Road variable-message sign, Kemerovo, 30 km, Directorate of Kuzbass Highways
At the beginning of November 2015, in the Kemerovo region, the GT Light company installed four sets of LED road signs, made by order of the Kuzbass Highways Directorate. This LED road sign was installed at 30 km.
The main task of the LED road sign will be the dynamic organization of traffic on the highway, increasing or slowing down the speed limit, limiting the speed limit during repair or construction work on the roadway, etc.
|1||Pixel pitch||P20 mm|
|2||Screen size||1.44 x 1.44 m|
|3||Screen resolution||64 х 64 px|
|4||Consumption max/avg||1.76 / 0.88 kWh|
|6||LED manufacturer||Nichia (Japan)|
Road variable-message sign with pixel pitch 20 mm, size 1.44 x 1.44 m, resolution 64 х 64 px
Description of LED equipment
LED display size — 1.44 x 1.44 m. Taking into account the used pixel pitch P20 mm, the resolution of the LED screen was 64 х 64 px. The cost of this equipment starts from $545 for one square meter.
It should be noted that the cost per square meter depends on several indicators such as the selected components, the type of control, the availability of additional equipment, the U.S. dollar rate at the time of the contract, as well as the total display area.
Pixel shaping type — DIP. The minimum distance of perception of the picture starts from 15 m. The LED module has a wide viewing angle of 140° on both planes. Peak display brightness — 8000 cd/m2. The aspect ratio of the display is 4 : 3. The image refresh rate is 1920 Hz.
In this project, G-Energy power supplies were used. Power consumption at peak loads — 1.76 kW, at medium loads — 0.88 kW. Control interface - DVI-D. The system input signal format is NTSC/PAL/RGB VGA. Operating temperature range from -45 °С to + 70 °С. The estimated lifespan of the display is over 11 years.
Net weight of LED equipment 70 kg.