Specification:
•  Measure input parameters: Vrms, lrms, W, PF, Hz, current crest factor, total harmonic and 0~50th harmonic components. V range: 10.0~300.0V， A range: 0.010~2.000A，f range: 45~65Hz
• Measure output parameters: Vrms, lrms, W, PF, Hz, current crest factor, total harmonic and 0~50th harmonic components Lamp voltage range: 10.0~450.0V， Lamp current range: 0.010~2.000A
• Accuracy: ±(0.4% reading+0.1% range+1 digit)
• Can test every kind of curve, print both data & curve
• Communication interface available for PC, running under Windows98/2000/XP/Vista