UGR is a numerical method to indicate the indoor unpleasant glare caused by illumination. The comfort of different UGR is different, and the application occasions are also different. Then UGR<19 Supplier will talk about several commonly used UGR values. UGR13, just felt uncomfortable; the lighting effect is glare, the light curtain reflects less, making the ceiling darker, giving a gloomy effect; this is mainly used in computer rooms, monitoring rooms. UGR Sheet 16-19, just accepted, in the boundary of comfort and discomfort; effective control of glare, light curtain reflection, is the first choice for comfortable office work; mainly used in ordinary, high-end office library reading room, hospital, school building and other occasions. UGR22, just not comfortable; lighting space is full of energy, but glare, light curtain reflection is very interesting; generally in commercial building lighting, business halls use more. The UGR value is divided into seven le...