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a photo of with our engineer and customer after the training

Installation and training of LPCE-3 CCD Spectroradiometer Integrating Sphere Compact System(India)

A company in India recently purchased a set of LPCE-3 CCD Spectroradiometer Integrating Sphere Compact System. Shanghai Li Shan engineer went to customer company to carry out equipment installation training. The integrating sphere spectrometer testing system is the most basic luminaire testing equipment, and is first considered by the manufacturers and laboratories of lamps and lanterns. […]

Two Directions on LED Intelligentized: Intelligent Agriculture and Lifi

Two Directions on LED Intelligentized: Intelligent Agriculture and Lifi

With 4.0 concepts emerged on the industry, the traditional mind of manufacturing is experiencing unprecedented impact, integration and upgrade of industrialization and information will be the main theme of the transformation for production structure in the future. LED industry as a huge lighting market, in the new historical situation, only LED intelligent road can go […]

If you test high power small size HID lamp, how do you choose Integrating Sphere?

HID lamp refers to the general term for High Intensity Discharge lamp. High pressure sodium lamp, high pressure mercury lamp, xenon lamp, metal halide lamp belong to HID lamp. We generally use Integrating Sphere Spectroradiometer Test System to test the photometric, colorimetric and electrometric parameters. Generally we suggest the diameter size of Integrating Sphere according to the […]

The Methods and Principles of Applying Interference for LED Lighting Burst Test

When doing EFT test, there have L1, L2, L3, N and PE interface. PE and earth are two different concepts. Electrical fast pulse interference is common mode, in the experimental setup figure of the standard, we can see the signal cable which is from the test generator can connect with corresponding power lines (L1, L2, […]

How to Solve the Stroboscopic Problem of LED Lighting?

“Bright blind” in life is an exaggerated description of some impact incidents, but if it is used for the LED lighting industry, then it is the quality problems of LED lamp itself. And “strobe” is likely the initiator to lead to “blind”. Many people are not very clear about the concept of strobe, and even […]

How to Test the Junction Temperature of LED?

How to Test the Junction Temperature of LED? We know that the life of LED is closely related to its junction temperature. The key to prolonging its life is to reduce its junction temperature. And the key to reduce the junction temperature is to have a good heat sink that able to exhaust the heat […]

The LED Driver RMS Value Measurement and Analysis

The LED Driver RMS Value Measurement and Analysis As we known the quality of LED lighting products depend on two points: One is LED chip(light source); Second is LED power driver. In the practice, there only have few company can provide qualified LED chip such as PHILIPS, OSRAM and CREE in the market. Generally, the […]

We finished another customer’s Installation & training in Turkey

We finished another customer’s Installation & training in Turkey Project Description This is a big lighting company in Turkey. They purchase a set of LSG-1800BCCD High Precision Rotation Luminaire Goniospectroradiometer Rotation Luminaire Goniospectroradiometer, EMI-9KA EMI Receiver System and LMS-6000 Portable CCD Spectroradiometer from LISUN this time. They are satisfied with our service and said there would be other projects in the […]

LMS-6000 Portable CCD Spectroradiometer to Test Lumen?

LMS-6000 Portable CCD Spectroradiometer to Test Lumen? With the rapid development of LED lighting market, the competition becomes more and more intense. So more and more LED lighting manufacturers began to focus on the quality of their products in order to gain a greater share in the market. Thus, LED lighting test instruments became the […]

3M Integrating Sphere Test Results Comparison

Lisun engineers visited Barcelona recently, this visit was mainly to install the 3m Integrating Sphere Test Systemfor the customer and provide training service. This customer compared the test results of Lisun’s 3m Integrating Sphere Test System with the test results of Holophane(HEL) and LIA Laboratories. This customer provided 4 samples to the third lab. Compared […]

Installation & Training of LPCE-2 High Precision Spectroradiometer Integrating Sphere System in Indonesia

Installation & Training of LPCE-2 High Precision Spectroradiometer Integrating Sphere System in Indonesia   LISUN engineers are always on the way to do installation & training all over the world. This article is about the installation and training in Indonesia. This customer is a large locally lighting manufacturer. Comparing the domestic and foreign suppliers, they […]

We finished another customer’s Installation & training in Turkey

We finished another customer’s Installation & training in Turkey  This is a big lighting company in Turkey. They purchase a set of LSG-1800BCCD High Precision Rotation Luminaire Goniospectroradiometer, EMI-9KA EMI Receiver System and LMS-6000 Portable CCD Spectroradiometer from LISUN this time. They are satisfied with our service and said there would be other projects in […]

LISUN Engineer do installation and training in Algeria

LISUN Engineer do installation and training in Algeria   This customer inquiry three months ago, and visit our company about two months ago to learn about our product deeply. They are a pretty LED lighting manufacture, and we believe that there would be many orders between us in the future.   After the visiting, they […]

LISUN Engineer Visit Turkey to do Installation & Training

LISUN Engineer Visit Turkey to do Installation & Training   LISUN’s after-sale service is absolutely the first class! The quality of our service won’t change due to the size of the order. Such as this customer, they purchased one set of LPCE-2 Spectroradiometer & Integrating Sphere LED Test System, LISUN arranged an engineer dedicated to […]

LISUN engineer Joye do installation and training in Korea

LISUN engineer Joye do installation and training in Korea   This time, our young engineer Joye Yang set off to do installation and training for our customer in Korea. This customer has purchased some instruments from LISUN before and they are very satisfied with our products and service.   They purchased LSG-1700B Rotation Luminaire Goniophotometer […]

Automotive LED Light

Automotive LED Light In China, cars are becoming more and more popular. With the development of automobile industry, automotive lights are also developing. Automobile lights have experienced Incandescent Light, Halogen Light and HID(High-Intensity Discharge) Light, to the current era of Automotive LED Light. Automotive LED Light has many advantages: Energy-saving and Environmental Protection: LED directly […]

Reasons of error for LED Lamp Testing

Reasons of error for LED Lamp Testing From the perspective of the LED product structure and technology development, the quality criteria of LED product mainly consider the parameters of the optical properties, electrical properties, thermal properties, radiation safety and life. LED optical properties mainly involve luminous flux, radiation flux, luminous efficiency, chromaticity coordinates, correlated color […]

Our engineer visit our old customers in Switzerland for product maintenance

Our engineer visit our old customers in Switzerland for product maintenance   Jacky visited our Swiss client to do product maintenance when he do installation and training for new clients here. The customer purchased some products from LISUN before. Such as the Integrating Sphere & Spectroradiometer Test System, Goniophotometer, WT2080 LED Drive Tester, LS9956 Automatic […]

LISUN engineer Jacky visit new customers in Spain

LISUN engineer Jacky visit new customers in Spain   Our engineer Jacky Jiang visit Spain to do installation & training for clients this month. And he also visited several local potential customers during this period.   This customer is a luminaires manufacturer, they are very interested in our LED test instruments. After learning that our […]

LED Lamps Aging and Life Test

LED Lamps Aging and Life Test Many customers need aging LED lamps, but do not have a clear concept of aging test and life test.   Aging test usually use aging test racks. What is aging test rack? Aging rack is dedicated to simulate the products in real conditions involved in the use of various […]

LISUN Engineer do Installation & Training in Brazil in January 2018

LISUN Engineer do Installation & Training in Brazil in January 2018 In the early January 2018,LISUN Engineer stay in Brazil to do Installation & Training here. We talk about our another customer in Brazil this time. This customer purchase a LSG-1700B Rotation Luminaire Goniophotometer (Big Size) and a CH338 Digital Torsion Meter from LISUN. Finally we share some photos […]

LISUN engineer visit Mexico to do product maintenance

LISUN engineer visit Mexico to do product maintenance   LISUN is recognized by more and more international customers, and they help us do promotion. Because we provide high-quality products and services for them. LISUN can arrange the installation and training to our customer’s company according their requirement, and also arrange the product maintenance for our […]

IEC 61000-4-5:2014 Surge Immunity Test

IEC 61000-4-5:2014 Surge Immunity Test The International Electrotechnical Commission (IEC) has published IEC 61000-4-5:2014, “Electromagnetic Compatibility (EMC) – Part 4-5: Testing and Measurement Techniques – Surge Immunity Test.” “IEC 61000-4-5:2014 relates to the immunity requirements, test methods and range of recommended test levels for equipment with regard to unidirectional surges caused by over-voltages from switching […]

Another Italian customer received LISUN’s Goniophotometer

Another Italian customer received LISUN’s Goniophotometer LISUN’s business has covered more than 100 countries around the world. This Italian customer is a signal light supplier, they purchased the LSG-1950S Goniophotometer for Automotive and Traffic Signal Lamps and some small products from LISUN this time. Below is some photos here: Figure 1: The customer and our […]

IP Level Test Introduction

IP Level Test Introduction IP is the abbreviation of Ingress Protection. IP grade is the protection level for electrical equipment shell against the foreign body intrusion. It comes from the international electrical commission standard IEC 60529 which was also used as the national standard of America in 2004. In this standard, for the protection level […]

Installation & Training in Czech

Installation & Training in Czech After completing installation training in Denmark in August 2016, our engineer went to the Czech Republic. This time we visited NBB BOHEMIA s.r.o.. The customer is specialized in lighting technology research & development and distributing for all kinds of luminaires and lighting products in Czech and Europe with a long […]

Integrating Sphere Development

Integrating Sphere Development   Integrating Sphere is used for flux measurement, which can make test result more reliable. Integrating Sphere can reduce the measurement error caused by the shape of light, divergence angle and responsiveness difference in different location on detector. Let us learn more details about the development of Integrating Sphere manufacture technology. Picture […]

Lisun Electronics Engineers went to Hungary to install Goniophotometer for our Hungary customer.

Lisun Electronics Engineers went to Hungary to install Goniophotometer for our Hungary customer. Zengővári Lighting Ltd has been manufacturing lighting products for 20 years in Hungary. In October 2012, Zengővári Lighting Ltd purchased Lisun Rotation Luminaire Goniophotometer(LSG-1800) for lamp testing. Our Engineers spent three days in providing installation and training service to customers. The first […]

LISUN engineer visit Turkey to do installation & training

LISUN engineer visit Turkey to do installation & training   In February 2017, LISUN engineer visit Turkey to do installation & training for our customers. This customer is a famous lamp manufacturer in Turkey. They purchase a LSG-1950S Goniophotometer for Automotive and Traffic Signal Lamps and a XYL-VI Photometer and Colorimeter from LISUN this time. […]

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 LED lamp etc. all kinds of luminaries for light distribution performance(light distribution curve) measurement, it […]

LISUN engineers do installation & training in Turkey

LISUN engineers do installation & training in Turkey In September 2017, LISUN Engineers do installation and training for customers in Turkey. This customer purchased a LSG-1800B High Precision Rotation Luminaire Goniophotometer and a set of LPCE-2 Integrating Sphere & Spectroradiometer Test System from LISUN. Here we share some photos below: Figure 1: The LSG-1800B High […]