ACCU-CHARGE II ELECTRONIC REFRIGERANT SCALE Functions: Charge programming: Allows user to program desired quantities. Before charge is complete, an alarm will sound allowing ample time to turn off refrigerant supply. Pause/charge (using the 98230 charging solenoid module): This feature allows user to stop and continue charging. Tank capacity programming: Empty/full tank feature allows user to know the amount of refrigerant in the tank at any time. Repeat: Allows user to charge previously stored amount. General specifications: Capacity: 110 kg (240 lbs) Accuracy: +/- 0.01 kg / +/- 0.16 oz / +/- 0.01 lb or 0.1% of reading (whichever is greater) Resolution: 0.01 kg / 0.02 lb 3 hrs auto off function Operating temperature is 32 to 120f (0 to 49c) Battery life (approximately 40 hrs) Works w/110 or 220v transformer (not available)