Refrigerant Gas Leakage Detector is designed to detect all CFC refrigerants such as R-22, R- 124, R-11 and R-12. The Gas Leakage Detector can also detect the more current, difficult-to-detect HFC refrigerants such as R-134a, R-404A. The Gas Leakage Detector is equipped with adjustable alarm that facilitates ease of operation. Refrigerant Gas Leakage Detector is easy to operate and comes with impact resistance storage case.