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LSRF-3 is equipped with Class A fast photometric probe, so the sampling speed is up to 100kHz. It fully meets the requirement of BASIC, Energy Star V2.1, IEC-Pst, CA CEC, ASSIST, CIE SVM, IEEE Std 1789 standards, etc. It is professional for flicker test of LED lights and lamps, energy-saving lamps, etc. According to EU directives 1494/2012, 2009/125 / EC, EU2019/2015 – EU2019/2020 and IEC60969 "Self- ballasted Lamps for General Lighting Services-Performance Requirements" and other requirements, in conjunction with LISUN' s LSP-500VARC AC Power Source (With Trigger Function) also can test the Start and Run-up time of lamps.