Refrigerant Charging Scale RCS-7040: 1.refrigerant recovery, weighing 2.0-100kgs,LCD display 3.battery power supply ... . refrigerant charging scale RCS-7040It is used for refrigerant charging, recovery & weighing of commercial A/C, auto A/C, refrigeratory systems ... : 70KGS, kgs/lbs unitsRCS-7020: 100KGS, kgs/lbs units refrigeration tool RCS-7040 Refrigerant Charging Scale