TunnelTech 201 CO, NO and Visibility Monitor
The TunnelTech 201 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 201 analyser uses well proven infra-red techniques to determine CO and NO concentrations and optical attenuation to monitor visibility levels. As there is only one moving part, reliability levels are very high and maintenance requirements are extremely low.
- Continuous measurement of CO, NO and Visibility in road and rail tunnels.
- Class leading Accuracy, Repeatability and Resolution.
- Rugged, corrosion resistant construction.
- Minimal maintenance requirements.
- Optional RS 485 (Modbus) Output.
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Brochure
TunnelTech 201
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Frequently Asked Questions
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