CODEL tunnel sensors are designed exclusively for road tunnel applications. Our range of sensors provide all the essential measurements necessary to monitor and control the tunnel atmosphere.
Available as stand-alone sensors or integrated into a network system, CODEL’s tunnel sensors are installed in over 350 road and rail tunnels worldwide.
Tunnel Craft 3 Air Quality Monitor
The TunnelCraft 3 Air Quality Monitor (AQM) uses infrared light and visible light to measure carbon monoxide and visibility in a single compact instrument.