61347-2-7

ejfgde

请问下列是什么意思？
ratio of the emergency luminous flux of the lamp supplied by the emergency ballast to the luminous flux of the same lamp operated with appropriate reference ballst at its rated voltage and frequency The emergency ballast lumen factor is the minimum of the values measured at the appropriate time after failure of the normal supply and continuously to the end of the rated time duration


mention of whether the ballast is suitalble for use only on battery not having a trickle or intermittent re-charging circuits

suqaxs

EBLF的定义

yin168

小姐，你所提供的资料不加标点很难看明白哦！
关于应急灯可以参照国标GB 7000.2.

suqaxs

意思是：（EBLF是）
应急灯在日常电源失效后在额定有效工作期间提供的最小光输出与该灯使用适宜的基准镇流器在其额定电压和频率下工作时的光输出之比。