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How To Build The Darkroom For Goniophotometer?
23 Jan, 2015 6649 Author: root

How To Build The Darkroom For Goniophotometer?

Goniophotometer measures light intensity performance measurement of luminaries and light source, which is the photometry value in different directions in space and color distribution. Goniophotometer should run in dark room, and what are the requirements for the test environment? The size requirements for dark room: for example, such as LISUN LSG-6000 LM-79 Type C Mirror Goniophotometer System. Ac...

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How to choose right Spectroradiometer & integrating sphere system
17 Jan, 2015 2389 Author: root

How to choose right Spectroradiometer & integrating sphere system

As far as we known that there have several type spectroradiometer, such as CCD spectroradiometer, mechanical scanning spectrophotometer etc. Generally, the type of spectrometer depend on what’s kind of lamp will be test, because the spectrometer is designed according to light-emitting characteristics. There have two kind of spectrometer in the market: one is Fast CCD Spectroradiometer; another i...

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LMS-9000A Spectroradiometer New Functions Introduction
17 Jan, 2015 2883 Author: root

LMS-9000A Spectroradiometer New Functions Introduction

As we known that the quality of LED products depend on lumen, lumen efficiency temperature and CRI etc parameters, the general test device is application with spectroradiometer & integrating sphere system to measuring electrical, photometric and colorimetric parameters. This system mainly testing lumen, CCT, CRI, spectrum, SDCM, voltage, current, power and power factor etc. As general test dev...

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ENERGY STAR for LED Luminaires/Bulb Life Requirements
14 Dec, 2014 2800 Author: root

ENERGY STAR for LED Luminaires/Bulb Life Requirements

USA Environmental Protection Agency(EPA) and Department of Energy(DOE) successively released Energy Star and Lighting Facts Standards for LED Luminaires/Bulb from 2010, which makes relevant industry persons have LED Lighting products standard to follow. At present, international LED large manufacturers for LED product Life evaluation and product specification are also on this basis. That is to sa...

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Electrical Safety Performance Test
17 Sep, 2014 3146 Author: root

Electrical Safety Performance Test

The equipment for electrical safety performance test is in rapid development of modern science technology; all kinds of electrical and electronic equipment are into all fields of social life and become an important symbol of social civilization and progress.  All kinds of electrical appliances and electronic equipment are used in both urban and rural areas and have rapid popularization, which br...

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Electric and Electronic Products’ Fire Hazard Test Method
02 Sep, 2014 2253 Author: root

Electric and Electronic Products’ Fire Hazard Test Method

The best way to test electric and electronic products’ fire hazard, is truly to reproduce the actual existence of conditions, but it is impossible in the most cases. Therefore, according to the current situation, it’s better to simulate the actual effects for electric and electronic products’ fire hazard test. Needle Flame Test, is used to simulate the fault conditions generated by a small f...

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LISUN Designed Several Different Test Instruments for LED Driver According to IEC 62384:2006
23 Jul, 2014 2765 Author: root

LISUN Designed Several Different Test Instruments for LED Driver According to IEC 62384:2006

Due to the quality of LED Driver directly determines the life of the LED lamp, now more and more customers pay great attention to LED Driver testing. In order to meet IEC 62384:2006 and GB/T 24825-2009 standards, Lisun designed the following several products: 1. ATE-2 LED Driver Automatic Test System It is suitable for LED lighting companies who are very demanding on LED driver. It can test the i...

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Color Rendition Index CRI
12 Jun, 2014 3126 Author: root

Color Rendition Index CRI

Light object by the lighting source and standard source(Generally, sunlight is as the standard source), the degree consistent with color is the color fidelity degree, represented by Ra, the maximum value is 100. As an important index to measure the quality of lighting, Color Rendition Index (CRI) is related to the color reduction degree of lamp to object itself, CRI is higher, the color of object ...

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New Integrating Sphere Design
17 Feb, 2014 3121 Author: root

New Integrating Sphere Design

Due to the LED luminaries such as LED street luminaries developed, to do 4π geometry testing, it is hard to be hold in the traditional integrating sphere design. To solve this problem, Lisun design a new kind of sphere.   New Integrating Sphere Design 1. The hold base can bear max 20kg, it can expanding to test all lamps such as E27/E40, all tubes such as T5/T8/T12, and all kinds of lumina...

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