Home > Product > Earth Resistance Testers > 3 Wire (Digital) Earth Resistance Testers

1120 ER

FEATURES ● Capable of measuring earth resistance and earth voltage. ● 2mA measuring current permits earth resistance to test without     tripping earth leakage current breakers in the circuit. ● The leads are supplied as standard accessories for simplified     two-wire measuring system. ● 0Ω adjustment. ● 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)     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 Measuring system  : Earth Resistance by constant     current inverter 820Hz approx. 2mA. Display : 3½ digit(2000 counts) 0Ω adjustment : √ Open circuit     ndication : LED will be unlit Low battery     indication : "  "symbol appears on the is play Data hold     indication   "    "symbol appears on the display Over range     indication : “1”(MSD) Dimensions : 175(L) × 85(W) × 75(D)mm Weight     (battery included) : Approx. 600g Power source : 1.5V(AA) × 8 Safety standard : IEC/EN 61010-1 CAT III 200V.     IEC 61557-1 IEC 61557-5     EN 61326-1