During the exhibition, Lisun showed its main instruments which attracted many customers to stop and talk. Among them, there are...
Read More →
HCS-109A has two functions: one is high frequency ballast; second is high frequency digital power meter. As above picture show, after...
Read More →
During the measurement of luminous flux with integrating sphere, comparing with common lighting source, the luminous flux test accuracy of...
Read More →
The ideal integrating sphere paint should have below performances: 1. High-Lambert characteristics (good diffuse reflection characteristics) 2. High reflectance in...
Read More →
According to IESNA-LM-79-80, when spectroradiometer integrating sphere system tests LED flux, light source’s self-absorption can influence test result, therefore, it...
Read More →
Goniophotometer measures light intensity performance measurement of luminaries and light source, which is the photometry value in different directions in...
Read More →
As far as we known that there have several type spectroradiometer, such as CCD spectroradiometer, mechanical scanning spectrophotometer etc. Generally,...
Read More →
As we known that the quality of LED products depend on lumen, lumen efficiency temperature and CRI etc parameters, the...
Read More →
USA Environmental Protection Agency(EPA) and Department of Energy(DOE) successively released Energy Star and Lighting Facts Standards for LED Luminaires/Bulb from...
Read More →