MT/T 1098-2009 "Light Interference Methane Gas Sensors for Coal Mines" specifies the technical requirements and specifications for light interference methane gas Sensors for use in environments where gas gas and coal dust explosion hazards may exist in coal mines. This standard includes terms and definitions, model classification, technical requirements, test methods, inspection rules, signs, Encasement, transportation and storage, etc., aimed at ensuring the Reliability and safety of Sensors in extreme working environments. It is suitable for real-time monitoring of methane gas in mines to prevent the occurrence of gas explosion accidents.