u & nbsp;& nbsp;& nbsp;& nbsp;& nbsp; DC resistance and AC impedance can be measured. u & nbsp;& nbsp;& nbsp;& nbsp;& nbsp; The built-in signal generator is 20 Hz~8 kHz, continuously adjustable, and can also be connected to an external signal generator. u & nbsp;& nbsp;& nbsp;& nbsp;& nbsp; The upper and lower limits can be set, and the high-speed measurement is qualified/unqualified. u & nbsp;& nbsp;& nbsp;& nbsp;& nbsp; Large LCD impedance meter and frequency meter can also be used as independent frequency Impedance measurement range a.0Ω~ 120Ω, Resolution 0.1Ω b.120Ω~ 4000Ω, Resolution 1Ω Signal generator 20Hz~8 kHz, adjustable Impedance measurement error a.1 kHz Zx≦± ( 0.4 %+0.1Ω). b.Zx (20 Hz~20 kHz ):≦± ( 0.8%+0.1Ω). DCR:≦± ( 0.2 %+0.1Ω) Frequency meter 10Hz ~ 100kHz