It can show the data and the waveform on the super big LCD directly and print the report. electric ballast tester measure parameter1. Input:Vrms, Irms, W, PF, Hz, phasic angle, total harmonicand 0-39 component of harmonic;2. Output:Lamp voltage, lamp currentm, filament current, guided cathodic current, lamp power, crestfactor and oscillatory frequency, single high frequence analysis;3. Start up: ...