The Megger DLRO10HD is a heavy-duty, high-performance low resistance ohmmeter designed for demanding industrial environments. With a test current of up to 10A and accuracy of 0.05%, it delivers reliable measurements for low resistance connections, ensuring safety and efficiency in power distribution, industrial plants, and data centers. Its rugged construction (IP65 lid closed, IP54 operational) and versatile power options make it equally at home in the laboratory, workshop, or field.
Key Features & Highlights
- High Accuracy: 0.05% accuracy ensures precise low resistance measurements.
- Test Currents up to 10A: Provides high current for testing inductive loads, with 10A for 60 seconds.
- Wide Measurement Range: From 0.1µΩ to 100Ω, covering a broad spectrum of applications.
- Fast Test Times: As low as 50ms, increasing productivity.
- Rugged Construction: IP65 (lid closed) and IP54 (operational) for harsh environments.
- High Input Protection: 600V protection, no fuse blow on inadvertent connection to line or UPS voltage.
- Flexible Power: Rechargeable battery or mains supply, with continuous operation even with dead battery.
- Intuitive Interface: Rotary switch selects five test modes, including auto start on connection; large backlit display.
Applications
The DLRO10HD is ideal for testing low resistance connections in power distribution systems, industrial plants, data centers, and for continuity testing, ground resistance testing, and earth resistance testing. It is a versatile tool for electrical maintenance and industrial testing professionals.





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