... super big LCD directly and print the report. electric ballast tester measure parameter1. Input:Vrms, Irms, W, PF, Hz, phasic angle ... , guided cathodic current, lamp power, crestfactor and oscillatory frequency, single high frequence analysis;3. Start up:Start up lamp voltage, lamp ... every EB. 5. Analysis symmetry of high frequence curve of lamp current. 6. 12-bit high-speed A/D, sampling rate up ...