... curve Specification:• Measure Vrms, lrms, W, PF, Hz;• Harmonic distortion analysis for voltage & current, display total harmonic and 0-50 times ... ;• Component harmonic, selectable for absolutely or relatively harmonic display; • Voltage range:10.0-600.0V, Current range: ... .010-20.00A, Auto range; • Accuracy: ±(0.4%reading + 0.1%range + 1digit);• Simultaneously display Vrms, lrms, W, PF value on ...