Gas is a combustible gas, common types include artificial gas. A gas leak detector is a device that detects gas concentrations, with its core component being a gas-sensitive sensor, installed in locations prone to gas leaks. When the concentration of gas in the air exceeds the set threshold, the detector triggers an alarm, emitting both sound and light signals. If connected to an alarm master unit and an emergency response center, it can initiate networked alarms. It can also automatically activate exhaust fans and close gas pipeline valves, ensuring safety of life and property. In civil safety and prevention projects, it is commonly used for residential gas leak alarms and is also widely applied in various oil refineries, oil depots, chemical plants, liquefied gas stations, and other places where flammable gas leaks may occur. Faced with the various threats of accidents caused by gas leaks, is there really no comprehensive solution? According to relevant experts, the use of gas leak detection is one of the important means to combat the invisible killer of gas. Gas experts point out that gas poisoning incidents, which are the root cause of large-scale gas leaks or waste gas emissions, can be timely warned if gas leaks are detected. Authorities, after long-term testing, have also concluded that the effectiveness of preventing gas poisoning and gas explosion accidents is over 95%.