MODEL 3124

  • Permits a wide range of insulation testing up to 100GΩ at variable test voltage from 1kV to 10kV.
  • DC voltage output for recorders.
  • Output voltage is shown on the digital display.
  • After tests, automatically discharges the charges stored in the circuit under test.
  • Operated by rechargeable Nickel-Cadmium batteries.


  • 1KV~10KV
  • External

Insulation Resistance

DC Test Voltage1k – 10kV variable / 1000V
Measuring ranges
(automatic change)
1.6GΩ/100GΩ (autoranging) (1k – 10kV variable)
100MΩ (1000V)
First effective measuring range0.05 – 50GΩ (1k – 10kV variable)
1 – 100MΩ (1000V)
Accuracy±10% rdg
Other ranges accuracy±1% of scale length
Output voltage and set voltage indicateDC 0 – 10kV


Power sourceNi-Cd rechargeable battery (1.2V) × 8
Dimensions200(L) × 140(W) × 80(D)mm
Weight1.5kg approx.
Included Accessories7082 (Lead for recorder)
7083 (Lead for battery charging)
7084 (Earth and guard leads)
8075 (120V) or 8080 (220V) (Battery charger)
9176 (Carrying case [Hard])
Ni-Cd rechargeable battery × 8
Instruction Manual

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