Megger DLRO200-US Low Resistance Ohmmeter

Description

The Megger DLRO200-US is a portable, high-current micro-ohmmeter used for measuring low contact resistance in a variety of applications. The "US" in the model name indicates it is designed for use in the United States, with an English keyboard and appropriate power input. The instrument can deliver a test current of up to 200 A and has a resolution of 0.1 µΩ.

Key features

• High current testing: It can deliver a variable test current from 10 A to 200 A, allowing for precise low-resistance measurements.
• High resolution and accuracy: The ohmmeter provides high-accuracy measurements with a best resolution of 0.1 µΩ.
• Portable and lightweight: Weighing less than 15 kg (33 lbs), its compact design makes it suitable for use in the field, in a workshop, or on a production floor.
• Data storage and transfer: The device can store up to 300 test results and notes in its onboard memory. An RS232 port allows for downloading results to a PC or printing them in real-time.
• Three test modes:
• Normal mode: A 10-second test cycle where the current ramps up and down for a quick measurement.
• Auto mode: Automatically starts a test when the potential leads are connected, which is ideal for testing multiple busbar joints.
• Continuous mode: Delivers a continuous current and takes measurements at 2-second intervals, useful for monitoring resistance over time.
• Four-terminal measurement: This testing method cancels out the resistance of the test leads, ensuring high accuracy.