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India – Installation and training for LPCE-3 CCD Spectroradiometer Integrating Sphere Compact System

This customer purchased our LPCE-3 CCD Spectroradiomete […]

India-Installation and training for LSG-1700B Rotation Luminaire Goniophotometer (Big Size)

This customer is a local luminaries manufacturer, they […]

LISUN engineer visit Colombia to do installation and training for customer

This is a luminaries manufacture. They purchased a set […]

Germany – Installation and training for SC-015 Dustproof Testing Machine and JL-34 & JL-56 Waterproof Test Equipment

This customer is the leading German manufacturer and gl […]

Qatar – LISUN engineer provide installation and training services for LSG-1700B Goniophotometer, YWX/Q-750 Salt Spray Chamber, JL-56 Waterproof Jet Test Device

This customer is well known in Qatar and is the first L […]

Darkroom Design for a Goniophotometer

As the most important part of the lighting test, the ma […]

Comparative Evaluation between ANSI / IES Standards LM-79-19 and LM-79-08

Spanish version LM-79-19 download: ANSI/IES LM-79-19 Me […]

What is color difference SDCM and how to do the measurement?

Color difference is an important indicator of lighting […]

Characteristics of LISUN GDJS series High and Low Temperature Humidity Chamber

LISUN GDJS series High and Low Temperature Humidity Cha […]

Brief introduction of CE certificates

In recent years, the CE marks are more and more widely […]

IEC 60529(GB4208-2008)IP Protection Grade Waterproof and Dustproof test

IEC 60529 IP code is a coding system to indicate the de […]

Analysis on the Status of Certified LED Bulb in USA Energy Star

Energy Star certification (Energy Star certification) i […]

LISUN 3M Integrating Sphere Test Results Comparison

Lisun engineers visited Barcelona recently, this visit […]

LISUN Design 3m Electric Integrating Sphere

Summary: Compared with common integrating sphere, the a […]

LISUN Design 3m Electric Integrating Sphere

Summary: Compared with common integrating sphere, the a […]

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

High/Low temperature & humidity test chamber is use […]

Application for IEC 60529(GB4208-1993)IP Protection Grade

IEC 60529 IP code is a coding system to indicate the de […]

Glow wire test

Glow wire test is to test the stability of electrical a […]

The Status of Integrating Sphere in China Market

IES LM-79 “Electrical and Photometric Measurement of So […]

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

How to choose the right goniophotometer according to th […]

Lumen test difference between integrating sphere and goniophotometer

As well as we know that for the LED luminaires lumen te […]

Improve the accuracy of the LED flux testing in the Sphere

Abstract: According to the particularity of LED luminou […]

Types & Test Methods of Luminaires Goniophotometer

The most critical factor that affects the quality of li […]

EMI Measurement Application and Relative Test Standards

Along with the technical development, more and more dig […]

The Lighting Product EMC Problem and Testing Technology

LEDs and LED luminaires with high light efficiency, lon […]

What are EMC tests?

With the widespread use of electrical and electronic eq […]

The classification of EMC

Introduction Electromagnetic Compatibility EMC refers t […]

Poland-Installation and training for Integrating Sphere Test System

Recently, a Polish laboratory contacted our company to […]

Brazil – Installation and training for Integrating Sphere Test System and Goniophotometer

The Brazilian customer found LISUN brand and contacted […]