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                    ... Gas Leak Analyzer Sound|Light|Vibration industrial portable 4 in 1 combustible and toxic gas leak analyzer for coal mine Item Description Gas type: Ex,O2,CO,H2S or customized; Working principle: Catalytic c...
 
                    ...multi gas detector could detect combustible gas, O2 and other two types toxic gases continuously and simultaneously. >>> Key Features 1) High sensitivity sensors 2) Light weight and small size design(less th...
 
                    ...multi gas detector could detect combustible gas, O2 and other two types toxic gases continuously and simultaneously. >>> Key Features 1) High sensitivity world famous imported sensors 2) Light weight and sma...