±êÌâ1£ºRefrigerant Halogen Freon Gas Leak Detector R134a R22 HVAC Tools 0.1oz/yr Dear buyer,our leak detector comes with a reliable corona refrigerant sensor which has great sensitivity and excellent repeatability, and also features LED indicator light with 7-level leak alarm, visual and clear display. It will detect leaks as little as 0.1 oz/yr(3g/year) in R12,R22,R404a,R134a and other halogen refrigerant systems. Easy operation, smart and portable design really make it an ideal and economic halogen leak detector for you!!! Features: Excellent sensor with high sensitivity, 0.1oz/yr (3g/yr) Detects All KINDS OF halogenated refrigerants Flexible stainless steel probe reach to almost any tight space RESET time sensitivity adjustment 12 inches (30cm) flexible probe Tactile keypads make the operation more convenient. Applications: Detect leaks in air-conditionings, freezing systems and so on. This unit responds to ALL haloge-nated (including Chlorine and Fluorine) refrigerants. This includes, but is not limited to: CFCs :R12, R11, R500, R503etc. HCFCs :R22, R123, R124, R502etc. HFCs :R134a, R404a, R125etc. Detect Ethylene Oxide gas leaks in hospital sterilizing equipment( halogenated carrier gas). Detect SF-6 in high voltage circuit breakers. Detect most gases that contain Chlorine, Fluorine, and Bromine (halogen gases). Detect cleaning agents used in dry cleaning applications such as perchloroethylene. Detects halogen gases in fire-extinguishing system. Specification: Maximum sensitivity: 0.1 oz/yr ( 3g/yr ) for all halogen refrigerants Working temperature: 0¡æ~50¡æ Reaction time: Instantaneous Resetting time: Instantaneous Warm-up time: < 2 sec. Sensor tip life under continuous operation: approx. 30 hours Power Supply: 3V DC, 2 x 1.5V 'AA' Alkaline batteries (Not include) Probe length: 12" Warning: Replace the probe before shutdown, otherwise it may cause mild electric shock note: 1. To ensure the high sensitivity, make sure the tip and protector is clean before using everytime. 2. Switch off the machine£¬ Remove batteries when unused for a long time, so that it could prolong life time. 3. Operate the leak detector according to the instruction manual. If you have other requirements please contact our customer service