4120 ER 3 Wire Digital Earth Resistance Tester

SKU:
4120ER
$618.00
4120 ER 3 Wire Digital Earth Resistance Tester
  • 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.
$618.00

Specifications

  • Measuring ranges
    • Earth resistance: 0-20Ω / 0-200Ω / 0-2000Ω
    • Earth voltage: 0~200V (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
    • 0-2kΩ : 1Ω
  • Measuring system: Earth resistance by constant current inverter 820 Hz, 2mA approx.
  • Open circuit indication: LED will be unlit

General

  • Display: 3½ digit (2000 counts).
  • Low battery indication.
  • Data hold indication.
  • Over range indication: “1”(MSD).
  • Dimensions: 250(L) × 190(W) × 110(D)mm.
  • Weight (battery included): Approx. 1500g.
  • Power source: 1.5V (AA) × 8.
  • Safety Standard: EN 61010-1 CAT III 300V. IEC 61557-1. IEC 61557-5. EN 61326-1.

Accessories: Instruction manual. Test leads (red-15m, yellow -10m, green-5m). Auxiliary earth spikes. Simplified measurement probe. Shoulder belt. Batteries.

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