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lamp beads | specific traffic lighting LEDs |
pixel pitch | P16,P20,P25,P31.25,P33.33 |
display dimension | customize |
cabinet material | aluminum or cold rolled iron |
chip color | amber, tri-color , full color or custom |
brightness | >10000cd/m2 |
brightness adjust | manual or auto adjust |
viewing distance | 250-300m |
control mode | asynchronous control |
communication port | RS232/RS485/RJ45/GPRS/3G etc |
Refresh rate | >120hz |
certificate | CE/FCC/ROHS etc |
life span | 100,000 hours |
rate of dot out of control | <1/10000 |
Insulation resistance | >100MΩ |
high voltage resistance test | withstand 1500V / 50Hz AC voltage for 1 minute without breakdown |
Impact resistance test | pass |
Vibration resistance test | pass |
Contact resistance | <0.1Ω |
Protection class | IP65 |
Operating Humidity | 5%-95% |
Operating temperature | -40ºC~+75ºC |
power supply | AC220V±18% / 50Hz±10% |
AC380V±18% / 50Hz±10% |
Name | Specification | Function | ||
control system | main control system | communicate with the centerof the screen drive traffic monitoring | ||
Brightness adjust system | Brightness adjustment based on ambient light traffic control system screen brightness | |||
power system | power distributor | Centralized power system distribution box | ||
power lightning protection devices | imported professional ightning protection | |||
signal lightning protection devices | devices | |||
Remote Switch electrical system | Remote Switch electrical system with remote, step-switch function | |||
Communication module | RS-485 communication moduleindustrial grade communication module | Industrial communication module | ||
RS-232 communication module | ||||
Ethernet communication module | ||||
LED variable message signs screen perform the following national standards | ||||
LED variable message screen | GB/T 23828-2009 | fully in accordance with international design, production and testing | ||
Traffic sign display | GB 5768.2 | traffic sign text, graphics meet the standards | ||
Chinese character display | GB 2312 | digital display standard Chinese characters | ||
Shell protection grade | GB 7000.1 | IP65 protection rating | ||
Communication interfaces and protocols | JT/T606.1 and JT/T606.3 | standard asynchronous |