Luminance and Illuminance Monitors in Road Tunnels: What Are They and Why Do They Matter?
What Are Luminance Monitors in Road Tunnels? Luminance monitors are specialised devices installed at the entrance and exit of road tunnels. These monitors measure the brightness (luminance) outside the tunnel and communicate with the tunnel’s lighting control system to adjust the interior lighting accordingly. By continuously monitoring external brightness levels, luminance monitors ensure a … Read more