Portable gas leak detector | Built in pump suction active gas sampling detection | Sensitivity 4.6g/year small leakage rate | Powered by 2 AA batteries (3V DC) | LED leakage grading/battery voltage dual display | Integrated reset button for handle probe | Flexible and bendable detection probe | Anti pollution/anti refrigerant poisoning design | Short time preheating and quick start | Suitable for industrial furnaces/boilers/gas valve group sealing detection
