... interface.Specifications function3 Pole & 4 PoleVoltage:AC20/48VFrequency:94Hz,105Hz,111Hz,128Hz,AFC.Resistance ... 5dgt)3 Pole & 4 Pole WithVoltage:AC20/48VCurrent ClampFrequency:94Hz,105Hz,111Hz,128Hz,AFC ... 5%rdg+5dgt)Rk(Compensation mea-Voltage:AC20/48V/DC20Vsurement for Wire resistanceFrequency:94Hz, ... rdg+5dgt)Test Short Current≤250mASoil ResistivityVoltage:AC20/48VFrequency:94Hz,105Hz,111Hz,128Hz,AFC. ...