Monthly Archives: March 2016

New Product Alert – VICONOX-0 Visibility Monitor

Thu 24 Mar 2016

Tunnel Sensors launch VICONOX-0, a visibility monitor designed to replace the existing VIPA solution. By replacing VIPA with a visibility only VICONOX solution, Tunnel Sensor customers will benefit from a number of design enhancements that help make VICONOX simpler to install … More

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We have worked with Tunnel Sensors for several years. The equipment is sensibly priced, reliable and very easy to commission and service. The after-sales backup is excellent.

Dave Grant
Emaccs Ltd., UK

Tunnel Sensors


The VIPA-L is a long path visibility monitor designed for use in ambient environments such as road, rail or other industrial applications.


The ILLIOS measures illuminance inside the tunnel bore to affect safe lighting conditions for drivers.


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.