HALOGENLEAK DETECTOR Sensor lifetime: 50h;                Sensitivity range: 7levels; Maximum sensitivity: 3g/yr;      Response time: <1s; Warm-up time: 5s;                   Reset time: 2s; Refrigerants: CFCs/HCFCs/HFCs/HCs/HFOs; Power supply: 2 AA alkaline batteries(3VDC); Detection mode: Continuous, unlimited; Approvals: Compliant to Standard: SAE-J1627,EN14624,ROHS; Overall size: 7*2.2*1.3 inch;  Probing rod length: 12 inch;