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We have developed a good working relationship and received excellent service throughout the installation and commissioning period. Since then, the instruments have performed very well.

Clive Dyche A.C.M.I.
Medway Tunnels, UK



Tunnel Sensors

LUMIOS MkIII

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.

AIRFLOW

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

CROSSFLOW

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

VICONOX

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