The TunnelTech 204 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 users’ health and for drivers to clearly see the road ahead.
The TunnelTech 204 analyzer uses well-proven optical attenuation technology to monitor visibility levels.
As there is only one moving part, reliability levels are very high and maintenance requirements are extremely low.
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