Smart environmental monitoring solutions
The TunnelTech 500 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 the ventilation system provides sufficient clean air to protect tunnel users’ health and for drivers to clearly see the road ahead.
The TunnelTech 500 analyser electrochemical cell technology to determine CO, NO & NO2 concentrations. As there are no moving parts, reliability levels are very high and maintenance requirements are low.
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Have questions? Call +61 2 9622 6327
The TunnelTech 500 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
the ventilation system provides sufficient clean air to protect tunnel users’ health and for drivers to clearly see the road ahead.
The TunnelTech 500 analyser electrochemical cell technology to determine CO, NO & NO2 concentrations.
As there are no moving parts, reliability levels are very high and maintenance requirements are low.
| Gas Species | Single or multi-gas measurements available: CO, NO2 & NO |
| Measuring Units | ppm for CO & NO, PPb for NO2 |
| Calibration | Automatic zero calibration – manual span check |
| Measuring Technique | Electrochemical Cell |
| Measurement range (typical) | CO : 0 – 300ppm , NO : 0 – 30ppm , NO2 : 0 – 5/10ppm |
| Construction | Corrosion resistant epoxy coated aluminum housing sealed to IP66 |
| Series Data | Bi-directional RS485 Modbus Protocol |
| Display | 32 Character alpha-numeric back-lit LCD |
| Power Supply | 24V DC, 30 VA from the separate power supply |
Talk to our sales team. Call +61 2 9622 6327
The TunnelTech 900 is a low-cost precision road and rail tunnel monitor using proven technology to provide accurate and rapid results.
The TunnelTech 305 Air Flow Monitor (AFM) is CODEL's industry proven tunnel air flow monitor.
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 205 NO2 Air Quality Monitor is a highly efficient transmissometer configured for the continuous measurement of Nitrogen Dioxide in road tunnel atmospheres.
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