... , 1 Hz, 0.1Hz, 0.01 Hz Accuracy: 0.01Hz·Phase: 0.0~359.99oResolution of amplitude : 10o, 1o, 0.1o ... ~21st Harmonic amplitude related to fundamental wave 0~100% Harmonic phase related to fundamental wave 0 ~359oFeatures and Functions·Various inductive ... display, such as voltage and current amplitude value, power, frequency, phase etc ·Voltage short circuit and current open circuit alarming·2nd ...