4120 ER 3 Wire Digital Earth Resistance Tester

SKU:
4120ER
$589.00
  • 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.
$589.00

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.