... CFC, HCFC, HFC 4.for freeze, refrigeration, air-conditioner intelligent R12 R22 R134a electronic Refrigerant Auto Gas Leak ... Detector for freeze, refrigeration, air-conditioner The CT-CPU03 ... time<10 secResponse timeInstantaneousReset timeInstantaneousProbe length14”(33.5cm) intelligent R12 R22 R134a halogen electronic Refrigerant Auto Gas ...