The staff at Tunnel Sensors is committed to providing the highest levels of service at every stage of a project, from the very first contact 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 sales process and 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 factory
  • After sales technical support, either by telephone, e-mail or on-site service
  • Maintenance and service support
  • Spare and replacement parts
  • Repairs service available at our UK factory

Tunnel Sensors also has a network of local 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, installation, commissioning and routine maintenance and service.

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If you would like a quote for any of our products or services please click below and leave your details.

The outstanding reliability and accuracy of our combined solution makes Tunnel Sensors a preferred partner on which we can count.

Pierre Longtin
Nyx Hemera Technologies, Canada

Tunnel Sensors


The ECOM is a compact electrochemical gas
sensor suitable for continuous monitoring of CO
within ambient environments.


The ENOX is a compact electrochemical gas
sensor suitable for continuous monitoring of NO2
within ambient environments.


The AIRFLOW offers a rugged, non-contact solution for the universal requirement to monitor air velocity and direction in the tunnel.