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Tunnel Sensor (Air Monitoring) Equipment Available In Quebec
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PremiumManufactured by Optical Scientific Inc. (OSi)based in USA
OSi's patented Wind Speed and Smoke Sensor (WSS™) makes drift free air flow measurements across the tunnel, calculates true average wind speed, and detects smoke. The WSS-300-DS model is equipped with Automatic Gain Control (AGC) to compensate for variations in opacity caused by particulate matter, smoke, or moisture suspended in ...
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Manufactured by Codel - a Forbes Marshall companybased in UNITED KINGDOM
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 ...
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Manufactured by Codel - a Forbes Marshall companybased in UNITED KINGDOM
ahead.The TunnelTech 305 uses dual path ultrasonic technology to ensure high accuracy and having no moving parts, reliability levels are very high and maintenance requirements are very low. The sensor is constructed using stainless steel for ultimate protection against the harsh environments found in tunnels. Fully configurable analogue and alarm ...
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Manufactured by Codel - a Forbes Marshall companybased in UNITED KINGDOM
The CODEL TunnelTech 404 NO2 and Visibility Air Quality Monitor is a compact extractive analyser configured for the continuous measurement of two 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 ...
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Manufactured by Codel - a Forbes Marshall companybased in UNITED KINGDOM
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 ...
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Manufactured by Codel - a Forbes Marshall companybased in UNITED KINGDOM
The CODEL TunnelTech 402 NO2 CO and Visibility Air Quality Monitor is a compact extractive analyser configured for the continuous measurement of three 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 ...
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Manufactured by Codel - a Forbes Marshall companybased in UNITED KINGDOM
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 ...
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Manufactured by Codel - a Forbes Marshall companybased in UNITED KINGDOM
The CODEL TunnelTech 403 NO2 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 ...
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Manufactured by Codel - a Forbes Marshall companybased in UNITED KINGDOM
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 ...
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Manufactured by Codel - a Forbes Marshall companybased in UNITED KINGDOM
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 ...
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Manufactured by Codel - a Forbes Marshall companybased in UNITED KINGDOM
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 ...
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Manufactured by Codel - a Forbes Marshall companybased in UNITED KINGDOM
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 ...
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Manufactured by Codel - a Forbes Marshall companybased in UNITED KINGDOM
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 ...
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Manufactured by Codel - a Forbes Marshall companybased in UNITED KINGDOM
developed within the tunnel. Three decades of development, knowledge and practical experience have been utilised to produce the advanced TunnelTech 801 air flow sensor that combines the reliability of ultrasonic technology and delivers superb accuracy and reliability. The TunnelTech 801 has been specifically designed for road, rail and civil ...
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Manufactured by Codel - a Forbes Marshall companybased in UNITED KINGDOM
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 ventilation system provides sufficient clean air to protect tunnel users health and for drivers to clearly see the road ahead. The TunnelTech 500 ...
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Manufactured by Codel - a Forbes Marshall companybased in UNITED KINGDOM
The TunnelTech 700 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 701 ...
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Manufactured by Durag Groupbased in GERMANY
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 ...
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Manufactured by Tunnel Sensors - ACOEM Groupbased in UNITED KINGDOM
The CROSSFLOW is an open path, cross bore air flow monitor designed to measure air speed and direction in multi-lane and bidirectional tunnels. The system uses reliable ultrasonic transit time measurements between a pair of transceivers which are mounted and aligned on either side of the tunnel. The CROSSFLOW is a self-contained, ...
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Manufactured by Tunnel Sensors - ACOEM Groupbased in UNITED KINGDOM
The AIRFLOW MkII is a robust, single point monitor designed to measure air velocity (and temperature when specified) within a tunnel environment. Using proven, ultrasound time of flight technology ensures the AIRFLOW MkII provides consistent and accurate measurements. The data provided by the AIRFLOW-MkII can be used as part of an air ...
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Manufactured by JES Elektrotechnik GmbHbased in AUSTRIA
The air flow monitoring system measures the air flow based on different transmission times of ultrasonic pulses sent in one or the other direction. This cross section measurement delivers the average air speed more reliable and meaningful than methods that measure only one or two points on the tunnel ...
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