標題: UGR 19 [打印本頁] 作者: kevinchime2 時間: 2010-7-7 09:24 AM 標題: UGR 19 The lighting fixture either for residential or commercial application, there is a rating called UGR ( Unified Glare Rating ). Do you have any idea about the said UGR testing or compliance test for USA and Europe market?