... Comperssor oir charge and drain 4, Leakage hunting Refrigerant Recycle and Recovery Machine1, Refrigerant recovery ,vacuum , charge, A/C leakage ... prompt and machine service prompt.7, High precision weight scale, high-pressure protection.8, Rapid charge function (different ... /min Charge speed 800g/min Weight scale precision ±5g Cylinder capacity 14kg QYJ-L800 Refrigerant Recycle and Recovery Machine