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Mexico – Installation and training for Goniophotometer

LISUN engineer visit a famous local laboratory in Mexico this time. In the last quarter, they purchased a set of LSG-5000SCCD Moving Detector Goniospectroradiometer from our company. By comparison, our equipment is the most cost-effective among the same quality equipment. Besides, we can also provide on-site installation and training services. After the customer place the […]

Greece – installation and training for LSG-1800B High Precision Rotation Luminaire Goniophotometer

The company that our engineers visited was founded in 2000. The company’s business scope includes the manufacture of lighting fixtures and equipment. This time, the customer purchased a LSG-1800B High Precision Rotation Luminaire Goniophotometer. The customer is satisfied after receiving our goods. But because customers have some difficulties in using equipment and installing distributed photometers, the […]

LISUN  will visit India to attend the New Delhi Lighting Fair in October 2018

LISUN has participated in this India lighting exhibition for four years and has developed a large market in India. We will continue to participate in the New Delhi Lighting Fair in October this year. We will then inform everyone LISUN booth number and welcome to our booth! We would prepare gifts for you. This is […]

Malaysia – Installation and training for dustproof and waterproof test machine and IK level tester

This customer contacted us to learn about IPXX test machine last year, they knew LISUN from their friend company. And they purchased the SC-015 Dustproof Testing Machine, JL-56 Waterproof Jet Test Device, IK07~10 IK Level Tester from LISUN recently and we have finished the installation and training for them now. The waterproof test equipment needs to design the water […]

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

The Brazilian customer found LISUN brand and contacted us when they learned about the LED test instruments on the website. They just set up a new factory, and one of their friends has bought our equipment before. They finally purchased the CH338 Digital Torsion Meter, LPCE-2 High Precision Spectroradiometer Integrating Sphere System and LSG-1700B High Precision Rotation Luminaire Goniophotometer. […]

Indian- Installation and training for Integrating Sphere Test System

LISUN engineers often visit India to do installation and trainin. The service is recognized by the customers here. This customer is a local famous laboratory. This time they purchased 1 set LPCE-2 (LMS-9000B ) High Precision Spectroradiometer Integrating Sphere System from LISUN. Below is the picture of customer and our engineer after the installation and training: Figure […]

Columbia – Installation and training for Electrical Safety Tester

This is a large experimental institution in Colombia. They purchased ZRS-3H Glow-wire Test Apparatus, ZY-3 Needle Flame Test, TTC-1 Tracking Test Chamber, HVR-LS Horizontal Vertical Flame Tester and some other electrical safety testers from LISUN this time. They found LISUN through the website. The price of our equipment is higher than other companies’, but the materials used in our equipment are also […]

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 […]

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 […]

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 […]

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 […]

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. […]