Home  /  News & Blog

What Is Unified Glare Rating Or UGR?

Mar. 14, 2019

UGR stands for Unified Glare Rating. Led Diffuser Plate Supplier tell you The UGR rating can help to determine how probable a luminaire and its operation in a room would be to cause discomfort to those around it, taking amount of the eye level and direction of view of the user. The lower the value, the less discomfort the user will experience from the lighting. However, just what is UGR?


A number of factors are considered when determining the UGR value: the measurement point, reflection factors and the location and operation of the lighting product. The UGR value takes account of all these factors. The lower the lighting discomfort or glare, the lower the value.

The UGR classification comprises five different high quality courses, 16, 19, 22, 25 and 28, signaling the maximum UGR value that's permissible particularly spaces. A luminaire using a UGR lesser than 10 will produce zero glare. UGR< 19 Is the most ideal UGR value.

Copyright © J.K OPTICAL PLASTIC Co., LIMITED All Rights Reserved | Sitemap              Technical Support: