Automotive Air Conditioner Refrigerant Halogen Leak Detector R134A R404A R125 HLD-100+ Item Type: Halogen Leak Detector Sensor Type: Negative Corona Sensor Maximum Sensitivity: 3g / year Working Temperature: 0℃ ~ 50℃ Working Humidity: <95% RH (no condensation) Battery: 2 x C batteries (NOT included) Response Time: Instant Reset Time: 2s Warm-up Time: 3s Probe Rod Length: 36cm / 14.2in Application Range: Leak detection of other systems and storage/recovery containers. This product works for all halogenated (including chlorine and fluorine) refrigerants. Including but not limited to CFCs: R12, R11, R500, R503 etc... HCFCs: R22, R123, R124, R502 etc... HFCs: R134a, R404a, R125 etc... Other mixtures can also be detected, such as AZ-50, HP62, MP39, etc... ◆ Detect ethylene oxide leakage from hospital disinfection equipment (detect halogen-carrying gases) ◆ Detect SF-6 in high voltage circuit breaker ◆ Detect most of the gases containing chlorine, fluorine and bromine (halogen gas) ◆ Detect cleaning agents used in dry cleaning equipment, such as carbon tetrachloride ◆ Detect halogen gas used in fire suppression systems