SEW-Taiwan

Earth Resistance Testers

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Created on: 18 February 2014

FEATURES ● Capable of measuring earth resistance and earth voltage.● 2mA measuring current permits the testing of earth resistance without    tripping earth leakage current breakers in the circuit under test.● The leads are supplied as standard accessories for simplified    two-wire measuring system.● Battery operated.● Data hold function.● Battery test indication.● Calibration performed with supplied test leads.     SPECIFICATIONS         Measuring ranges Earth resistance 0-20Ω / 0-200Ω / 0-2000Ω Earth voltage 0-200 Vac(40-500Hz) Accuracy Earth resistance ±(2%rdg+2dgt) at 200/2000Ω ±(2%rdg+0.1Ω) at 20Ω Earth voltage ±(1%rdg+2dgt) Earth resistance resolution 0-20Ω : 0.01Ω   0-200Ω : 0.1Ω   0-2000Ω : 1Ω Measuring system Earth Resistance by constant current inverter 820Hz approx. 2mA Display 3½ digit (2000 counts) Open circuit indication LED will be unlit Low battery indication “   “symbol appears on the display Data hold ...