LED功耗consumptions47W系統功耗SystemConsumptions58WLED初始光通量LEDinitialfluxWWPWCW 3854Lm3995Lm3901Lm功率因數Powerfactor＞0.98總諧波失真Totalhamornicaldistortion 9%電源效率Powereffciency＞82%燈具效率Powereffciency＞91%安裝高度installationheight6M8M10M平均照度Averageilluminance＞28.5lux＞13.8lux＞8.6lux光斑面積llluminanceArea￠9.5M￠15.5M￠19M照度均勻度llluminanceUniformity＞0.4