LED lights with high pressure sodium lamp which good?

For now, if only from the photosynthetic efficiency, solar led street light are far less high pressure sodium lamp. LED street lamp lighting is 125 lm/w, and photosynthetic efficiency of high sodium lamp is 125 lm/w. LED street lamp high pressure sodium lamp spectrum comparison focused on yellow, however, its low colour temperature contrast only 2000-2500 k, the LED solar street lamp color temperature contrast in more than 2500-4500. High pressure sodium lamp light another deficiency is that it is of divergence, a large part of cannot reach the road. So in actual glow effect, the same power LED street light than the high-pressure sodium lamp is much brighter. 100 w leds can replace 250 w high pressure sodium lamp, or mercury lamp of 300 w. 100 w LED solar street light output is 6250 lm, reached the road when the number of lumens is still 6000 lumens, and the road surface to the average illuminance on the 16 lux ( 12 m) 。 250 w high pressure sodium lamp output is 20000 lm. But to reach the road on the number of lumens only 7000 lumens. Illumination of the road is about 30 to 40 lux, due to differences in color coefficient, the LED illumination correction coefficient of 2. 35 times, high pressure sodium lamp modification coefficient of 0. 94 times. So the 100 w LED the ground illumination for 37 after modified. Six lux, and high pressure sodium lamp of the modified illumination for 28. 2-37. 6. The fairly. So, 100 w leds can take the place of 250 w high pressure sodium lamp, LED energy saving 2. 5 times. Is a set research and development, design, production, sales, installation, after-sales service company. The main products are: landscape lamp, garden lamp, street light, high lamp, solar lamp, LED street light head, engineering lamps and lanterns and the tens of thousands of products, products have passed the ISO9001 international quality system certification, CCC certification, CE certification, the international standard product symbol certificate, this garden light interested friends can log in to our official website.
is a modern solar light widely used in led street light manufacturers industry. It also enhances the quality custom made solar lights value of the products.
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But we do think that reckoning with supply chains of solar light is a really important step. Even super simple switches in material, or sourcing, or shipping, or worker benefits seems like good place to start.