产品名称：飞利浦 HPL-N 50W高压汞灯

HPL-N 400W/542 E40 HG 1SL

一般特性

灯头座                                     E40

玻壳                                       BD120 [BD 120mm]

玻壳材料                                    硬玻璃

玻壳端口                                    涂装

色标                                        542 [CCT of 4200K]

显色指数                                    50 Ra8

颜色描述（文字）                            冷白色

色温                                        4200 K

色温技术                                     3900 K

色度坐标X                                                384 -

色度坐标Y                                                384 -

光通量灯具EM                                           22000 Lm

光源光效(配电感镇流器时)                            55 Lm/W

2000小时流明维持率                         90 %

5000小时流明维持率                         85 %

照明效率,额定场致发光片25°C                      55 Lm/W

LLMF场致发光片,额定20000小时              72 %

LLMF场致发光片,额定16000小时              75 %

LLMF场致发光片,额定12000小时              78 %

LLMF场致发光片,额定8000小时                82 %