Unverified80% confidenceFactTime unknown
管壁反射率是核心指标：优质导光管内壁反射率应≥98%（如3M镜面反射膜达99.7%），普通铝箔管反射率仅85-90%，长距离传导下亮度差距成倍放大，别只看管径
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified玄关或走廊全身镜高度≥140cm、宽度≥40cm才能完整照出成人全身，靠墙斜放时镜面顶部应向墙内倾斜5-10度避免头身比例失真70% similarUnverified导光管顶部到室内的垂直管长每超过1米，导光效率衰减约5-10%，管长超过6米（即穿越2层以上楼板）时实际照度大幅下降，不建议用于3层以上传导66% similarUnverified靠墙式（斜靠）大镜必须配防倾倒固定带或挂钩锚定到墙面，尺寸≥150cm的镜子仅靠自重斜靠极易被碰倒66% similarUnverified标准壁挂PIR探测角度约90-110°、距离8-12m，走廊等狭长空间应选幕帘型（探测角5-15°、距离可达15m）而非广角型，否则覆盖不到纵深65% similarUnverified中继器覆盖范围标称值（如300㎡）为理想空旷环境值，酒店混凝土墙实际穿墙后覆盖约打3-4折，跨房间使用建议选带外置天线的型号64% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/351933API
curl https://kongchang.com/api/v1/knowledge/claims/351933MCP
get_claim(id=351933)