Nocostop Premium

Nocostop Premium is a continuous toxic gas measurement system for tunnels. Monitoring air quality in tunnels is essential to ensure users’ safety. Regulations impose limited values and maximum exposure time to toxic gas. Toxic gas detector has been designed to measure continuously the concentration of carbon monoxide (CO), nitrogen monoxide (NO), and nitrogen dioxide (NO2). Integrated filter system protects the cell from fouling, fog and water spray.