The ACX1180C is used to service heavy duty commercial vehicles that use the R134a refrigerant. Fully-automatic program to recover, vacuum, leak test and charge without command. Automatic oil drain display reminds you to empty the graduated container to show the amount of oil to replace. Visual and audible alarm notifies the user when service is complete, or if a problem has occurred. Vacuum leak test monitors level after evacuation, informs of possible leak. Automatic air purge eliminates contaminated air without monitoring gauges or opening valves. Contains a 50lb internal tank. Capable of servicing high voltage electric compressor A/C systems. Integral paper printer and print to USB allows user to store "before and after" service information by vehicle to print information for the customer. Micron level measurement during evacuation process. Temp probes with 20' cables. Factory-installed heater belt.