Impedance Analyzer is mainly used for piezoelectricity element impedance analysis and parameter calculation. Before using piezoelectricity element, you need to know its major parameters: resonance frequency Fs, antiresonance frequency Fa, half point power F1 and F2, the max. admittance Gmax, direct capacitance C0, dynamic resistance (R1, C1, L1), free capacitance CT, free dielectric constant 33T,mechanical quality factor Qm, electromechanical coupling factor Keff, plane electromechanical coupling factor Kp and so on.