The Megger DLRO-10HDX is a state-of-the-art low resistance ohmmeter (microohmmeter) designed for demanding industrial and utility applications. With a 10 A test current and 0.05% basic accuracy, it provides precise measurements of low resistance connections in power distribution systems, industrial plants, and data centers. Its rugged IP65-rated case and simple rotary controls ensure reliable operation in harsh environments, while the large backlit LCD and onboard memory (up to 200 records) enhance usability and data management.
Key Features & Highlights
- High Accuracy: Basic accuracy of 0.05% ensures reliable and repeatable resistance measurements.
- High Test Current: Delivers 10 A into loads up to 250 mΩ and 1 A into loads up to 2.5 Ω, with test durations up to 60 seconds.
- Fast Testing: Capable of up to 1000 tests per second for rapid connection verification.
- Rugged Design: IP65 case (lid closed) and IP54 operational rating (battery power) withstand drops, shocks, and weather.
- Multiple Test Modes: Five selectable modes including bidirectional (current reversal with averaging cancels thermal EMFs), unidirectional, automatic, continuous, and inductive.
- Memory & Data Transfer: Onboard storage for up to 200 records and download capability to PowerDB software.
- Power Flexibility: Operates from rechargeable battery or AC mains supply; battery can be charged while operating on line power.
- Safety Features: Protected to 600 V without fuse blowing, live voltage warning light, and CAT III 300 V rating with optional terminal cover.
- User-Friendly Interface: Large backlit LCD with contrast adjustment, rotary switches for mode/range selection, and auto power-off to conserve battery.
Applications
The DLRO-10HDX is ideal for testing low resistance connections in power distribution networks, substations, industrial maintenance, and data centers. It is also suitable for production line testing, ground resistance verification, and continuity testing in demanding field conditions.
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