Lisun Instruments Limited was found by LISUN GROUP in 2003. We have sales and service offices in China, Russia, India and Korea. In 2012, we built a high level products show room and accreditation lab in Shanghai. LISUN has setup a new manufactory in China to design & produce the lighting and electrical test instruments. Its 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 and authenticated by the third party lab...
According to the particularity of LED luminous flux measurement, unique optimization is adopted in the design of the?integrating sphere?for LED measurement combined with the diffuse materials of high reflectivity, which makes the system st2021-02-03
Saudi Arabia released new LED standard?SASO 2902?for energy efficiency, functionality and labeling requirements for Lighting products recently. We have got the?SASO 2902?in 2017 which is draft and already produce some instruments for som2021-02-03
At present, there are still many suppliers in China using the old model integrating sphere. This kind of hemisphere is made of six steel sheets, and then using a clamp to combine the two hemispheres. The bottom is supported by an elastic adj2021-02-03