Tunnel Tech 700 Series EC Monitors

Tunnel Tech 700 Series EC Monitors

Tunnel Monitoring

CO, NO, NO<sub>2</sub> & Visibility Air Quality Monitor

The TunnelTech 700 uses the latest Electrochemical Cell Technology for the measurement of CO, NO and NO2. Designed exclusively for road and rail tunnel applications building on years of experience and proven technology.


Product Applications
  • Road Tunnels
  • Rail Tunnels

Great New Features
  • Measure CO, NO, NO2 & Visibility in one compact sensor
  • Advanced electrochemical cell technology
  • High resolution measurement
  • Minimal maintenance requirements
  • Available in 316 Stainless Steel

The TunnelTech 700 Air Quality Monitor, is an essential part of any road or rail tunnel safety system. Firstly, it monitors the atmosphere within the tunnel and ensures that the tunnel ventilation system provides sufficient clean air to protect tunnel user’s health and for drivers to clearly see the road ahead.

The TunnelTech 700 analyzer uses electrochemical cell technology to determine CO, NO & NO2 concentrations, and optical attenuation to measure visibility levels. As there are no moving parts, reliability levels are very high and maintenance requirements are low.  Visibility sight tubes are utilized to ensure that airborne dust and contaminants do not reach the optical windows and cause drift.

Tunnel Tech 700 Series EC Monitors
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