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The main differences between the LED driver standards ANSI / UL8750 and EN / IEC 61347-2-13
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The main differences between the LED driver standards ANSI / UL8750 and EN / IEC 61347-2-13

In recent years, many manufacturers are planning to manufacture common global LED drive products with a wide voltage input. But...

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The Definition and Test Requirements of RF LED Lights
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The Definition and Test Requirements of RF LED Lights

RF LED light is emitting diode by converting the RF energy into light energy. LED lights are not always RF...

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How to Measure the Immunity to the Electrical Fast Transient disturbance According to IEC 61000-4-4?
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How to Measure the Immunity to the Electrical Fast Transient disturbance According to IEC 61000-4-4?

EFT is short for Electrical Fast Transient, which refers that the burst has specific duration (defined as 15 ms) and...

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Basic Environmental Test for Luminaire According to IEC 60068
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Basic Environmental Test for Luminaire According to IEC 60068

During World War II and after the war, Western countries, especially the United States, have established a series of environmental...

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The evaluation and measurement standards of LED blue light hazard
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The evaluation and measurement standards of LED blue light hazard

LED blue light hazard is to evaluate the photochemical damage of the blue radiation to the retina. In practice, we...

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A comparison of standard IES LM-79-08 and IES LM-80-08
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A comparison of standard IES LM-79-08 and IES LM-80-08

IES LM-79-08 Approved Method: Electrical and Photometric Measurements of Solid-State Lighting Products. IES LM-79 standard is mainly for photoelectric performance...

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Maintenance Method of Integrating Sphere
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Maintenance Method of Integrating Sphere

Integrating Sphere is a hollow sphere which inner surface coated with white diffuse material. There are one or several apertures...

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Standard operating procedures of Spectroradiometer & Integrating Sphere System
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Standard operating procedures of Spectroradiometer & Integrating Sphere System

Spectroradiometer & Integrating Sphere System as main test device to measuring LED lamps, it’s as a most important device to...

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Parameter requirements for qualified standard lamps and how to judge lamps and lanterns
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Parameter requirements for qualified standard lamps and how to judge lamps and lanterns

1. The allowable tolerance range of standard light source calibration and retest results is as follows: X, Y Chromaticity Coordinates:...

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