CRI 80 与 CRI 90 对比
显色性在哪些空间值得加钱。
CRI 90 更贵、每瓦流明更低。只有当人需要在空间里判断颜色时才划算——食品、面料、肤色、饰面。
| 对比维度 | 选项 A | 选项 B | 优胜 |
|---|---|---|---|
| Warehouse aisles | Sufficient for labels and safety colours | Not needed | CRI 80 |
| Retail and grocery | Flat produce, muted packaging | Standard for fresh food and fabric | CRI 90 |
| Offices | Acceptable | Noticeable on wood, textiles and skin | CRI 90 |
| Healthcare | Corridors and plant rooms | Examination and patient areas | CRI 90 |
| 光效 | Typically 5-12% higher at CRI 80 | Lower, but improving | CRI 80 |
| Cost delta | 基准 | About 8-20% per luminaire | CRI 80 |
结论
仓库、机房与后勤区用 CRI 80；凡是需要评估货品或肤色的空间，用 CRI 90 且 R9 高于 50。接受这个说法之前先索要 LM-79 报告。
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📋 权威标准出处
IEC 60529 · CIE 13.3 · ANSI C78.377 · IES LM-79 / LM-80 · UL 1598 / UL 8750 — 数据由 CompareDeals 团队核验。