DAP3123L is a point-type combustible gas detector designed to operate in extremely harsh environments. Using imported high quality catalytic combustion sensor, combined with reasonable temperature compensation technology, in the environment of poor temperature and humidity can still maintain linear output, can be 0-100%LEL concentration range of combustible gas for accurate real-time monitoring, to provide customers with accurate, fast and economic detection products. Product features ● Imported catalytic combustion sensor, sulfur, silicon and other element pollutants have high resistance to poisoning ● 1WIRE bus signal output ● With over range and reverse polarity protection, can avoid human misoperation caused by equipment problems ● Flameproof type explosion-proof certification, suitable for zone 1, zone 2 dangerous places ● Meet a variety of on-site installation requirements Main performance and technical index ● Product model: DAP3123L ● Detection gas: conventional flammable gas ● Detection principle: catalytic combustion type ● Sampling method: natural dispersion ● Measurement model: 0-100%LEL ● Detection error :≤+3%LEL ● Working voltage: DC24V+ 15V Low power consumption: 0.5 W or less ● Output mode: 1 group of passive switching quantity ● Protection class: IP66 ● Explosion-proof grade: Ex ICT6 Gb ● Signal transmission mode: bus communication ● Connection thread of outlet hole: M20 internal thread