The ballast tester of WT2000 meets the design requirement of IEC60929,IEC60969,IEC61000-3-2. 1. Input electrical characteristics analysis: Vrms, Arms, W, PF,Hz,phasic angle THD,0 to 39th harmonic components2. Output electrical characteristics analysis: Startup characteristics of EB including lamp voltage, lamp current,filament current ,guided cathodic current and preheating time and preneating ...