electric ballaster The speed reaches 10MHz when sampling.It can test the wave shape of a single high frequency wave. electric ballaster measure parameters1. Input: Vrms,Irms, W, PF, Hz, phase angle,total harmonic and 0-39th component of harmonic2. Output:Lamp voltage, lamp current,filament current, guided cathodic current, lamp power, crestfactor and oscillatory frequency, single high frequence ...