Refrigerant Sniffing Leak Test of a sealed refrigeration circuit takes place after refrigerant charging.

• The leak detector is a manually-held probe or automatic multiplexer with gas traps
• It is the final leak test and is usually performed during/after run test.
• The leak detector technology is based on an Infrared Sensor which is very sensitive (in the range of 0.03 ounce or 1 grams per year of refrigerant) and offers fewer false alarms compared to Halogen-based detectors.