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Megger DLRO100EB Digital Low Resistance Ohmmeters

Megger DLRO100EB Digital Low Resistance Ohmmeters

Product Code: MEG1004-872

Price
£5765.00 ex. VAT £6918.00 inc. VAT

Available In 3-7 Days


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Detailed Description

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.

Key Features:

  • CAT IV 600 V AC / 500 V DC for safe operation
  • Lightweight 100 A battery powered unit for portability
  • High noise immunity for stable readings
  • Smooth DC Output for circuit breaker testing
  • IP54 for protection against dust and moisture whilst testing
  • Save, download and delete results (100XB/HB variants)
  • Remote operation, Bluetooth® & asset/result tagging (100HB variants)

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

Key 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.

 Model Variations:

  • 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

Technical Specification

Features EB XB HB Benefits
CAT IV 600 V AC / 500 V DC up to 2000 m
CAT IV 300 V up to 4000 m		 ✓ ✓ ✓ On all test terminals for safe operation
Lightweight 100 A battery powered unit ✓ ✓ ✓ Easily portable – 7.9 kg (17 lbs) with battery
High noise immunity ✓ ✓ ✓ For stable readings in noisy environments
Smooth DC Output ✓ ✓ ✓ Circuit breaker testing
IP54 lid open / IP65 lid closed ✓ ✓ ✓ Protection against ingress during operation (lid open) and storage (lid closed)
Li-ion battery ✓ ✓ ✓ Always ready to test with a Li-ion fast charge battery – 2.5 hours from fully discharged
Works from an AC supply if the battery is fully discharged
Battery capacity: 200 single tests or up to 2×10 minute continuous 100 A output for extended use
100A Manual, Auto and Continuous test ✓ ✓ ✓ Quick selection of test modes for different applications with 4-terminal measurement
Custom test ✓ ✓ ✓ Adjustable current 10–110 A
Ramp rates configurable from 0.5 s up to 30 s
Configurable test duration for flexibility
Range and test mode rotary switches ✓ ✓ ✓ Quick and easy selection of current ranges and modes
Ultra-tough outer case construction ✓ ✓ ✓ Designed for demanding environments with a flame-retardant UL94 V0 inner case for safety
Dual Ground™ ✓* ✓* ✓* Using the optional DC clamp enables circuit breaker testing with ground protection in place for safety
Large, clear LCD ✓ ✓ ✓ Ideal for all light conditions, with backlight
Internal memory storage with USB download capability   ✓ ✓ Effective results management — up to 220 time and date-stamped records
Remote control     ✓ Control the instrument remotely over USB via a PC or laptop for added safety
Asset tagging     ✓ Works with PowerDB app to generate unique asset IDs for efficient asset management
Bluetooth®     ✓ Wireless communication for downloading results and asset tagging

* Requires optional clamp

 

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