Tunnel visibility sensors
... networks •Visibility measurement can be easily verified with a checking tool •Low level of effort due to simple mounting and quick commissioning Modernizes measurement performance for tunnel air ...
Early and reliable fire detection in tunnels At a glance Visibility (K value) measured according to the scattered light measurement principle Highly available – no moving parts Quick ...
Visibility Monitor for road tunnels using optical transmission principle. Sensor for ventilation control system or fire alarm system. Reliable measurement parallel to the tunnel ...
The TunnelTech 101 Visibility Monitor (VIS), is an essential part of any road or rail tunnel safety system. Firstly, it monitors the Visibilty within the tunnel and ensures that the tunnel ...
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