Refrigerant recovery 1.Recovery,Recycle,Evacuate,Recharge,Leakage Test. 2.Adopt high precise scale. 3.12L rechargeable tank FUNCTION and FEATURES:1. Vacuuming time setting 2. Refrigerant injecting setting 3. Refrigerant supplementary injecting setting 4. Electronic scale for full-automatic refrigerant recovery 5. Electronic scale for refrigerant recharge 6. Electronic scale for refrigerant oil ...