What is UGR value?
Time:2021-11-18
Views:240
UGR stands for Unified Glare Rating. This value is an indication of the extent to which luminaires and light sources can cause discomfort to people depending on their position to the light source. This value is based on regular patterns and fittings according to the new European recommendations for indoor lighting: EN 12464-1 standard.
Lighting is an often underestimated component within companies, but deserves more attention. The productivity and well-being of an employee is greatly influenced by lighting. Light should be bright enough for work purposes, but no so bright that it causes discomfort. The UGR value is therefore essential in a company.
What factors play a role in determining the UGR value?
Measuring the UGR value depends on certain things. To make a targeted assessment, the following factors play a role:
What is the importance of the UGR value?
Lighting is an often underestimated component within companies, but deserves more attention. The productivity and well-being of an employee is greatly influenced by lighting. Light should be bright enough for work purposes, but no so bright that it causes discomfort. The UGR value is therefore essential in a company.
Measuring the UGR value depends on certain things. To make a targeted assessment, the following factors play a role:
Shape and size of space
Reflected brightness (luminance) from walls, ceilings, floors and other large areas
Type of luminaire and shielding
Distribution of luminaires over space
Observer position
The following UGR values may not be exceeded per application:
The following UGR values may not be exceeded per application:
Value | value Application |
16 | Drawing room |
19 | Office works |
22 | Fine industrial work |
25 | Average industrial work |
28 | Circulation areas and corridors |