Unverified80% confidenceDecision RuleTime unknown
亮度取决于光通量而非功率,同样7W不同品牌流明差别大,选购看流明数:卧室约60-80lm/㎡、客厅约100lm/㎡、厨房卫生间约120-150lm/㎡换算所需筒灯数量
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Unverified亮度看流明而非瓦数:客厅主灯建议总流明按面积×150-200lm/㎡估算,卧室×100-150lm/㎡;LED产品每瓦约100-130lm,标注瓦数不能直接反映亮度91% similarUnverified客厅主灯亮度需按面积估算,每平方米约需100-150流明,20㎡客厅总光通量应达2000-3000lm,仅看瓦数会误判(LED不同芯片效率差异大,同瓦数流明可差2倍)89% similarUnverified客厅主照明按每平方米150-200流明计算总光通量,如20㎡客厅需要3000-4000lm总亮度,单靠一盏吊灯往往不足,需搭配筒灯或灯带补光89% similarUnverified选购LED灯泡应以流明(lm)为核心指标而非瓦数:日常照明可参考约100lm/㎡,一个15㎡卧室主灯需约1500lm,客厅按120-150lm/㎡估算89% similarUnverified客厅主灯亮度按每平方米300-400流明计算,20㎡客厅需要6000-8000流明总光通量,避免只看瓦数(LED每瓦约100-120流明)89% similar
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