Acoem Tunnel Sensors are pleased to announce the expansion of the LUMIOS photometer product range with the addition of a 24vDC powered monitor, the LUMIOS-D.
The new LUMIOS-D monitor provides the same core functions as the standard AC powered LUMIOS-Mklll photometer which is to measure the level of luminance, or brightness, at the tunnel entrance and exit portals. Providing luminance data to the tunnel’s lighting control systems.