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Meteorology

JES t/FL-DP Air flow monitoring system – differential pressure

Measuring tunnel air flow by differential pressure.

JES t/FL-USX Air flow monitoring system – Ultrasonic cross-section

Precise ultrasonic air flow measuring system based on different transition times of ultrasonic pulses

JES t/SIG Traffic Signal Monitoring

Monitoring of traffic signal states in front of and in the tunnel

JES t/EXT Extractive Visibility and Gas Monitoring System

Extractive Visibility and Gas Monitoring System with all important components located outside of the tunnel.

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