Javac Procharge 100 Charging Scales, these have been used. still in fantastic condition. comes all as seen in pics, all ready for work. 
 The Procharge 100 digital refrigerant charging scale is a welcome addition to JAVAC's range of refrigerant service tools.  An upgrade on the current best selling Procharge unit.
This unit is highly accurate with 5 gram resolution and an increased weighing capacity of 100kg.  The compact platform is 223mm x 223mm, easily removed from the carry case for use, also featuring an easy to read LCD display.
This unit also includes a memory function, holding the last reading until cleared. Even when the unit automatically shuts down after 10 minutes of non use, the last reading is still stored in memory.
Specifications:
Weight Range: 100kg
Accuracy: +/- 0.5%
Resolution: 5 gram
Units: kgs / lbs
Weight: 2.485kg
Power Supply: 9v battery
Battery Life: 30 hours continous use