This detector is really easy to use and it can help you find the leak on your air conditioning system.
It has two sensitivity levels on it.
Level 1 detects R-134a (which is in most cars today since the 1990's), HP 62, AC 9000, AZ 20 and AZ 50
Level 2 detects R-12 (which is older cars prior to the 1990's), R-22, R-500, and R-502.
It has a visual leak indicator to show when the refrigerant is detected and how concentrated it is
The goose-neck probe is 16 inches long which gives you plenty of reach if your looking for a leak in your engine bay.
Leak Detector, Electronic Refrigerant, For Use With All CFC, HCFC and HFC Refrigerants, Includes Audible and Visual Leak Indicators, Adjustable Sensitivity and Volume Controls, 16-in. Flexible Probe.
$135.00 plus $10.00 shipping