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The Meaning and Analysis of Luminous Intensity Distribution
26 Sep, 2017 2967 Author: root

The Meaning and Analysis of Luminous Intensity Distribution

For lighting purpose, the luminaries playing a important role. A good lighting design is achieved by the choice of appropriate luminaires. The nature of the light emitted by the lamp and light control depend on the type of light source, the lamp reflection and the transmitting system and various dimming devices etc. It mainly reflects in the distribution curve of lamps. Light distribution curve is...

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LISUN Exhibition Notice: September 2017 Istanbul Lighting Exhibition
21 Sep, 2017 2868 Author: root

LISUN Exhibition Notice: September 2017 Istanbul Lighting Exhibition

Istanbul Light is an international platform, where all the players in the lighting industry come together under a same roof and where the latest technologies and collaboration opportunities are offered, will take place in Istanbul Expo Center, Yesilköy in Istanbul between 21-24 September, 2017 with the collaboration of the Turkish National Committee on Illumination and Turkish Lighting Luminaires...

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LISUN Exhibition Notice: 2017 Year “One Belt One Road” The Baltic states Economic Forum
12 Sep, 2017 2667 Author: root

LISUN Exhibition Notice: 2017 Year “One Belt One Road” The Baltic states Economic Forum

In September and October 2013, Chairman Xi put forward a major initiative of building “The Silk Road Economic Belt” and “The 21st Century Maritime Silk Road” (referred to as “One Belt One Road”) when he visit to Central Asia and Southeast Asian countries, which has received a high degree of concern from the international community and a positive response from countries along Central ...

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How to choose the right goniophotometer according to the standard LM-79 and EN13032-1?
18 Aug, 2017 6213 Author: root

How to choose the right goniophotometer according to the standard LM-79 and EN13032-1?

There is a wide range of goniophotometers on sale in the market, including central rotation type, rotation mirror type, double mirror type and so on. How to choose the corresponding goniophotometers for the tested lamps becomes the most important problem for the users. This article makes a brief introduction to this knowledge based on LM-79 and EN 13032-1. A-α B-β and C-γ Co-ordinate System A...

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LISUN New Product! – LED Power Driver Aging Rack According to IEC62384
23 Jun, 2017 2734 Author: root

LISUN New Product! – LED Power Driver Aging Rack According to IEC62384

The quality of LED driver will influence the life of LED lamp directly. Therefore, we need to control the quality of LED driver strictly. According to IEC62384-2011 and GB/T 24825-2009 DC OR AC SUPPLIED ELECTRONIC CONTROL GEAR FOR LED MODULES – PERFORMANCE REQUIREMENTS. The control gear shall be subjected to a temperature cycling shock test and a supply voltage switching test as follows: a. Temp...

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IEC 61000-4-2 ESD electrostatic discharge immunity test
23 Jun, 2017 3576 Author: root

IEC 61000-4-2 ESD electrostatic discharge immunity test

The International Electrotechnical Commission (IEC) has issued IEC 61000-4-2 Ed. 2.0 (2008-12) entitled “Electromagnetic compatibility (EMC) – Part 4-2: Testing and measurement techniques – Electrostatic discharge immunity test.” This standard relates to the immunity requirements and test methods for electrical and electronic equipment subjected to static electricity discharges, from opera...

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How to choose integrating sphere to measuring different lamps
20 Jun, 2017 2943 Author: root

How to choose integrating sphere to measuring different lamps

The Spectroradiometer Integrating Sphere System, there are two important parts: one is measuring and analysis; another is assistant part which providing testing environmental. Here we will discuss the assistant part, we knew that the integrating sphere spherical aggregates, the inner wall of integrating sphere is coated with a highly reflective coating material to the effect of light refraction. H...

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HCS-109A Adjustable LED High Frequency Reference Ballast is for Type A LED Tube Test
15 Jun, 2017 3124 Author: root

HCS-109A Adjustable LED High Frequency Reference Ballast is for Type A LED Tube Test

With LED development, the traditional fluorescent tubes in the market are gradually being replaced by LED tubes. Currently LED tubes can be divided into three categories: Type A tube: This lamp can replace the fluorescent tube directly without modification; Type B tube: The power supply of this lamp is built-in LED tube, which can connect with city electricity; Type C tube: Use external power supp...

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What is IPX9K and how to do IPX9K level waterproof test?
12 Jun, 2017 4337 Author: root

What is IPX9K and how to do IPX9K level waterproof test?

For IP grade test, we know the regular level IPX1~IPX8, today we will introduce the IPX9K grade test. In the Annex of standard IEC60529-2013 version, it introduces IPX9 High pressure and temperature water jet. Brief description: Protected against high pressure and temperature water jets. Definition: Water projected at high pressure and high temperature against the enclosure from any direction sha...

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