Multi-Refrigerant Vacuum Charging Machine with 5 kg Electronic Scale Service teams rarely work with a single refrigerant any more. This machine stores separate charging parameters for R134a, R410A, R32, R290 and R404A, so switching between jobs only requires selecting the refrigerant on screen instead of changing machines. The 5 kg electronic scale covers small split systems as well as larger commercial circuits. Key Features Five refrigerant presets with individual pressure