MI 3280 DT Analyser

Transformer testers

The MI 3280 Digital Transformer Analyser is a portable, battery (Li-ion) powered test instrument intended for diagnosing of turn ratio, phase deviation, excitation current and winding resistance of single and three phase transformers. It has an excellent IP protection: IP65 (case closed), IP54 (case open) allowing the use of the instrument in harsh environments. The operation is straightforward and clear to enable the user to operate the instrument without the need for special training. For advanced users the Auto Sequences and visual tests are available.

Standards applied

  • ASTM B 539
  • NMEA AB 4-2009
  • El Real Decreto 223/2008
  • IEEE C37.09-2007

Measuring functions

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

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).

Technical data

Dimensions (w x h x l): 360 X 160 X 330 mm. 
Weight (with batteries and accessories): 8.8 kg.

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Download type File name language Version Release date Notes File type File size View online Download
Datasheet MI 3280 DT Analyser en 1.0 26.09.2017 pdf 492.65 KB
Manual MI 3280 DT Analyser en 1.1.1 13.10.2016 20 752 598 pdf 4.34 MB Login
PC Software Metrel ES Manager Multi-Language 08.06.2018 Readme zip 192.12 MB Login


MI 3280 DT Analyser promotional video

A short promotional video for our MI 3280 DT Analyser, designed for easy and fast testing of transformers.