SEW 8020ER Digital Earth Resistance Tester Specifications: Measuring ranges Earth resistance 0-20Ω / 0-200Ω / 0-2000Ω Earth voltage 0-200 Vac (40-500Hz) Accuracy Earth resistance ±(1.5%rdg 2dgt) or ±0.1Ω, which is greater Earth voltage ±(1%rdg 2dgt) Earth resistance resolution 0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2000Ω : 1Ω Testing frequency 820 Hz Measuring system Earth resistance by constant current inverter 820Hz approx 2mA. Display 3½ digit (2000 counts) 0Ω adjustment function Yes Open circuit indication LED will be unlit Low battery indication Yes Data hold indication Yes Over range Indication “1”(MSD) Dimensions 221(L) x 110(W) x 57(D)mm Weight (battery included) Approx. 600g Power source 1.5V (AA) × 6 Safety standard IEC/EN 61010-1 CAT IV 200V EN 61557-1 EN 61557-5 EN 61326-1
