Portable methane detection alarm

便携式甲烷检测报警仪，是一种采用微电脑数字技术的超小型便携式智能仪表，完全按照国标（GB/3486-2000）进行设计和生产。主要应用于煤矿井下工作面对甲烷气体浓度进行自动监测。

    Portable methane detection alarm instrument, is a microcomputer digital technology of ultra small portable intelligent instrument, fully in accordance with the national standard (GB/3486-2000) for the design and production. Mainly used in coal mine underground working face automatic monitoring of the concentration of methane gas.