2011年7月25日,IESNA 发布了TM-21-11 《Projecting Long Term Lumen Maintenance of LED Light Sources》,此规范与之前发布的LM-80-08 LED流明维持率测试方法相结合,应用LM-80-08的测试数据来推算LED光源的流明衰减,进而为灯具制造商预估长期寿命表现提供参考依据。 TM-21用于基于LM-80采集数据的LED封装/阵列/模...
IESNA LM-80-08 and TM-21-11
《IESNA LM-80-08 and TM-21-11》.pdf IESNA LM-80-08 and TM-21-11 Mark Hodapp, CRE Senior Application Engineer Philips Lumileds 370 West Trimble Road San Jose, CA 95131 What is lumen maintenance? Well understood that LEDs are very long life light sources. However, the light output of ...
(2x2, 1x2, 2x4 troffer) – High-bay and low-bay area – High-bay aisle – Outdoor roadway/area retrofit kit – Outdoor decorative retrofit kit – 4-foot linear lamp TM-21-11 What it is, and why it is important •IESNA TM-21-11 (Technical Memorandum) specifies how to ...
IESNA TM-21-2011由美国照明工程协会 US-IESNA 发布于 2011-07-25。IESNA TM-21-2011 预测 LED 光源的长期流明维持率的最新版本是哪一版?IESNA TM-21-2011已经是当前最新版本。标准号 IESNA TM-21-2011 发布 2011年 发布单位 美国照明工程协会 购买 正式版IESNA...