Robinair Premier R-134A Refrigerant Recovery, Recycling, and Recharging Machine           \  part   #:ROB-34788NI

• Fully-Automatic Function: Program to recover, vacuum, leak test and charge without operating panel valves
  • Automatic Oil Drain: A display reminds you to empty the graduated container to replace oil
  • Oil Inject: Automatically inject oil back into the vehicle’s A/C systems
  • Save & print before and after service data (optional add-on feature)
  • Visual & Audible Alarm: Notifies 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 system-damaging air without monitoring gauges or opening valves
  • Automatic Refrigerant Refill: Maintains user-selectable amount of refrigerant in an internal vessel & signals when to change supply tank
  • Vacuum Feature: Defaults to 15 minutes, programmable up to 99 minutes
  • Refrigerant Charging: Select charge mode from high or low side, or use both sides
  • Refrigerant Management System: Displays refrigerant use & monitors remaining filter life