LED street light technology has matured
Date:2011-06-14 14:21
Status:Be resolved
Question:admin
as the national standard maintain an average speed road illumination 20Lx, if the initial installation, the average illumination of street lamps 30Lx, should be calculated to 66% of the life of light effects, such calculation is 66,000 hours life. If middle of the night with light control, the actual use of time could reach 10 million hours. of course, can not really achieve this use of time, it may take 25 years to know
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06/25 10:58