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Tunnel Sensors Limited
Furlong House
NN13 5TW
United Kingdom

Tel +44 (0)1280 850563
Fax +44 (0)1280 850568

Registered Office:
Tunnel Sensors is a division of
DynOptic Systems Limited
15 High Street
NN13 7DH
United Kingdom

Company No. 1950437
VAT No. GB 443715454

Our business only uses companies that are proven market leaders because our clients require the best, and Tunnel Sensors delivers the accuracy and the reliability that we need every time.

Greg Love
Control Equipment Pty Ltd., Australia

Tunnel Sensors


The LUMIOS MkIII measures the level luminance, or brightness, at tunnel portals to ensure that the visual perception of drivers is maintained, both day and night.


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


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