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AEMC 6240 Micro-Ohmmeter

The 10A Micro-Ohmmeter Model 6240 is a rugged, low resistance tester designed for both plant maintenance and field use.

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Box 9kg 52L 41W 21H
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The AEMC 6240 micro-ohmmeter accurately measures very low resistance within 0.25%. The resistance measurements are automatically calculated from 1µΩ to 400Ω with resolutions down to 1µΩ. The Model 6240 has selectable test currents of 10A, 1A, 100mA and 10mA and includes a polarity reversal function. It is designed to conduct tests on both resistive and inductive materials. You can print up to 99 measurements directly or store the data on a PC.

Operation: Central rotary switch and function keys Working temperature range: -10 °C … +50 °C

Operating temperature range: 0 °C … +35 °C Nominal temperature range: 18 °C … +28 °C
Storage temperature range: -30 °C … +60 °C

Battery life span: 5 hours or 1000 tests

Weight: ≤ 4 kg without accessories ≤ 5.5 kg incl. accessories and batteries in carrying case Case material: NORYL, shock -and scratch proof thermoplast

Key Features

  • Measures from 5μΩ to 400Ω
  • Test current selection from 10mA to 10A
  • Manual temperature compensation (with DataView® software)
  • Front panel polarity reverse function
  • Operator safety by automatic discharge of residual charge on the equipment under test
  • Instantaneous, continuous or multiple test operation
  • Auto store of multiple test results
  • Internal, rechargeable batteries conduct up to 850, 10A tests
  • A built-in battery pack recharger recharges the batteries by connecting to the AC line (110V-230V, 50/60Hz) using a standard line cord
  • 4-Wire measurement with automatic compensation of undesirable voltages and lead resistance
  • Large multi-function backlit display
  • Direct display of the measurement with units, range and test current


  • Earth/ground system bond verification — For grounding systems, this micro-ohmmeter confirms the integrity of bonds, a cornerstone in preventing electrical hazards and ensuring system stability.
  • Electrical substation maintenance — The AEMC 6240 micro-ohmmeter is crucial for verifying the condition of substation connections, including busbar joints and splices.
  • Weld joint integrity verification — It’s instrumental in checking weld joints, delivering accurate resistance measurements to verify the weld quality and ensure structural and electrical safety.
  • Circuit breaker and switchgear contact assessment — This device can measure contact resistance in breakers and switchgear, ensuring these critical components function correctly to prevent electrical failures.
  • Aerospace coating resistance measurement — The AEMC 6240 is vital for assessing metallic coatings in aerospace. Its precision ensures coating processes meet stringent resistance specifications.
  • Quality control in manufacturing — The AEMC 6240 is integral for assessing component quality through precise resistance measurements. It ensures parts comply with strict quality standards, preventing failures in electronic devices.

Rent the AEMC 6240 micro-ohmmeter from Brandis Hire today

Brandis Hire stands out as a 100% Australian family-owned business with a commitment to making technical equipment hire straightforward and customer-focused. Our hassle-free approach with no lock-in periods, complimentary technical support and delivery options showcase our unmatched dedication to customer care.

For your next project’s precise measurement needs, submit a booking request for the AEMC 6240 micro-ohmmeter or contact us for more details​.


Why choose the AEMC 6240 micro-ohmmeter?

The AEMC 6240 micro-ohmmeter is the professional’s choice for precision low-resistance measurement. With advanced features like multiple test modes, automatic bidirectional operation and a wide measurement range, it ensures accurate and reliable readings. Its portability and ease of use make it ideal for various applications, from industrial manufacturing to utility maintenance. Choosing the AEMC 6240 means investing in quality and efficiency for critical testing requirements.

What other micro-ohmmeters do you offer for hire?

When it comes to testing with precision, Brandis Hire offers a range of micro-ohmmeters tailored for every scenario. Our selection includes:

  • AEMC 6250 micro-ohmmeter — The AEMC 6250’s broad measuring capabilities, from 0.1µΩ to 2500Ω, coupled with automatic temperature correction and up to 1500 test results storage, make it ideal for rigorous field-testing. Its rugged, waterproof case and internal batteries allow extensive use on-site or in the lab​.
  • DV Power RMO-H 300A micro-ohmmeter — This handheld device’s measuring range of 0.1 µΩ to 3000 mΩ and its ability to cancel electrostatic and electromagnetic interference make it indispensable for high-voltage environments. It’s designed for a full day’s testing without a battery recharge, ensuring productivity and safety​.
  • Sonel MMR-650 micro-ohmmeter — The MMR-650 excels in both resistive and inductive testing, from amorphous core transformers to welded connections. Its wireless data transmission and advanced user interface streamline testing in power plants, railways and production lines​​.
  • Megger MOM2 micro-ohmmeter — Ideal for testing circuit breaker contacts and busbar joints, the MOM2 uses an ultracapacitor for high-current output. Its DualGround™ method ensures safe, grounded testing on both sides, making it a highly durable and convenient tool for extensive field use​.
  • DV Power RMO-H23 300A micro-ohmmeter — Specialising in contact resistance measurements, the RMO-H23 is equipped with advanced interference suppression technology, perfect for high-voltage environments. Its handheld design and robust protection features deliver precision in the most demanding settings​​.
  • AEMC 6255 micro-ohmmeter — The AEMC 6255 is revered for its extreme accuracy, utilising a four-wire Kelvin method to test both resistive and inductive materials. Its three test modes cater to various materials and conditions​​.
  • DV Power RMO-H23 300A micro-ohmmeter — This micro-ohmmeter is a powerhouse in portability and protection, ideal for testing circuit breakers and high-current busbar joints. Its high-capacity battery and efficient filtration system make it a reliable choice for extensive fieldwork without frequent recharging​​.
  • Megger DLRO100X — This a robust and versatile micro-ohmmeter, ideal for applications that demand reliability and precision. It is designed for safety with a CAT IV 600 V rating, ensuring protection even under challenging conditions. Its portability is unmatched due to its lightweight, battery-powered design, allowing for use in locations without mains power.

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AEMC 6240 Micro-Ohmmeter