The test results of UGR are a systematic project that involves many factors such as the size of space, the brightness
of background, brightness of each lamp and lantern in the direction of the observer, the solid angle formed by the lighting position of lights to the eyes of the observer, the position index of a single lamp etc. These factors interact and affect each other, ultimately affect the UGR test value.
Methods of control UGR
1, Avoid installing lamps or lanterns in the interference zone;
2, Using low gloss surface decoration materials, such as UGR diffuser sheet
3, Limit the brightness of led panel light;
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