United StatesChange

2- and 3-Point Ground Resistance Tester Kit


  • Measures ground resistance (2- and 3-Point) Fall-of-Potential method
  • Provides high-breaking fuse protection capacity, 0.1A, >250V
  • Auto-ranging: automatically selects the optimum range
  • Color-coded terminals and lead identification
  • Extremely simple to operate: connect – press – hold – read
  • Designed to reject high levels of noise and interference
  • Large LCD digital display
  • Rugged dustproof and rainproof field case
  • Battery-powered, with low battery indication
  • Includes eight 1.5V AA batteries to power approximately 1800 15-second measurements


Part Number EST3640
Soil Resistivity Test No
Measurement Range 0 – 2,000 Ω
Resolution 10 mΩ – 1 Ω
Test Current 10.0 – 0.1 mA
Open Voltage 42 V Max
Operating Frequency 128 Hz square wave
Accuracy 3% of Reading +/- 3ct
5% of Reading +/- 3ct
Unit Weight 35 lb
Kit includes: Two 300’ (91.4 m) color-coded leads on spools (red and blue), two 5' (1.5 m) color-coded leads (red and blue), two 100’ (30.5 m) color-coded leads (green and black), four 14.5” (368 mm) T-shaped auxiliary ground electrodes, one set of five-spaded lugs, one 100’ (30.5 m) tape measure, and one carrying bag.

nVent, nVent CADDY, nVent ERICO, nVent ERIFLEX, and nVent LENTON are owned by nVent or its global affiliates. All other trademarks are the property of their respective owners. nVent reserves the right to change specifications without prior notice.