Mastercool 98210A - Accu-Charge II Electronic Charging Scale

Accu-Charge" Charging Scale Electronic programmable charging scale Battery operated - take it to where the work is. Before a charge is complete the unit will sound an alarm, allowing enough time to turn off the refrigerant supply. It can measure the tank and tell how much freon is in the tank at any time. Accuracy 1/6 oz or 1%, whichever is greater. 110 lb capacity.