total luminous flux

verification scheme of measurement instruments for total luminous flux jjg

总光通量计量器具检定系统

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the led total luminous flux decreases with the increase of time in the dc mode, but it does not change in the pulse mode.

LED总光通量在直流模式下随点燃时间下降，在脉冲模式下则不随点燃时间变化。

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total luminous flux measurements on discharge lamps used for photometric standards

测光标准器用放电灯总光通量的测量

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because of this reason, it is necessary and important for us to make some measurements and researches about the total luminous flux of led.

基于此，本论文有针对性地作了LED总光通量的相关测定和研究。

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at first, we discussed the traditional integrating sphere relative method for the measurement of led's total luminous flux.

首先，本论文探讨了LED总光通量常规的积分球相对比较法测量。

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The experimental results are that the power and total luminous flux are in-creased when the neon component of mixture gases is increased, but the efficacy of the com-pact fluorescent lamps is reduced and lamp voltage is enhanced to be up 5-30%.

实验结果显示，当充入混合气体中氖气比例上升时，灯的功率和总光通量上升，灯的工作电压也上升5～30%，但是灯的光效下降；

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among the many technical indexes of led, the total luminous flux is one of the most important.

在LED的诸多技术指标中，总光通量是其中最重要者之一。

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In This paper are describe the variations of the total luminous flux, lamp wattage, woring current and voltage across the lamp with different input voltage.

本文叙述了在不同输入电压下，测量灯管的总光通量、灯管功率、工作电流、灯端电压的实验。

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with the continuous development of led industry, an accurate measurement on the total luminous flux of led has been put on the agenda.

随着LED产业的不断发展，对LED总光通量的准确测量也提到了越来越重要的议事日程上来了。

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of working standard lamps for total luminous flux

总光通量工作基准灯检定规程

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