen cylinders of various specifications;

3. Oxygen supply on the wall center;

Alarm phenomenon of JIUJIUXIN emergency/portable/transport ventilator: the "SL" letter or pressure gauge symbol flashes on the screen, and the ventilator gives an audible and visual alarm;

Alarm value: when the gas source pressure is lower than 0.28MPa;

Alarm reason: the output pressure of gas source is too low (0.4MPa recommended); the output pressure of pressure reducing valve or central oxygen supply is not stable;