Jacky

Jacky

Marketing Manager of Lisun Group

India- Maintenance for EMI Receiver System

This Indian customer purchased the EMI-9KB EMI Receiver System from LISUN last year. During the visit in India this time, our engineer went to the customer company for product maintenance. Our engineer is very popular with the customer, and our after-sales service has been highly recognized by the customer. More details for the equipment, please […]

Chile- Installation and training for waterproof test equipment

This is a well-known local testing institution. Through investigation and comparison, they finally selected LISUN. Our equipment is completely in accordance with IEC standards, and after-sales service is guaranteed. When customer place the order, our engineer designed the operation room for them. Soon after the customer received the equipment, we arrange engineer to assist in […]

Darkroom Design of goniophotometer

As the most important part of the lighting test, the main function of the goniophotometer is to measure the absolute luminous intensity. At the same time, it can measure other parameters such as lumen and illuminance. Because of the different testing principle, compared with the integrating sphere spectroradiometer system, the device is more suitable for the measurement of the […]

How to Use TM-21 to Estimate LED Luminaries Life?

LED has the features of long time. According to different power drivers and use conditions, the life of LED can be up to 50,000 hours pr more. LED will not extinguish directly like other light source but decay gradually. Therefore, luminous decay will lead to output low light after long time use, which will make products […]

How to effective to measuring LED lamp Start, Run up time and Flicker

Due to the LED solid-state lighting products have good luminous efficiency, long life and high reliability unique characteristics, so it’s became more popular by markets and customers. But at the same time, the LED solid lighting have fast response characteristics, it haven’t thermal inertia and afterglow effects, like traditional lamps, so it have big influence […]

Similarities and Differences between Photometric Measurements of Goniophotometer and Integrating Sphere for Solid State Lighting Products

According to the requirements of the LM-79 optical testing standards applicable to the widest range in the world, although there are many photometric measurements for light sources and lamps are available, but these standards are dedicated to the measurements for light sources and lamps. Because the form of current SSL products are lamps or luminaires, and […]

LISUN Engineer Continue to do Installation and Training in Russia

LISUN engineer visit several customers in Russia this time. And the customer we discussed today purchased a LSG-1800B Rotation Luminaire Goniophotometer (Big Size) from LISUN this time. LISUN engineer stay 2 days in our customer’s company for the installation and training. The customer is enthusiasm, and they expressed satisfaction with our service finally. It’s a […]

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

Energy Star certification (Energy Star certification) is a certification which can adapt to the requirements of the United States Energy Department. In addition to UL, FCC certification, it is the most popular certification of lighting products to enter the United States market,. UL reflects the goods safety performance, FCC reflects the electromagnetic compatibility of products, while […]

LISUN engineer visit India to install & train LPCE-3 CCD Spectroradiometer Integrating Sphere Compact System

One of LISUN engineers visited India to install and train for our customer here. The customer purchased LPCE-3 CCD Spectroradiometer Integrating Sphere Compact System from LISUN. LISUN Group’s products have been sold to more than 100 countries and regions in Europe, America, Australia, Africa and Asia. And we will continue presenting more and more high quality products […]

LISUN engineer visit India to do installation and training for LPCE-2 High Precision Spectroradiometer Integrating Sphere System

A new factory in India purchased our LPCE-2 (LMS-9000B) High Precision Spectroradiometer Integrating Sphere System for laboratory testing recently. Before the engineer arrived their company, they had installed the equipment. Our engineer can do training for them directly when arrived. The Integrating Sphere & Spectrometer Test System is the most basic lighting test equipment and would be […]

Equivalent Test Between Normal & High Frequency Fluorescent Lamp and LED Tube

Comparing with traditional fluorescent lamp, the LED tube have high light effects, low power consume, long life time and stable luminous efficiency advantages etc. At the same time, for the LED tube performance testing is became more simple, in recent years more and more customers has chosen the LED tube to replace fluorescent lamp. Due […]

Russia installs training LPCE-3 compact spectrum radiometer integrating sphere system

Russia installs training LPCE-3 compact spectrum radiometer integrating sphere system

The recent installation training is a large local lighting company, which has purchased a LPCE-3 compact spectral radiometer integral ball system from our company. The customer is satisfied with our service and indicates that there will be other cooperation projects later.

Russian installation training LSG-1800B high-precision rotating luminaire distributed photometer

LISUN engineers are always on the way to do installation & training all over the world. This article is about the installation and training in Russian. This customer is a large locally lighting manufacturer. Comparing the domestic and foreign suppliers, they finally choose our LSG-1800BHigh Precision Rotation Luminaire Goniophotometer and IS-2M Integrating Spheres. We arrange engineer to visit […]

Development of OLED Equipment Manufacturing Technology

Development of OLED Equipment Manufacturing Technology OLED (Organic Light Emitting Display) is a new generation of flat panel display technology after LCD, LED, CRT and PDP (Plasma Display Panel). It has significant new industry characteristics. OLED is a new type of pure solid (CRT and PDP), which is a new type of pure solid (and […]

One more India customer purchased our LPCE-2 High Precision Spectroradiometer Integrating Sphere System recently

One more India customer purchased our LPCE-2 (LMS-9000B) High Precision Spectroradiometer Integrating Sphere System for laboratory testing recently. This company has been in the lighting industry for many years. They had purchased equipment from many other manufacturers before, but the after sale service was not satisfactory. They know LISUN from a friend company, their friend purchased this […]

How to predict the life of LED?

How to predict the life of LED?

In general description, LED can be used for more than 50000 hours. Even some manufacturers promote their LED can operate 100000 hours or so. The main problem in this aspect is that the LED is not simply not working, and its rated service life can not be calculated by the measurement of the traditional lamp. In […]

Five kinds of LED Efficiency

Compare LED efficiency and life, the conception of efficiency is more complex. Firstly, there are three kinds of general efficiency。 Firstly, for lamp beads, there are two concepts of efficiency: Lamp beads luminous efficiency, how much light can be issued every 1W input power. This efficiency is the indicator to measure the light efficiency of […]

LISUN Engineer goes to India customer to carry out LPCE-3 installation training.

LISUN Engineer goes to India customer to carry out LPCE-3 installation training.

Recently, LISUN engineers outside India, to do the installation training of LPCE-3 compact spectrum radiometer integrating sphere system for customers. The customer ordered the LPCE-3 compact spectrum radiometer integrating sphere system from LISUN this time. LPCE-3 is a CCD Spectroradiometer Integrating Sphere Compact System for LED Testing. It is suitable for photometric and colorimetric measurement […]

Installation & Training in Bhutan

Recently,LISUN engineers went to Bhutan customer company for installation training.Customers bought the LPCE-2 high precision radiometer integrating sphere system and LSG-1200A compact distributed photometer from LISUN. LPCE-2 is an Integrating Sphere Spectroradiometer LED Testing System for identifying the performance of single LEDs and LED lamps. LED’s quality should be tested by checking its photometric, colorimetric […]

How to predict the life of LED?

In general, LED can be used for more than 50000 hours, and some manufacturers are promoting their LED to operate for about 100000 hours. The main problem in this area is that LED is not simply no longer operational. Its rated service life can not be calculated by traditional lamps and lanterns. In fact, when […]

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, […]

The difference between main optical names of LED

The difference between main optical names of LED LED luminaires are this kind of device which can transmit, distribute, and change the light distribution of light source. They are becoming the main products of a new generation of lighting market with its high efficiency, energy saving, safety, long service life, compact, and other technical characteristics. They […]

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 […]

Color difference SDCM

Color difference SDCM Color difference is an important indicator of CFL color performance. Color difference is the difference between computer calculation forma and the target standard, calculated by single lighting source, the value is smaller, accuracy is higher. Please note, it only represents the compared color of a light source, it can not detect the deviation […]

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 […]