Ground resistance measurements from 0.01ohm to 2000ohms with 0.01ohm resolution DY5500 Multi Function Tester (Insulation Tester+Earth Tester Meter+Voltmeter+Phase Indicator) Features Ground resistance measurements from 0.01ohm to 2000ohms with 0.01ohm resolution Measure insulation resistance to 2000M ohms Test voltage 250V, 500V, 1000V AC voltage measurement to 600V Check phase sequence and phase status Auto ranging, data hold, LCD backlight Low battery warning Complete with test leads, auxiliary earth bars, phase wire, heavy duty carry case and eight AA 1.5V dry cells Specifications Model DY5500 Earth Resistance 0~20/200/2000Ω ±(2%+5) Testing Voltage 250/500/1000V Insulation Resistance 0.1~2000MΩ ±(3%+5) Phase Rotation Check yes AC V 700V ±(2%+5) Auto range yes Function Symbol Display yes Data Hold yes Low Battery Warning yes Max. Displays 1999 LCD Backlight yes General Characteristics Product Size 190×155×75mm Product Net Weight approx. 900g Power AA 1.5V×8 Standard Accessories insulation test leads (DY38), earth bars and wires (DY39), phase sequence test wires (DY40), simplifield test wire for earth resistance (DY41), earth bar case (DY2), carry case (DY5) DY5500 Earth Ground Resistance Insulation Tester Multi Function Tester Phase Tester Resistance Meter TLEAD