The sensor has a good response time less than 3s and a detecting limitation up to 157ppm by combining the chromatography of gases in detecting the gaseous acetylene . and it can be used to measure the concentration of the gaseous acetylene on - line through suitable light source and air - chamber 结合气相色谱仪对乙炔进行测定，得到该传感器检测下限为157ppm ，响应时间小于3s ，能较好地用于在线检测乙炔气体的浓度。
