... designed for sodium lamp, mercury lamp and halogen lamp electrical ballast&meets inter/national standard toward ele-test. MEASUR PARAMETER: ... tatal harmonic and 0-50 harmonic components.2. Output: Lamp voltage, lamp current(10A), lamp power, crest factor and oscillatory ... Measure the changing curve and data of input voltage, current, power, output lamp voltage, lamp current and lamp power from 0- ...