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Definition of RF LED lights: RF LED light is emitting diode by converting the RF energy into light energy. LED lights are not always RF LED lights, for example, if the maximum working frequency of LED light is less than 9kHz, such as light with non-light source or directly supplied by DC power source (no […]
After end of New Delhi Lighting Exhibition on the Oct, Lisun engineer visit local customer to do install and training mission, this customer is ISO17025: 2005 certificate accreditation laboratory, they have 5 branch test laboratories in India and purchased lots of testing instrument from Lisun, this time they purchased LSG-3000 moving detector goniophotometer (type C […]
In recent years, many manufacturers are planning to manufacture common global LED drive products with a wide voltage input. But since different countries have different product standards, it results in some difficulties and obstacles in the design and production. This article compares and analyzes the differences of LED driver design and test safety standards between […]
IES LM-79-08 Approved Method: Electrical and Photometric Measurements of Solid-State Lighting Products. IES LM-79 standard is mainly for photoelectric performance measurement. Generally it is for whole lamp. Main measurement parameters as follow: Electrical Measurement: Voltage, Current, Power and Power Factor. Colorimetric Measurement: CCT, CRI and Chromaticity Coordinates Photometric Measurement: Luminous Flux and Luminous Efficiency Integrating […]
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 […]