Street Light Lumens

From what i have read low pressure sodium puts out approx 180 lumens watt so a 100 street light would be 1800 lumens a 400 watt bulb would be around 72 000 lumens using that figure.

Street light lumens.

A standard 40 watt 40w bulb is equal to 400 lumens. The yuelguang solar street light houses 84 led bulbs that provide a total brightness of 650 750 lumens. We have low cost high quality street light options backed with either a 5 year or 10 year warranty. The national and provincial roads require different standards.

Most inner city street lights are low wattage hps bulbs. Unlike other models the yuelguang solar street light is also equipped with light and motion sensors. With its flexible light head this solar street light can provide light up to 50 meters. That is most street light optics would distribute the high and very high zonal lumens below the limits required for this rating.

So how many lumens do you need for outdoor lighting. Residential applications of led street lights generally call for lumen packages in a range for 3000 to 5000 lumens. In this lumen range most street light luminaires would have a g rating 1. It refers to a light bulb s brightness intensity of light and visible light emitted.

How many lumens does a street light need is qualified. The purpose of street lights is to illuminate the surroundings including the road and adjacent areas in a manner that human beings using the area can adequately perceive the area and its surroundings. Typically the higher the wattage the higher the lumens and the more light output. This must be determined according to the grade of the road.