MI 3280 Transformer Windings and Ratio Tester

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Manufacturer: Metrel

The Metrel Digital Transformer Analyser (MI 3280) is a Multi-function, portable battery (Li-ion) powered test instrument with excellent IP protection: IP65 (case closed), IP54 (case open), intended for diagnosing of: turn ratio, phase deviation and excitation current of single and three phase transformers and winding resistance of single and three phase transformers.

Measuring Functions

Available functions and features offered by the Digital Transformer Analyser:

  • Turn ratio measurement of single phase transformers;
  • Phase deviation between high voltage and low voltage winding;
  • Excitation current when measuring turn ratio;
  • Turn ratio measurement of three phase transformers:
  • Phase deviation between high voltage and low voltage winding;
  • Excitation current when measuring turn ratio;
  • Winding resistance measurement of single phase transformers;
  • Winding resistance measurement of three phase transformers (Power Transformers up to 1,6 MVA).
  • Features
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Key features:

  • A 3.4” color LCD display with touch screen offers easy-to-read results and all associated parameters.
  • The operation is straightforward and clear to enable the user to operate the instrument without the need for special training.
  • Test results can be stored on the instrument. PC software that is supplied as a part of standard set enables transfer of measured results to PC where they can be analysed or printed.
  • Built-in help screens for referencing on site.
  • Autotest sequences.
  • Built-in charger and rechargeable batteries as standard accessory.
  • BT communication with PC, Android tablets and smart phones via built-in BT.
  • PC SW Metrel ES Manager for creation of test structures and uploading, downloading of test results, autotest editor and report creation.
  • High degree of protection IP 65 (case closed), IP 54 (case open).