Environmental Monitoring Solutions
The TunnelTech 102 Cold Smoke Monitor is an essential part of any road or rail tunnel safety system. The CODEL CSM detects smoke from a fire to rapidly warn the operator of the hazard.
Secondly, used in combination with other TunnelTcch 101 VIS monitors, the operator can quickly detect the focus of the fire if it is also equipped with the optional PT 101 temperature sensor to accurately measure ambient air temperature in a range of -15 to 105°C.
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The TunnelTech 102 Cold Smoke Monitor is an essential part of any road or rail tunnel safety system. The CODEL CSM detects smoke from a fire to rapidly warn the operator of the hazard.
Secondly, used in combination with other TunnelTcch 101 VIS monitors, the operator can quickly detect the focus of the fire if it is also equipped with the optional PT 101 temperature sensor to accurately measure ambient air temperature in a range of -15 to 105°C.
| Gas Species Options | Visibility |
| Measuring Units | K factor(M-1) or metres |
| Measurement Range | 0.020 – 0.070m-1 |
| Ambient Temperature | -20°C to +50°C |
| Power Supply | 24V DC |
| Construction | Aluminum enclosures |
| Analogue Outputs | 1 x 4-20mA isolated current output, 500Ω maximum load, fully configurable through TunnelMaster software |
| Relay Outputs | 1 x volt-free SPCO contacts, 50V, 1A maximum load, configurable as alarm contacts |
| Series Data | RS485 – Modbus RTU |
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The TunnelTech 801 monitoring system for continuous evaluation of air flow rate and flow direction in tunnels
The TunnelTech 602 Illuminance photometer monitors the average illuminance within a tunnel and its surroundings
The TunnelTech 601 Luminance photometer monitors the average luminance of a tunnel entrance and its surroundings
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.
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.
Tunnel Monitors