Ultraviolet lamps can be used for ultraviolet sterilization, excitation fluorescence (fluorescence microscope, banknote detection), trapping and killing insects, and printing. Curing three-dimensional parts of different shapes and sizes, angles and bends, edges and bumps requires light to be projected onto all surfaces and should have sufficient energy. Generally, the lamp is composed of a lamp tu...
The full name of IEC 60068-2-75 is Environmental testing-Part 2-75: Tests- Test Eh: Hammer tests. It has been prepared by IEC technical committee 104:Environmental conditions, classification and methods of test. We will introduce the IEC 60068-2-75-1 Scope The following is the original content of IEC 60068-2-75-1. IEC 60068-2-75-1 Scope This part of IEC 60068 provides three standardized and coordi...
In recent years, the LED market has been expanding, which is attributed to the unique characteristics of LED solid-state lighting products, such as good luminous efficiency, long service life and high reliability .Therefore, LED solid-state lighting products are increasingly favored by the market and consumers. But at the same time, because of the fast response speed of LED and the lack of thermal...
The full name of IEC 60068-2-1 is Environmental Testing Part 2-1: Tests-Test A: Cold. It is edited by the IEC technical committee in 2008.We will introduce the IEC 60068-2-1 Environmental Testing Part 2-1: Tests-Test A: Cold The following is the original content of IEC 60068-2-1 IEC 60068-2-1 Environmental Testing Part 2-1: Tests-Test A: Cold This part of IEC 60068 deal with cold tests applicalbe ...
The full name of EN13032-1 is Light and lighting Measurement and Presentation of photometric data of lamps and luminaires. It is edited by CEN in 2004. This standard is a guide to procedures referring where necessary to the relevant CIE, ISO and CEN publications . We will introduce the clause 6.1.1.3 Goniophotometer type 3 in this article. The following is the original content of EN 13032-1 6.1.1....
The full name of IES LM-79-08 is Electrical and Photometric Measurements of Solid-State Lighting Products. It is edited by the Illuminating Engineering Society in 2008. This approved method is a guide developed for the measurement of solid state lighting products. We will introduce the clause 9.1 Integrating Sphere with a Spectroradiometer(Sphere-spectroradiometer System) in this article. The foll...
Spanish version LM-79-19 download: ANSI/IES LM-79-19 Mediciones Fotométricas y Eléctricas de Productos de Iluminación de Estado Sólido (SSL) ANSI (American National Standards Institute) and IES(Illuminating Engineering Society of North America) officially released the latest version of the IES LM-79-19 standard in May 2019, it will replace the LM-79-08 version. LISUN interpreted the new standa...
Spanish version LM-79-19 download: ANSI/IES LM-79-19 Mediciones Fotométricas y Eléctricas de Productos de Iluminación de Estado Sólido (SSL) This article tries to make a comparative evaluation between ANSI/IES LM-79-19 Standard that has replaced ANSI/IES LM-79-08 that deals with the methods approved by ANSI/IES regarding performance, requirements technicians of photometric and electrical param...
There are many customers feedback that their LED luminaires can’t pass CE Certificate EMI Radiation Test (30-300MHz) in 2019 year but it is the same one can be passed last year. Why this happen? The main reason is the new EMI test standard were updated to CISPR15:2018. The EMI Test is the most important and difficult to test for the LED luminaires. This article LISUN engineer will take us t...
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