This instrument is a halogen gas detector with charging function, which is suitable for the detection of all halogen gases, including chlorine and fluorine, but it is not limited to these: detection of ethylene oxide and ethanol gas on medical equipment. Detection of air conditioning, refrigeration system and refrigerant recovery device. The imported sensor has good sensitivity and excellent repeatability, sensitive detection, rapid response and timely alarm. Sound/Light/Double alarm: place the instrument in the space to be tested. If the detected gas is higher than the specified concentration value, there will be a sound, flashing rice, vibration alarm prompts, prompt reminder, and avoid unnecessary loss. Quickly detect the Gas leak point: It can detect the position of micro-leakage combustible gas, preheat quickly and respond quickly. The two-level alarm shows that the higher the leak rate indicator, the higher the leak rate and the higher the concentration The instrument supports USB charging function , with support for charging socket, mobile power, computer charging, etc., convenient and fast, full of sustainable work for more than 9 hours.