Untuk Alat Uji Kebocoran It will respond to all halogenated. This includes, but is not limited to: CFCs e.g.R12, R11, R500, R503 etc. HCFCs e.g. R22,R123, R124,R502 etc. HFCs e.g. R134a, R404a, R125 etc. Blends such as AZ-50. HP62. MP39 etc. Short Preheating Time Once the switch rotated, the detector will be ready to use. Preheating time: approx. 6s Response time: approx. 3s Adjustable Sensitivity