... ~ 30:2 3. Tidal volume:0~12000ml 4. PLC control Portable Cardiopulmonary Resuscitation Machine (Portable CRP machine)Model: MC- ... has stable pressure, stable air supply, avoid alveolar overpressurePLC control system, Mechanical and electrical integration, light weight, small ... this Cardiopulmonary Resuscitation Machine . MC-CRP-1B PLC control Ambrance Portable Cardiopulmonary Resuscitation Machine