According to the latest AVC system which uses R744 (CO2) as the refrigerant, 744 has implemented a series of innovative design and manufacturing solutions. The new station is specially designed for the latest A/C system using R744 (CO2) as refrigerant, which exactly complies with the strictest industry standards of A/C maintenance and recharge systems for the new R744 (CO2) refrigerant.This station is designed to minimize contamination and reduce the risk of AC system maintenance and operation risks caused by Co2 refrigerant due to high pressure.The unique patented technology of the R744 refrigerant machine can realize the high-pressure leak detection of the A/C hoses through N2.