... detection,fueling in addition to recovery, vacuuming, filling. refrigerant machine :FT-900AMain FeaturesIntegrate recovery, regeneration, cleaning, leak detection, ... ; Control of recovery and vacuuming with pressure sensor; Efficient purifying filter for recycling of old refrigerant ... display ,Filling rate25-33g/srecovery rate:5g/s,weighing precision±10g,fueling precision±5g,pressure precision0.0015mpa ...