Tunnel Lighting Control
Good visibility is the key in traffic safety. Light controlling systems adjust lighting in tunnel entrance cone, to provide driver’s eyes time enough to adapt to new conditions without any dazzling.
Light controlling manner is chosen to specific properties of each individual tunnel. Our systems base on measuring outside light conditions, sky brightness, veiling glare lighting, tunnel luminaries’ condition and traffic flow and density. Any moment they provide optimal illumination and energy saving at the same time.
All consist of photometers light controlling devices and switch-gear / dimming equipment. The main photometer is placed at a stopping distance in front of the tunnel. It measures outside light conditions, which affect drivers before entering. In-tunnel photometers measure road illumination and luminaries’ condition. According to this data and other sensors controlling unit adapts lighting all along the tunnel tube.
— Products —
FM-1/6 Tunnel Photometer
Tunnel entrance photometers FM-1/6 are designed to measure and control traffic area’s illumination based on CIE L20 driver’s view simulation.
FG-8 Tunnel Entrance Photometer
Veiling glare photometer is designed for measuring Lseq veiling luminance and regulating tunnel illumination in accordance with advanced approach of CIE 88 2004 standard.
FS-20 Illuminance Meter
Illuminance meter FS-20 is designed for lighting control on open-street traffic areas and especially for precise measurement of in-tunnel artificial lightning to ensure its proper condition and maintenance.
FX-100 Illuminance Probe
Illumination probe FX-100 is designed for accurate illumination measurements of traffic, work and living areas, following physiological perception of human eye.