Because LED and high pressure sodium lamps are better than low pressure sodium lamps. Low pressure sodium lamps are not as good as them for the following reasons:
- Efficacité légère: The efficiency of low pressure sodium lamps is about 50-100 lm/W, which is lower than that of LED lights.
- IRC: Low pressure sodium lamps have a low CRI and emit yellow light. This light cannot provide clear vision.
- Starting time: Low pressure sodium lamps have a long starting time, qui peut aller jusqu'à 30 minutes. Cependant, LED street lights can turn on instantly.
Plus de lecture: Lampadaires LED VS Lampadaires HPS: Quoi de mieux dans 2023?
