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Megger
DLRO100EB Micro-Ohmmeter with DualGround Safety (Mains / Battery)


Megger DLRO100 is portable micro-ohmeter with Dualground for improved operator safety. The tough design, intuitive interface & IP54 (lid open) rating ensure reliability & ease-of-use in the most arduous of conditions.

Part Number:
1004-872

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£5575.00
6690.00 incl. VAT)
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Megger DLRO100 Portable Micro-Ohmeter Range

  • A portable, accurate test system for low resistance measurements

The Megger DLRO100 Portable Micro-Ohmeter is a rugged and highly accurate instrument designed for professionals who need fast, reliable low resistance measurements in the field. With a powerful 100 A output, advanced safety features, and a lightweight build, the DLRO100 delivers dependable results for utilities, manufacturers, and transport industries.

Building on Megger’s century of expertise in ducter testing, this range of Megger Micro-Ohmeters ensures accuracy, portability, and ease of use in even the harshest environments.

 

Why Choose the Megger DLRO100?

  • True Portability – At just 7.9 kg, the DLRO100 is easy to carry, with a Li-ion battery providing up to 200 tests per charge.
  • High Accuracy – Measures from 0.1 μΩ to 1.999 Ω with 0.1 μΩ resolution.
  • Safe and Rugged – CAT IV 600 V AC / 500 V DC rating, IP54 protection (lid open) and IP65 (lid closed).
  • Easy Operation – Clear backlit LCD, rotary controls, and three main test modes: Manual, Auto, and Continuous.
  • Flexible Options – Available in three models: the Megger DLRO100EB, Megger DLRO100XB, and Megger DLRO100HB.

 

The Control Panel:

Control panel of the Megger DLRO100 Micro-Ohmeter

 

  1. Display clearly showing large digits for test results and visible in all light conditions
  2. Single button to save test results and to automatically save in auto mode
  3. IP54 for protection against dust and rain during testing
  4. Clearly visible C and P LED’s showing continuity of current and potential connections
  5. Smooth DC Output on C1 and C2 terminals
  6. High noise immunity on P1 and P2 terminals
  7. CAT IV 600 V AC / 500 DV safety rating on all terminals
  8. DualGroundTM capability with the DC clamp
  9. Quick and easy rotary switch selection of 10 A, 50 A, 100 A tests – no configuration required
  10. User configurable custom test
    • Adjustable:
      • Current ramp
      • Duration of test
      • Output current
  11. Rotary switch selection of view, download and delete test results
  12. Simple navigation of setup and stored results
  13. Rotary switch selection of test modes and off position
  14. USB & Bluetooth for communications
  15. Back light – for low light conditions

 

 

Applications:

The Megger DLRO100 Portable Micro-Ohmeter is used worldwide for:

  • Utilities and Contractors – Switchgear, breaker contacts, busbar and cable joints, lightning conductor bonding.
  • Manufacturing – Testing switchgear, breakers, welded joints, and production cables.
  • Transport and Aerospace – Railway ground connections, conductor rails, aircraft bonding and static discharge systems.

Whenever low resistance measurement is critical, the DLRO100 provides precision and reliability.

 

DLRO100 Model Variants

  • Megger DLRO100EB – The entry-level model, offering essential 100 A testing for straightforward applications.
  • Megger DLRO100XB – Adds internal storage and USB connectivity for saving and transferring up to 220 results.
  • Megger DLRO100HB – The premium version, including USB, Bluetooth®, remote operation, and asset tagging for advanced data handling.

 

Technical Highlights:

  • Range: 0.1 μΩ – 1.999 Ω
  • Current: 10 A to 100 A (up to 110 A adjustable)
  • Accuracy: ± (0.2% + 0.2 μΩ) typical
  • Battery: 200 single tests or two continuous 10-minute runs
  • Charge Time: 2.5 hours
  • Weight: 7.9 kg with battery

 

❓ Frequently Asked Questions (FAQ)

Q1: What is a Micro-Ohmeter used for?

A. A Micro-Ohmeter measures very low resistances, identifying weak joints or faulty contacts that could cause overheating.

Q2: How do the DLRO100 models differ?

A. The DLRO100EB is the base model, the DLRO100XB adds USB storage, and the DLRO100HB includes Bluetooth® and asset tagging.

Q3: Can I use it outdoors?

A. Yes. With IP54/IP65 protection, the DLRO100 is designed for field use in harsh environments.

 

Order the Megger DLRO100 Today

Choose the Megger DLRO100 Portable Micro-Ohmeter that suits your needs: the Megger DLRO100EB, Megger DLRO100XB, or the advanced Megger DLRO100HB. Trusted worldwide, the DLRO100 provides the perfect combination of accuracy, safety, and portability.

 

Technical Specification for: Megger DLRO100EB Micro-Ohmmeter with DualGround Safety (Mains / Battery)

DLRO100EBDLRO100XBDLRO100HB
CAT IV 600 VAC / 500 VDC up to 2000 m, CAT IV 300 V up to 4000 m
Lightweight 100 A battery powered unit
Mains only
High noise immunity
Smooth DC Output
IP54 Lid open / IP65 Lid closed
Li-ion battery
100A Manual, Auto and Continuous test
Custom test
Range and test mode rotary switches
Ultra tough outer case construction
Dual Ground with optional Clamp
Large, clear LCD
Internal memory storage with USB download capability
Remote Control
Asset tagging
Bluetooth
See data sheet for full specification

 

Accessory Code Description Price (Ex VAT)
1004-448 DLRO100 CAT IV 600V Lead Set (5m) £585.00 ADD
1004-449 DLRO100 CAT IV 600V Lead Set (10m) £900.00 ADD
1004-450 DLRO100 CAT IV 600 V Lead Set (15m) £1,110.00 ADD
1005-555 DLRO100 Terminal adapters £325.00 ADD
1005-622 DLRO100 DC Clamp (MCPD 100L) £220.00 ADD
1005-634 DLRO100 CAT IV 600 V Kelvin Lead Set (5m) £585.00 ADD
1005-635 DLRO100 CAT IV 600 V Kelvin Lead Set (10m) £805.00 ADD
1005-636 DLRO100 CAT IV 600 V Kelvin Lead Set (15m) £1,110.00 ADD
1005-973 DLRO100 Lithium Ion Battery Pack £675.00 ADD

 

 

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