This halogen leak detector is an exquisite unit, with its feature of higher performance versa lower price, has powerful function and high sensitivity, and is stable and easy to operate.Detect leaks of all halogenated refrigerants in any refrigeration, air-conditioning systems etc. The typical examples of halogenated refrigerants are:o CFCs e.g. R12, R11, R500, R503 etc;o HCFCs e.g. R22, R123, R124, R502 etco HFCs e.g. R134a, R404a, R125 etco Blends e.g. AZ-50, HP62, MP39 etcDetect Ethylene Oxide gas leaks in hospital sterilizing equipment (it will detect the halogenated carrier gas) -6000 air conditioning Halogen Leak DetectorDetect -6 in high voltage circuit breakersDetect most gases that contain chlorine, fluorine and Bromine (halogen gases)Detect cleaning agents used in dry cleaning applications such as perchloroethyleneDetect halogen gases in fire extinguishing systemDetects all kinds of halogenated refrigerantsSensitivity adjusted at any time and it can be adjusted automatically to the best state of detectingAudible alarm and flashing light indicator upon gas leakage detectedInner precise IC with ultra-low consume circuit design, more stable, longer battery timeTwo color visual display of battery voltageExcellent sensor, high sensitivity, longer use timeOperating Temperature : 0 ~ 52 Celsius (30 ~ 125 Fahrenheit)Maximum sensitivity : 6 /yr for all halogenated refrigerantsBattery life : Approx. 50 hours for normal useResponse time : InstantaneousWork mode : Continuous, no limitationFixed Probe Length : Approx. 200mmWarm-up time: Approx. 6 secondsReset Time: 2 to 10 secondsmaterial: metalPower Supply: 4pcs x AAA 1.5V batteries (not included)Dimensions : Approx. 229mm (L) x 65mm (W) x 65mm (D) (9.02 x 2.56 x 2.56 inch)Package Included1 x Halogen Leak Detector with probe1 x Instruction Sheet1 x Black carrying pouchNote: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.