Strong Inteerence Insulation Resistance Tester 3 Phase Motor Grid System Ground Impedance Detector 0.01-3000 ,Easy to Use

Ground resistance range:001-3000 Accuracy ±1.5%rdg±3dgt Ground Resistance Resolution:0.01 Ground voltage range:0-100V AC Accuracy ±1.5%rdg±3dgt Ground voltage resolution:0.01V Baseline conditions:23±5, below 75%rh (auxiliary grounding resistance 100±5%, voltage to ground <10V)