This paper introduces CO density monitoring equipment controlled by a monoboard computer which can exactly test CO content when CO density in the tested gas exceeds the pre-set number.

• 介绍了一个用单片机控制的CO浓度报警监控仪,能够准确地检测CO含量,当被测气体中CO浓度超过预定数值时,将声光报警,同时开始排风,具有消除安全隐患之功能。