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A/C Refrigerant Leak Detector

The Robinair LD3 Economy Refrigerant Leak Detector is an entry-level leak detector that is compatible with most commonly used refrigerants today including R-1234yf and R-134a. The LD3 uses an audible alarm to alert technicians of leaks and is equipped with a stable sensor that will last up to 10 years. The LD3 meets all current industry leak detector standards and is covered by a 2-year warranty. Uses 4 AA batteries, included.


  • Long life, stable sensor Automatic calibration and reset to ambient
  • 3 adjustable sensitivity levels
  • Low battery indicator
  • True mechanical pump
  • Uses 4 AA alkaline batteries, included
  • Comfortable handle grip


  • Sensitivity: .05 oz/yr R134a, .0123 oz/yr R1234yf
  • Sensor life: Up to 10 years
  • Response time: instantaneous
  • Power supply: 4 AA alkaline batteries, included
  • Battery life: 4 hours continuous
  • Warm up time: Less than 20 seconds
  • Probe length: 17 inches
  • Weight: 1.5 lbs.
  • Warranty: 2 years (includes sensor)
Refrigerant TypeR1234YF R134A
Part NumberLD3
Line CodeROB
TerminologyA/C Refrigerant Leak Detector
For warranty information please contact Auto-Wares.