T&R Digital Micro-Ohmmeter DMO200K

  • As per DMO200 but supplied with Kelvin Clamp 3m output lead set
  • Ultra lightweight (6.9kg)
  • 1-200A DC test current with <2.5% ripple
  • 0.1μΩ resolution
  • mV, A, and m/μΩ displayed simultaneously
  • USB memory key for data storage
  • USB keyboard for comment entry
  • Pre-settable test current with three buttons to store user test currents
  • Large back-lit liquid crystal display
  • Universal supply voltage 90-264V
  • Optional current clamp to allows testing of objects with both sides earthed
  • IP rating 54


The DMO200K Digital Micro-Ohmmeter is a versatile device designed for accurate measurement of low resistances. Additionally, it includes a 3-meter Kelvin Clamp output lead set, which makes it suitable for various applications. Whether you’re in commissioning, maintenance, or production line environments, this device excels at safely and precisely measuring contact resistances in circuit breakers, switch panels, isolators, and busbar joints.

Operating the DMO200K is simple and user-friendly. First, select the desired test current and activate the output. Moreover, it offers presettable test currents for added convenience. With automatic range selection, you can ensure accurate measurements, as it displays current, voltage, and resistance simultaneously. Furthermore, all readings are held on the display, even when the output is off, allowing for easy reference.

Efficient data management is a key feature of the DMO200K. It provides USB results storage and comes with a USB keyboard for storing comments alongside the readings. Moreover, all results are time-stamped and saved in a CSV file, ensuring organized and accessible data.

With its bright backlit display, the DMO200K offers clear visibility in various lighting conditions. Test results, including current, sense voltage, and resistance, are promptly displayed, allowing for quick and accurate analysis. Experience the precision and reliability of low resistance measurements with the DMO200K.


Operating Manual


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