LED Tester | Christmas Light Tester - LISUN

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 factors on the aging of the product conditions to strengthen the process of the corresponding conditions.   Why we need aging test? Electronic products, no matter components, parts or machines, all need aging test. Aging and test is not one concept, aging firstly and then test. Electronic product after manufacturing forms a complete product, which is able to play its role. But users may find a variety of problems after use, most problems occurs in the first few hours to dozens of hours. Later, formulate electronic products aging and test to simulate the using state or equivalent products. This process is done by the product manufacturer.   The problem products will stay in factory, ...

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 here: [caption id="attachment_9033" align="alignnone" width="800"] Figure 1: Customer, LISUN engineer, and LSG-1700B Goniophotometer[/caption] [caption id="attachment_9034" align="alignnone" width="800"] Figure 2: Customers are practicing the operation of the LSG-1700B Goniophotometer[/caption] [caption id="attachment_9035" align="alignnone" width="449"] Figure 3: The LSG-1700B Goniophotometer is working[/caption]  

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 old customers. These services have been highly praised by our clients.   LISUN engineer visit Mexico client who has purchased many equipment from LISUN to do maintain the. Below is the photo of our engineer and the client: [caption id="attachment_9012" align="alignnone" width="800"] LISUN engineer visit Mexico to do product maintenance[/caption]

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 and lightning transients. Several test levels are defined which relate to different environment and installation conditions. These requirements are developed for and are applicable to electrical and electronic equipment. The object of this standard is to establish a common reference for evaluating the immunity of electrical and electronic equipment when subjected to surges.” “The test method documented describes a consistent method to assess the immunity of an equipment or system against a defined phenomenon. This stand...

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: [caption id="attachment_8986" align="alignnone" width="400"] Figure 1: The customer and our engineer (the middle)[/caption] [caption id="attachment_8987" align="alignnone" width="225"] Figure 2: The LSG-1950S Goniophotometer purchased by this customer[/caption]

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 of electrical equipment shell against the foreign body intrusion, the IP level format is IPXX. In which the XX are the two Arabia number. The first tag number indicates the protection level of contact protection and external object protection; the second tag number indicates the protection level of waterproof. For the more specific protection level can refer to the table below. Level of protection usually uses IP with the following two figures to express. The numbers used to specify the protection level. The first number indicates the range of the device against dust, or the extent of people against damage in sealed environment. ...

LISUN participate the most influential lighting exhibition in INDIA - LED Expo Delhi    The LED Expo Delhi is one of the most influential exhibition for professional lighting products and technology, it is a 3 day event being held from 30 November to the 2 December 2017 at the Pragati Maidan in New Delhi, India.  LISUN engineers carry LED test equipment in Shanghai Li Shan participated in this exhibition.    It involving residential lighting, commercial lighting, landscape lighting and so on, gathered in India's major lighting manufacturers, lighting companies, as well as some professionals. There are many people who come to our booth to learn about our products. Except our regular customers, most are new customers. The products showed on the exhibition were bought by our customers, and we got some new orders on the exhibition. Many thanks to our customer’s trust. LISUN would provide you with better products and services in the future!   We share some...

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 history. They purchased LSG-1700B high precision rotating luminaire goniophotometer and LPCE-2(LMS-9000A) high precision CCD spectroradiometer & 2m integrating sphere system from Lisun.   Lisun Engineer visited their company, and help them to install the equipment, also gave a training course to them and teach them how to operate the instruments and etc. Below are some pictures. [caption id="attachment_8902" align="alignnone" width="800"] Figure 1: LSG-1700B high precision rotating luminaire goniophotometer[/caption] [caption id="attachment_8903" align="alignnone" width=...