LED Tester | Christmas Light Tester - LISUN

One more Indian 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 system from us before. After our customer received the equipment, we arrange engineer to their company to do installation and training immediately for free. The installation training lasts one and a half days. Our engineer communicate with them very smoothly use English and left a very good impression to our customer. Lisun Instruments Limited was found by LISUN GROUP in 2003. LISUN quality system has been strictly certified by ISO9001:2015. As a CIE Membership, LISUN products are designed based on CIE, IEC and other international or national standards. All products passed CE certificate ...

Goniophotometer  is mainly used for light intensity performance measurement of luminaries and light source, which is the photometry value in different directions in space and color distribution. Goniophotometer should run in dark room, and what are the requirements for the test environment? The size requirements for dark room: for example, such as LISUN LSG-5000 LM-79 Type C Mirror Goniophotometer System . According to CIE requirement, dark room consists of 2 parts, the recommended size of the dark room for Goniometric Rotating Console is W5.0m*L5.0m*H5.9m;  the recommended size of the dark room for Photometric Light Path is W1.5m*H1.5m*L(15m – 30m). According to the requirements of CIE, the recommended distance between lamp and photo detector is 6 times than the diameter of lamp. The recommended size of operating room is no less than W3m*L3m. LISUN GROUP engineer dept will submit the Lab Design support documents according to the customer’s real lab size after the formal purc...