Comprehensive support services for our range of tunnel monitors

The staff at Tunnel Sensors are committed to providing the highest levels of service at every stage of a project, from the initial enquiry through to routine service contracts.

At Tunnel Sensors, we appreciate that the purchase and installation of a new monitoring system is a big commitment and we understand the importance of offering clear, unbiased advice from the outset so that customers can select the best solution for their needs.

Tunnel Sensors offers a range of customer support services available both pre-sales and after-sales. Our dedicated team is available to help at all stages of the project.

Tunnel Sensors also has a network of distributors worldwide, who are trained to the highest standards and are able to offer the best information and advice on the Tunnel Sensors range. Together, we can assist with preliminary site surveys, commissioning and routine maintenance and service.

We can assist with...

Pre-sales advice on our range of products and applications

Installation and commissioning assistance

Training, either on-site or at our UK office

After sales technical support, either by telephone, e-mail or on-site

Warranty, maintenance and service support

Spare and replacement parts

Repairs service available at our UK facility

Ask a question

For further information on any of our products, please complete our contact form and a member of staff will respond as soon as possible.

Altenatively call us on +44 (0)1280 850521


Don’t just take our word for it, read what some of our clients are saying about our tunnel sensors.

Our Tunnel Sensors

Below are our flagship tunnel sensor products, simply select them for more information



The VICONOX provides a total monitoring solution for the measurement of NO2, NO, CO, visibility and temperature within traffic tunnels.

Airflow MkII

Airflow MkII

The AIRFLOW MkII is a robust, single point monitor designed to measure air velocity (and temperature when specified) within a tunnel environment.



The CROSSFLOW provides an open path cross bore solution for measuring air velocity and direction in a tunnel.
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