electronic refrigerant charging scale

high capacity: 154lb/70kg Compute-A-ChargeR refrigerant charging/recovery scale, calibrated to strict NIST standards. Fully enclosed and removable metal scale platform enables use of product in or out of the protective case.Large, highly visible 22.5mm x 68mm high resolution LCD readout displays either Imperial or Metric measurements in 0.25oz/5g increments. The ergonomic hand held remote incorporates a 6ft coil cord, full mechanical and visual overload protection.Operates 60 continuous hours on two 9V alkaline batteries.Includes automatic off feature.
Accuracy:0.5%,
Resolution:0.25oz/5g,
Units:kilograms,lbs or oz
Platform size:8-3/4" x 8-3/4", 223mmx223mm
Power:9v alkaline battery,
Operating temp:32F TO 113F(0 degree to 45 degree)