natural gas alarm set two alarm is why? natural gas alarm alarm value is generally divided into one and two levels. Set double alarm more favorable to prevent security risks.

the first-level gas alarm device can start the solenoid valve or exhaust fan when the equipment alarms, and the second-level alarm device can realize double-pipe supervision, that is, when the natural gas alarm detects that the natural gas concentration exceeds the first-level alarm value, it indicates that there is natural gas leakage, but there are not many natural gas leaks, therefore, when the first alarm is selected to start the exhaust fan, the concentration of natural gas can be reduced to ensure environmental safety.

when the measured natural gas concentration reaches the secondary alarm value, a large amount of natural gas leakage occurs. At this time, the problem cannot be solved by using the exhaust fan to disperse, so the solenoid valve is selected to be started during the secondary alarm to directly cut off the gas pipeline.Soapy water can be applied to the natural gas pipeline afterwards. The place where bubbles are generated is the natural gas leak point. Repair measures will be taken after the leak is found.

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