LD3 Economy 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

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SKU: LD3 Categories: , ,


Tech Specs:

Dimensions: 1.75in x 2.50in x 10.75in
Weight: 1.30 lb

Product Specs:

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)


LD3 Economy Refrigerant Leak Detector
Leak test vial
4 AA alkaline batteries
5 replacement sensor filters
Operator’s manual

Additional information


TOMAD International