DIGITAL CLAMP METER - 31503 Date Hold&Overload Protection Functions: AC Current:200/1000a+/-(2.0%rad+5dgts) Ac Voltage:750V+/-(1.0%rdg+4dgts) DCVoltage:1000V+/-(1.0%rdg+2dgts) Resistance;200/20K+/-(1.0%rdg+2dgts) Insulation Test;20m/2000m+/-(1.0%rdg+4dgts)