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AEMC 6471 Ground Resistance Tester

The Digital Ground Resistance Tester Model 6471 measures from 0.01 to 99.99kΩ and is auto-ranging, automatically seeking out the optimum measurement range, test frequency and test current.

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Hard Case 11kg 40L 50W 30H
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Discover the AEMC 6471 ground resistance tester, a premier solution for comprehensive ground testing. This state-of-the-art device covers a range from 0.01 to 99.99kΩ with an auto-ranging feature that seeks the optimal measurement coverage and test frequency for precise results.

The 6471 offers versatile testing methods, including 2-clamp measurements and 3-point ground resistance testing, with soil resistivity and 4-point measurement capabilities. Enhanced by selectable test frequencies and voltages, it guarantees accuracy and reliability in challenging conditions.

Key Features

  • 2- and 4-pole bond resistance and continuity measurement capabilities with automatic polarity reversal for versatile testing
  • 3-pole fall-of-potential measurement, ensuring accurate ground resistance readings in varied environments
  • 4-pole soil resistivity automatically calculates Rho and allows selection between the Wenner or Schlumberger test methods.
  • Manual and automatic frequency scanning from 41 to 513 Hz to achieve optimal test accuracy, even in electrically noisy conditions​​.
  • Selectable test voltage of 16 or 32 V, with up to 250 mA of test current, catering to different testing requirements​​.
  • Can store up to 512 complete tests to facilitate comprehensive data collection and review​​.
  • Includes DataView software for remote setup and operation​.
  • Rechargeable NiMH batteries can be charged using a wall charger or vehicle power


2-Clamp measurement

  • Range: 0.10 to 500Ω
  • Resolution: 0.01 to 1Ω
  • Measurement Frequency:
  • Auto: 1611Hz
  • Manual: 128Hz-1367Hz-1611Hz-1758Hz

3-Point measurement

  • Range (Auto-Ranging): 0.09Ω to 99.9kΩ
  • Resolution: 0.01Ω to 100Ω
  • Test Voltage: Nominal 16 or 32Vrms user-selectable
  • Resistance Measurement Frequency: 41 to 513Hz automatic or user-selectable
  • Test Current: Up to 250mA
  • Accuracy: ±2% of Reading + 1ct @ 128Hz

Soil Resistivity 4-Point Measurement

  • Test Method: Wenner or Schlumberger selectable with automatic calculation in Ω-meters
  • Range (Auto-Ranging): 0.01 to 99.99kΩ; ρ max: 999kΩm
  • Test Voltage: 16 or 32V user selectable
  • Frequency: From 41 to 128Hz selectable

External Voltage Measurement

  • Range (Auto-Ranging): 0.1 to 65.0Vac/dc – DC to 440Hz
  • Accuracy: ±2% of Reading + 1ct

Resistance Measurement (Bond Testing)

  • Measurement Type: 2-Pole (with lead resistance compensation) or 4-Pole (Kelvin sensing) user selectable Range (Auto-Ranging) 2-Pole 0.12 to 99.99kΩ; 4-Pole 0.02 to 99.99kΩ
  • Accuracy: ±2% of Reading + 2cts
  • Test Voltage: 16Vdc (+, – or auto polarity)
  • Test Current: Up to 250mA max

Data Storage

  • Memory Capacity: 512 test results (64KB)
  • Communication: Optically Isolated USB
  • Power Source 9.6V rechargeable battery pack
  • Recharging Source: 110/220V, 50/60Hz external charger with 18Vdc, 1.9A output


  • Infrastructure safety — The AEMC 6471 is essential for assessing grounding in buildings and infrastructure, ensuring electrical systems are safe and compliant by accurately measuring earth resistance and soil resistivity.
  • Telecommunications — For telecom towers, the 6471 verifies earth grounding, which is critical for operational reliability and protection against lightning strikes, thereby maintaining system integrity and service continuity.
  • Power systems — This device is used in power generation and distribution to test ground grids and rods, which are vital for preventing electrical faults and ensuring the stability and safety of power systems.

Rent the AEMC 6471 ground resistance tester from Brandis Hire today

Unlock efficiency and accuracy on your next project with Brandis Hire, your reliable partner for state-of-the-art testing equipment rentals. As a 100% Australian-owned entity, we provide unparalleled customer support. Submit your booking request for the AEMC 6471 ground resistance tester through our site and wait for our team to respond. Alternatively, you may contact us directly for more information.


Why choose the AEMC 6471 ground resistance tester?

The AEMC 6471 stands out in ground resistance testing for its comprehensive capabilities and ease of use. It’s designed for professionals who need reliable, accurate measurements across various testing scenarios. With options for 2-clamp, 3-pole and 4-pole measurements, as well as soil resistivity testing, this device offers versatility for different testing standards.

The automatic frequency control ensures accurate results in electrically noisy environments, and the tester’s ability to store up to 512 test results simplifies your data management. Moreover, the DataView software for remote operation adds a layer of convenience, allowing you to set up and conduct tests from a distance.

What other earth testing equipment do you offer for hire?

At Brandis Hire, we understand the importance of precise earth testing for the safety and efficiency of your electrical systems. That’s why we offer a comprehensive suite of earth testing equipment and accessories like cable reel sets to meet all your project needs. Whether you’re evaluating grounding systems, measuring soil resistivity or assessing earthing conditions, our top-of-the-line equipment is available for rent, including:

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AEMC 6471 Ground Resistance Tester