Megger DLRO 10A Micro-Ohmmeter

The Megger DLRO 10A Micro-Ohmmeter is a cutting-edge instrument designed to measure resistance in electrical connections and non-inductive equipment. With its ability to provide accurate readings between 0.1 µΩ and 2000 Ω, it ensures precision in testing. This fully automatic, highly reliable instrument allows users to select the most suitable test current up to 10 A DC to optimise performance and reliability for the item under test.

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• Get accurate results in just three seconds or faster
• The auto current reversal cancels standing EMFs
• The fuse is protected to 600 V
• The NiMH battery means reduced handling weight
• 250 mW power limit (with optional override) to avoid heating the test sample
• It can automatically detect continuity in potential and current connections
• Visible warning of high voltages present at the terminals
• Visible warning of current flowing in the test sample
• Multiple operating modes, including fully automatic
• Built into a strong, lightweight case that is equally at home in the field or the laboratory.
• Light enough to be worn around the neck and small enough to be taken into areas that were previously too small to access.
• Large, bright, 4-1/2-digit LED display

• Standard Accessories: Transport Case, Carry Strap, Test leads, Charger, Rechargeable battery, Users Manual
• Power Supply: Rechargeable NiMH Battery 7AH
• Voltmeter Input Impedance: >200kΩ
• Test Current: 0-10A DC automatically selected
• Typical Accuracy: ±0,2%±0,2 μΩ (10A range)
• Measurement Modes: Manual, Auto, Continuous, Inductive
• Operating Temperature/Humidity Range: +5 to +15°C and 5 to 90%RH (no condensation)
• Dimensions: 220 x 100 x 237 mm
• Weight: 2.6kg, including battery module

• Obtain precise and rapid resistance measurements.
• Prevent downtime and hazards through early issue detection.
• Improve safety and efficiency during testing and maintenance.
• Minimise handling weight with its lightweight, portable design.
• Enhance your testing accuracy and reliability with easy-to-use, advanced features.

• Quality control and inspection — This device ensures that components in electrical installations and machinery meet rigorous safety and quality standards. By measuring very low resistance levels and contact resistance in circuit breakers, the Megger DLRO 10A Micro-Ohmmeter helps identify potential points of failure in switches, connectors and other components before they can cause downtime or hazards.
• Preventive maintenance — This tool is critical for ongoing maintenance routines in industrial settings. Regularly checking resistance with this micro-ohmmeter can predict and prevent failures in electrical systems, motor coils and generator windings, leading to significant cost savings and reduced unplanned outages.
• Installation testing — The Megger DLRO 10A Micro-Ohmmeter provides essential diagnostics during the setup of electrical equipment and wiring. Its ability to test low resistance accurately and verify welding joints ensures that installations are carried out correctly the first time, preventing issues related to poor connections and potential hazards.
• Troubleshooting and repairs — As a vital tool for quickly diagnosing problems in installed systems, this instrument identifies areas of high resistance that may indicate corroded or loose connections. This allows for timely repairs that restore system efficiency and safety.
• Compliance verification — The Megger DLRO 10A’s precise measurements can be used to document compliance with safety standards, such as testing motor and generator windings, helping businesses avoid legal and financial penalties.