Stand-combustible Gas Detector BJ-62-1A Combustible Gas Detector Detection of gas: liquefied natural gas BJ-62-1A Combustible Gas Detector Output: * DC12V pulse output can be driven shut-off valve * No output BJ-62-1A Combustible Gas Detector Technical Parameters * Detection of gas: liquefied natural gas * Detection methodâ??: FIGARO semiconductor gas sensorâ?? * Alarm concentrationâ??: 25% of the lower flammable limit or lessâ?? * Power supply: AC220V ± 15% * Power consumption: 3W or less * Temperature: -10 ~ 55'C