Unverified90% confidenceFactTime unknown
亮度看流明(lm)不看瓦数：LED约100-120lm/W，替换传统60W白炽灯选约800lm的LED（约8-9W），40W白炽灯约450lm对应5W LED
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UnverifiedLED灯泡实际亮度看流明(lm)而非瓦数，替换60W白炽灯需约800lm(约8-10W LED)，替换100W需约1600lm(约14-16W LED)，光效达标的LED应≥100lm/W97% similarUnverified选择LED灯泡看流明(lm)而非瓦数：约100lm/W为高效标准，卧室需求800-1100lm（约9-11W），客厅主灯需1500-2500lm，一个替换60W白炽灯的LED约需800lm92% similarUnverified同规格下亮度看流明（lm）而非瓦数，智能LED灯泡约9W可达800-1000lm相当于传统60W白炽灯，选购按流明匹配空间需求：卧室400-600lm、客厅主灯800lm以上91% similarUnverifiedLED灯具的光通量（流明lm）才代表亮度，瓦数（W）只代表耗电，同亮度下LED约为白炽灯功率的1/8；选购看lm而非W，效能好的LED约100-120lm/W90% similarUnverified光效指标看流明每瓦(lm/W)而非单看功率：优质LED灯泡≥90lm/W，9W可达800流明以上，替代传统60W白炽灯；只标功率不标流明的产品需警惕虚标90% similar
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