JT-B civil combustible gas detector (hereinafter referred to as "detector") is used to detect the content of natural gas (themain component methane CH4) in non-explosion-proof places ofcivil buildings to prevent gas leakage and explosion ac-cidents. When the detector detects that the natural gas leakage in the environment reaches the alarm setting value, the detector emits an acoustic and optical alarm signal and controls the solenoid valve action to close the gas valve. The product conforms to the relevant provisions of the "GB15322.2-2019Combustible Gas detector Part2:Household Com-bustible Gas detector" standard.











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