洁净车间对灯具有硬性要求：不能产尘、不能藏菌、不能破坏层流，还要在 A/B 级区的强光下长时间看细小颗粒而不刺眼。
主要工作室一般照度≥300lx、精细操作 500lx（GB50457 医药洁净厂房），UGR≤19、Ra≥85 便于辨别药液颜色与药片外观；灯具与彩钢板平齐嵌入、密封达 IP65，耐受消毒剂擦拭与 VHP 熏蒸。
我们按洁净等级分区选型，A/B 级用无缝嵌入式密封灯，C/D 级用可清洁面板灯，全部预留 UV／感应接口；并附洁净室安装规范，避免因灯具开孔破坏压差。
Cleanrooms impose hard rules on light: no dust, no bacterial traps, no disturbance of laminar flow, yet long shifts inspecting fine particles under bright light must not hurt the eyes.
Main rooms >=300 lx, fine work 500 lx (GB50457), UGR<=19 and Ra>=85 for drug solution and tablet inspection; flush-mounted to the panel ceiling, IP65 sealed, tolerant of routine disinfectants and VHP fumigation.
We select per cleanliness class: seamless sealed fixtures for grades A/B, cleanable panels for C/D, all with UV and sensor provisions, plus a cleanroom install spec that keeps differential pressure intact.
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