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Tunnel Monitoring Equipment

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    TunnelTech - Model 301 - Air Flow Monitor

    The TunnelTech 301 Air Flow Monitor (AFM) is CODEL’s industry proven tunnel air flow monitor. Tunnel ventilation systems are designed to enable a sufficient throughput of air to be maintained to ensure a safe operating environment for users. These systems consume large amounts of power and need to be operated as efficiently as possible. To ...

    By Codel International Ltd based in Bakewell, UNITED KINGDOM. from Tunnel Sensors – Air Flow Monitors Product line

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    TunnelTech - Model 102 - Cold Smoke Monitor

    The TunnelTech 102 Cold Smoke Monitor (CSM), 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 TunnelTech 101 VIS monitors, the operator can quickly detect the focus of the fire if it is also equipped with the ...

    By Codel International Ltd based in Bakewell, UNITED KINGDOM. from Tunnel Sensors - Visibility Monitors Product line

  • DURAG - Model D-FL 220T - Ultrasonic Flow Velocity Monitor System

    Measuring system for continuous evaluation of flow velocity and flow direction in tunnels. Ultrasonic sensors for tunnel ventilation control system. Reliable measurement across the tunnel profile. Two identical sensors alternately transmit and receive ultrasonic pulses. The system evaluates the transition times dependant on direction and ...

    By DURAG GmbH based in Hamburg, GERMANY. from Tunnel Sensors Product line

  • VICONOX - Tunnel Monitor

    The VICONOX tunnel monitor is a single sensor solution for measuring NO2, NO, CO, visibility and temperature within a traffic tunnel, rail tunnel or other confined space. These measurements can be used as part of an air quality management system for ventilation control and/or secondary smoke detection.

    By Tunnel Sensors Limited based in Crowfield, UNITED KINGDOM.

  • DURAG - Model D-R 220T - Visibility Monitor System

    Visibility Monitor for road tunnels using optical transmission principle. Sensor for ventilation control system or fire alarm system. Reliable measurement parallel to the tunnel axis.

    By DURAG GmbH based in Hamburg, GERMANY. from Tunnel Sensors Product line

  • LUMIOS MkII - Tunnel Luminance Photometer

    The LUMIOS MkIII measures the level of luminance, or brightness, created by natural light at the tunnel portals to ensure that the visual perception of drivers is maintained, both day and night, by avoiding sudden variations in lighting levels and potential “black hole effect” when entering and exiting a tunnel. The LUMIOS MkIII can ...

    By Tunnel Sensors Limited based in Crowfield, UNITED KINGDOM.

  • Envitems - Model E6100 - Air Quality Station

    Envitems E6100 is a versatile and highly compact air quality station for measuring pollutants in outdoor air. The measured variables include nitrogen dioxide (NO2), nitrogen monoxide (NO), sulphur dioxide (SO2), carbon monoxide (CO), hydrogen sulphide (H2S), ozone (O3), particles (PM2.5 and PM10) as well as normal meteorological variables. ...

    By Envitems Inc. based in FI-33210, FINLAND.

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    TunnelTech - Model 202 - CO, Visibility Monitor

    The TunnelTech 202 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 202 analyser uses well ...

    By Codel International Ltd based in Bakewell, UNITED KINGDOM. from Tunnel Sensors – Air Quality Monitors Product line

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    TunnelTech - Model 101 - Visibility Monitor

    The TunnelTech 101 Visibility Monitor (VIS), is an essential part of any road or rail tunnel safety system. Firstly, it monitors the Visibilty within the tunnel and ensures that the tunnel ventilation system provides sufficient clean air for drivers to clearly see the road ahead. Secondly, used in combination with other TunnelTech 101 VIS ...

    By Codel International Ltd based in Bakewell, UNITED KINGDOM. from Tunnel Sensors - Visibility Monitors Product line

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    TunnelTech - Model 204 - Visibility 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 204 analyser uses well ...

    By Codel International Ltd based in Bakewell, UNITED KINGDOM. from Tunnel Sensors – Air Quality Monitors Product line

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    TunnelTech - Model 203 - CO & NO Monitor

    The TunnelTech 203 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 203 analyser uses well ...

    By Codel International Ltd based in Bakewell, UNITED KINGDOM. from Tunnel Sensors – Air Quality Monitors Product line

  • Tunnel Monitors - Road Tunnel Atmosphere Monitoring

    Emaccs are UK Distributors for Tunnel Sensors Ltd and supply and install their range of CO, NO, Visibility and Flow monitors.We offer:Service and maintenance of tunnel atmosphere monitoring systemsComprehensive service contractsEmergency call-outsSourcing and installing new systemsSystems integrationData handling systems

    By EMACCS Ltd based in Redhill, UNITED KINGDOM.

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    TunnelTech - Model 201 - CO, NO, 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 ...

    By Codel International Ltd based in Bakewell, UNITED KINGDOM. from Tunnel Sensors – Air Quality Monitors Product line

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    TunnelTech - Model 205 - NO2 Monitor

    The CODEL TunnelTech 205 NO2 Air Quality Monitor is a highly efficient transmissometer configured for the continuous measurement of Nitrogen Dioxide in road tunnel atmospheres. This extremely stable and reliable monitor incorporates a high-power blue LED to utilise the capacity of nitrogen dioxide to absorb UV and blue light to provide accurate ...

    By Codel International Ltd based in Bakewell, UNITED KINGDOM. from Tunnel Sensors – Air Quality Monitors Product line

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    TunnelTech - Model 401 - Extractive NO2 , CO NO & Visibility Monitor

    The CODEL TunnelTech 401 NO2 CO, NO and Visibility Air Quality Monitor is a compact extractive analyser configured for the continuous measurement of four key parameters in road tunnels. This extremely stable and reliable monitor incorporates an LED to utilise the capacity of Nitrogen Dioxide to absorb UV and blue light to provide accurate readings ...

    By Codel International Ltd based in Bakewell, UNITED KINGDOM. from Tunnel Sensors – Extractive Systems Product line

  • Envitems - Model E4100 - Air Quality Station

    Envitems E4100 revolutionizes measuring air quality. It is a cost effective, compact solution to monitoring air quality and meteorological data. E4100 is an air quality transmitter that measures up to four most common gaseous pollutants such as nitrogen dioxide (NO2), nitrogen monoxide (NO), sulphur dioxide (SO2), carbon monoxide (CO), hydrogen ...

    By Envitems Inc. based in FI-33210, FINLAND.

  • VNOX - NO2 and Tunnels Visibility Monitor

    The VNOX tunnel monitor uses differential optical absorption to measure nitrogen dioxide (NO2) in tunnel atmospheres and makes a visible opacity measurement to determine the visibility within the tunnel. These measurements can be used as part of an air quality management system for ventilation control and/or secondary smoke detection ...

    By Tunnel Sensors Limited based in Crowfield, UNITED KINGDOM.

  • ECOM - Electrochemical CO Tunnel Monitor

    The ECOM tunnel monitor measures the concentration of carbon monoxide (CO) within an ambient environment such as road, rail, meteorological or other industrial application. These measurements can be used as part of an air quality management system for ventilation control and/or secondary smoke detection within a traffic tunnel or other confined ...

    By Tunnel Sensors Limited based in Crowfield, UNITED KINGDOM.

  • BananaJet - Jet Fans for Tunnel Ventilation

    Straight jet fan: High flow speeds at the ceiling lead to friction losses. A high proportion of the power output is immediately lost here due to friction. Due to the Coanda effect, the air flow 'sticks' to the ceiling.

    By Meidinger AG based in Kaiseraugst, SWITZERLAND. from Jet Fans Product line

  • VIPA MkII - Tunnels Visibility Monitor

    The VIPA MkII tunnel monitor makes a visible opacity measurement to determine the visibility within the tunnel. These measurements can be used as part of an air quality management system for ventilation control and/or secondary smoke detection within a traffic tunnel, rail tunnel or other confined space.

    By Tunnel Sensors Limited based in Crowfield, UNITED KINGDOM.

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