... *dual system design, at the same time filling the two refrigerant * Dual independent pneumatic pressurization system * Germany Flow Sensor * ... AC220V ± 10% optional) 50HZ Power: 1KW Control voltage: DC24V Filling refrigerant: A Gun:R600a, B Gun:R134a, R404A, R407c, R410A ... The ... % Vacuum rate: 4L / S The vacuum machine <8Pa Auxiliary gas pressure: (dry air) 0.5-0.7MPa Refrigerant Charging Machine