As a company with a firm foundation in electronic engineering, we have a flair for research and a track record of turning that research into powerful, marketable products. In this way we always retain the option to offer customised solutions to meet any specific customer requirements.
Furthermore, as an ISO9001:2015 accredited company our quality management system is continuously assessed for all elements of manufacture, supply, service.

In 2019 Tunnel Sensors and parent company Dynoptic Systems Ltd became part of the ACOEM Group. With Headquarters in France, ACOEM are a global leader in envrionmental monitoring helping companies and public authorities control and reduce their impact on the envrionment.

ACOEM’s products and services enable customers to prevent noise and vibration pollution, improve air quality and increase the productivity and reliability of industrial machines.

Tunnel Sensors offer...

Dedicated in-house software development team
Office based technical sales team who are available to assist directly with technical queries, system planning and general advice
Product development research facilities for customer specific projects and / or prototype instruments
A team of service engineers available worldwide to assist with installation, commissioning, calibration and routine maintenance and service calls
A network of distributors worldwide so sales visits and surveys can be carried out by local dealers who are fully trained to offer information and advice on our products

Tunnel Sensors - ACOEM Group Downloads

VIPA-L - Long Path Visibility Monitor Brochure

LUMIOS MkII - Tunnel Luminance Photometer Brochure

ILLIOS - Illuminance Photometer Brochure

AIRFLOW - Air Velocity and Direction Monitor for Tunnels Brochure