Technology News

Moving Mirror Goniophotometer Introduction

Moving Mirror Goniophotometer Introduction Lisun LSG-2000 Moving Mirror Goniophotometer System adapts the solution of rotating mirror in the center, it is widely applied in road lamp, room lamp, spot lights, stage lights, Mining lamp, Automobile lamp, traffic signal lamp and [...]

IP Waterproof and Dustproof Rating Test

IP Waterproof and Dustproof Rating Test Purpose of the test: to assess the ability of the material to prevent solids and liquids from entering the external shell Detection range: electrical and electronic equipment, automotive aircraft and other parts IP level (waterproof and [...]

IEC 61000-4-2 ESD 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 [...]

High/Low Temperature & Humidity Test Chamber Analysis in China Market

High/Low Temperature & Humidity Test Chamber Analysis in China Market

High/Low temperature & humidity test chamber is used to simulate a actual temperature and humidity environment which it may caused any influence for surrounding objects,due to electronic products widely application in various occasions, in order to design better product [...]

What is TM-30?

What is TM30? IES TM-30-15 is a document approved by the Illuminating Engineering Society (IES) that describes a method for evaluating light source color rendition. The method encompasses several individual measures and graphics that complement one another and provide a [...]

The Status of Integrating Sphere in China Market

IES LM-79-08 “Electrical and Photometric Measurement of Solid-State Lighting Products” as the exclusive international standard for measuring the total luminous flux, electrical power, luminous intensity distribution and correlated color temperature (CCT), color rendering index (CRI) and other colorimetric parameters [...]

According to IESNA-LM-79, How to Choose the Integrating Sphere and Goniophotometer

IESNA-LM-79 (Electrical and Photometric Measurements of Solid-State Lighting Products) is a standard made by Illuminating Engineering Society of North America; this standard put forward the measurement standard and method, which clarify the test parameters, testing equipments, measurement rules and [...]

The development, application and test standards of LED street lights in the Southeast Asian market

Nowadays, with the development of LED industry, its technology continues to be mature and has widely applied at home and abroad. Comparing to mature markets in Europe and America, LED lighting industry also has been very popular in Southeast [...]

Characteristics and Applications of Different Type Goniophotometer

According to IESNA-LM-79 standard, Goniophotometer is used for light intensity distribution and flux test. Accordingly, Lisun Group introduced several different types Goniophotometer, the following introduces its characteristics and application. Lisun LSG-2000 LM-79 Goniophotometer with Rotating Mirror is an automatic light [...]