Gantry screen is an important variable message signs and traffic guidance equipment traffic information dissemination, which is based on LED lighting device shows the effect of the basic traffic information display unit of a display device with graphics and text. According to the instruction information traffic, weather and dispatching department, the operator can be released to the variable information boards of various notices and information to effectively induct traffic flow, improve transport capacity of the road network, the safety of the driver driving fast provide excellent service.
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lamp beads |
specific traffic lighting LED |
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pixel pitch |
P25、P31.25、P33.33 |
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display dimension |
customize |
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cabinet material |
aluminum or cold rolled iron |
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chip color |
amber, tricolor , full color or custom |
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brightness |
>10000cd/m2 |
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brightness adjust |
manual or auto adjust |
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viewing distance |
250-300m |
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control mode |
asynchronous control |
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communication port |
RS232/RS485/RJ45/GPRS/3G etc |
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Refresh rate |
>120hz |
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certificate |
CE/FCC/ROHS etc |
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life span |
100,000 hours |
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rate of dot out of control |
<1/10000 |
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Insulation resistance |
>100MΩ |
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high voltage resistance test |
withstand 1500V / 50Hz AC voltage for 1 minute without breakdown |
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Impact resistance test |
pass |
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Vibration resistance test |
pass |
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Contact resistance |
<0.1Ω |
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Protection class |
IP65 |
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Operating Humidity |
5%-95% |
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Operating temperature |
-40℃~+75℃ |
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power supply |
AC220V±18% / 50Hz±10% |