This device uses such as microcontroller devices, high integration, small size, responsive and reliable security features, such as apply to the need to prevent coal mine gas poisoning incident place.

• 此装置采用单片机等器件,具有集成度高、体积小、反应灵敏、安全可靠等特点,适用于煤矿等需防止瓦斯中毒事故发生的场所。