DV Power RMO200A Micro-Ohmmeter

The DV Power RMO200A Micro-Ohmmeter are designed for resistance measurement of electrical connections and equipment. Suitable for testing of non-inductive equipment using a very simple principle for accurate resistance measurement between 0,1 µΩ – 999,9 mΩ. Available test currents of 5 – 200A are manually selected by the user.

Using the most advanced switch-mode technique available today, the RMO generates ripple-free DC current with automatically regulated test ramps. During a test, the RMO ramps the current to the selected test value, measures the resistance and then ramps the current back to zero, effectively eliminating magnetic transients.

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• Test resume functionality for power supply interruptions.
• Compatible with DV-B Win software for in-depth test analysis.
• Expandable with BXL extra load units for larger battery banks.
• Portable and lightweight construction starting at 12.8 kg.
• Designed with robust NORYL casing for added durability.
• Provides discharge in various modes (constant current, power, resistance, or customised profiles).

• Standard Accessories: Hard Transport Case, Current and Voltage Test Leads, Mains power cable, Earthing Lead
• Power Supply: 230VAC 50Hz
• Fuse: 15A
• Test Current: 0-200A DC
• Typical Accuracy: ± 0,25% rdg ± 0,25% FS
• Interface Type: RS232
• Operating Temperature/Humidity Range: -10 to 50°C and 5 to 95%RH (no condensation)
• Dimensions (Instrument Only): Length 380 mm, Width 198 m,m Height 255 mm
• Weight (Instrument Only): 8kg

• Power Plants: Maintain and test DC backup power systems and uninterruptible power supplies for critical plant operations.
• Telecommunication Systems: Ensure stability of backup power systems, supporting uninterrupted service during outages.
• Generator Excitation Systems: Validate generator performance and maintain stability of power generation.
• Substations: Test battery backup and ensure smooth electricity transmission.
• Protection and Control Systems: Verify DC supply reliability for efficient operation of control systems.