Check the listing for details. YELLOW JACKET 68812 Charging Scale, 220 lb Max, LCD 29AU22. Condition: New. Listed at 603.37 USD. Charging Scale, Electronic, Platform Size (In.) 11.3 in x 11.3 in, +/- 0.03 kg, +/- 0.06 lb, +/- 1 oz, +/- 0.1 Percent Accuracy, Max. Capacity (Lb.) 220 lb, Resolution 0.1 oz, 0.01 lb, 0.01 kg, kg, lb, oz, Display LCD, For Use With Weighing The Refrigerant Container, Charging or Recovering, Includes Carrying Case This YELLOW JACKET refrigerant charging or recovery scale allows you to just program the charging weight and the valve will close automatically when the charge is complete. Solenoid valve with 400 psi max. operating pressure differential (MOPD) allows metering broad range of refrigerants. Model works with any refrigerant in most systems and has a removable control module on a retractable 5-ft. coiled cord. The mesh filter in charging module helps protect solenoid valve from debris.