4120 ER 3 Wire Digital Earth Resistance Tester 4120 ER 3 Wire Digital Earth Resistance Tester SKU: 4120ER ● 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 test leads are supplied as standard accessories for simplified two-wire measuring system. ● Battery operated. ● Data hold function. ● Indication: Battery test. Low battery. Data hold. Over range. ● Calibration performed with supplied test leads. Specifications ● Earth resistance: 0-20Ω / 0-200Ω / 0-2kΩ. ● Earth resistance Accuracy: ±(2%rdg+2dgt). ±(2%rdg+0.1Ω) at 20Ω. ● Earth voltage: 0-200 Vac (40-500Hz). ● Earth voltage Accuracy: ±(1%rdg+2dgt). ● Earth resistance resolution: 0-20Ω: 0.01Ω. 0-200Ω: 0.1Ω. 0-2kΩ: 1Ω. ● Measuring system: Earth Resistance by constant current inverter 820Hz approx. 2mA. ● Open circuit indication: LED will be unlit. ● Display: 3½ digit (2000 counts). ● Dimensions: 250(L) × 190(W) × 110(D)mm ● Weight (battery included): Approx. 1500g. ● Power source: 1.5V (AA) × 6 ● Safety standards: IEC/EN 61010-1 CAT III 300V. EN 61557-1 EN 61557-5. EN 61326-1. Availability: In stock $561.00 Special Order Product - Estimated Ship Date 3-4 Weeks. Other Ranges available upon request. -- Please Select --QTY $561.00 Qty: Add to Cart OEM Pricing / Custom Configuration × Email to a Friend Documentation Documentation Datasheet : 4120 ER Earth Resistance Tester Size: (258.4 KB) Catalog: Earth Resistance Testers Size: (998 KB) Documentation Documentation Datasheet : 4120 ER Earth Resistance Tester Size: (258.4 KB) Catalog: Earth Resistance Testers Size: (998 KB) Related Products 2120 ER 3 Wire Digital Earth Resistance Tester $500.00 Add to Cart 2720 ER 3 Wire Digital Earth Resistance Tester $510.00 Add to Cart You may also be interested in the following product(s) AL-36 Test Leads Add to Cart AL-36L Test Leads Add to Cart