New AEMC Ground Resistance Tester

AEMC introduces the New Ground Resistance Tester Model 6471

The Ground Resistance Tester Model 6471 is a portable measurement instrument designed to measure Ground Resistance using 2 current clamps (no auxiliary rods). Other test methods provided are: Ground Resistance (3-Pole or 4-Pole), Ground Coupling, Bond Resistance, Selective Ground Resistance and Soil Resistivity (Wenner or Schlumberger method). The Model 6471 measures from 0.01 to 99.99kΩ and is auto-ranging, automatically seeking out the optimum measurement range and test current. Easy-to-use – Simply connect the leads, select the test mode, press Start and read the results.  Up to 512 test results can be stored in internal memory for later recall to the display or download to a PC via DataView software. The Model 6471 is Cat. IV rated to 50V and is over voltage protected to more than 250VAC against accidental connection to live circuits. The voltage is also displayed on screen. Additional features of the 6471 include a heavy-duty field case sealed against dust and water when closed (the test button is also sealed against the elements); manual and automatic test frequency selection from 41 to 513Hz; user selectable 3-Pole Fall-of-Potential or 4-Pole Soil Resistivity test methods and user selectable 2-Pole or 4-Pole Bond Resistance test method. The Model 6471 is rugged, easy-to-use and ideal for maintenance crews performing numerous tests. It exceeds mechanical and safety specifications for shock, vibration and drop tests per IEC standards. The adjustable test frequency provides for rejection of high levels of interference, allowing it to be used under difficult conditions such as high stray currents that normally affect accuracy.


  • 3-Point measurements of resistance to ground on ground rods and grids
  • 4-Point tests of soil resistivity measurements
  • Touch and Step potential testing measurements
  • 2- or 4-Wire tests for continuity tests on bonding or on grounding systems
  • Earth Coupling measurement and display

The AEMC Model 6471 is Available in Complete Kit Form:

AEMC 6471 Kit – 300 ft Multi-Function Ground Resistance Tester – includes meter, set of two SR182 current probes, rechargeable NiMH batteries, optical USB cable, power adapter 110/240V with power cord 115V US, two 300 ft color-coded leads on spools (red/blue), two 100 ft color-coded leads (hand-tied, green/black), four T-shaped auxiliary ground electrodes, set of five spaded lugs, one 100 ft AEMC tape measure, DataView software, ground tester workbook CD, carrying bag for meter and carrying bag for kit.  View and Purchase this convenient Kit HERE

AEMC Instruments manufactures professional electrical test and measurement instruments for the industrial, commercial and utility marketplace. Founded in 1893, their products are backed by over 100 years of experience in test and measurement equipment, and encompass the latest international standards for quality and safety. AEMC is the industry leader in current measurement probes, ground resistance testers and insulation resistance testers. Their full product line also includes clamp-on meters, ratiometers, power meters, harmonic power meters, data loggers, lightmeters and numerous other electrical test tools.

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Mike is a finance industry executive with expertise in test, IT and avionics equipment acquisition, resale, residual valuation, leasing, renting and consignment.
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