FT-SQX1

Tunnel anemometer is used for highway tunnel environment detection，It adopts ultrasonic detection principle and can accurately measure wind speed and direction in the tunnel.

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FT-DN1

Tunnel brightness monitor is an efficient lighting control system designed to solve visual adaptation problems caused by differences in light and dark inside and outside tunnels.

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FT-DW1

Luminance detector outside tunnel is installed at a height of 4m above the road surface and used to monitor the intensity of natural light outside the tunnel.

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FT-SDN1

Tunnel visibility detector is used to collect carbon monoxide and tunnel visibility data online to provide decision-making basis for tunnel ventilation and road safety.

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FT-SDN2

Tunnel CO,VI,NO2 detector can measure visibility (VI), carbon monoxide (CO), and nitrogen dioxide (NO2) simultaneously or separately.

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