Smart environmental monitoring solutions
A road & rail tunnel monitor using well-proven technology to provide accurate and rapid results. The TunnelTech 400 advanced electrochemical cell technology offers a cost-effective and flexible choice for a single-cell analyser delivering superb accuracy and reliability at a very competitive price.
The TunnelTech 400 analyser electrochemical cell technology determines CO, NO NO2, SO2 or O2 concentrations. With no moving parts, reliability levels are extremely high and maintenance requirements are very low.
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Have questions? Call +61 2 9622 6327
A road & rail tunnel monitor using well-proven technology to provide accurate and rapid results.
The TunnelTech 400 advanced electrochemical cell technology offers a cost-effective and flexible choice for a single-cell analyser
delivering superb accuracy and reliability at a very competitive price.
The TunnelTech 400 analyser electrochemical cell technology determines CO, NO NO2, SO2 or O2 concentrations. With no moving parts, reliability levels are extremely high and maintenance requirements are very low.
| Gas Species Options | Single CO, NO, NO2, SO2 & O2 |
| Measuring Units | ppm for CO, NO, NO2, SO2 & % for O2 |
| Averaging Time | 0.5 to 30 Minutes |
| Measuring Technique | Electrochemical Cell |
| Calibration Flowrate | 1L/m |
| Construction | SS316L (Standard) Silver / Brushed Metal ABS Plastic (Optional) Black Mat |
| Output | RS485 |
| Display | Monochrome LCD Display & Keypad Membrane |
| Power Supply | 24V |
Talk to our sales team. Call +61 2 9622 6327
The TunnelTech 305 Air Flow Monitor (AFM) is CODEL's industry proven tunnel air flow 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.
The TunnelTech 202 Air Quality Monitor continuously monitors CO, & Visibility and is an essential part of any road or rail tunnel safety system.
The TunnelTech 205 NO2 Air Quality Monitor is a highly efficient transmissometer configured for the continuous measurement of Nitrogen Dioxide in road tunnel atmospheres.
The TunnelTech 801 monitoring system for continuous evaluation of air flow rate and flow direction in tunnels
Tunnel Monitors