Is the high pressure sodium lamp non - cutting?
Half of the light type: the illuminator does not exceed 30% of the rated lumen of the light source, and controls the distribution of light along the road. A street suitable for general use. No light cut type: the illuminator does not limit the luminous flux above the maximum luminous intensity, and the glare is large, only suitable for the surrounding environment, bright streets or very little traffic streets.
The lighting used for road lighting can be divided into three types: light cut, half light and no light. Light cut type: the light from the illuminator to the outside of the road shall not exceed 10% of the rated lumen of the light source, and control the distribution of light along the road, resulting in small glare. Applicable to major streets, trunk highways and expressways.
High pressure sodium light is just a light source. Through the lamp design, you can do, to cut light, half light and no light requirements. There are also a small number of high-pressure sodium lamp in the lamp half of the glass wall coated with reflective layer, so that the direction of the light is more concentrated.
