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MI 3280 DT Analyser Featured

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.

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MI 3280 Standard set

Instrument MI 3280
4 wire test lead with banana, 4 pcs
Large Kelvin test crocodile, 8 pcs
USB cable
Mains cable
Soft carrying bag
Calibration certificate
Instruction manual
Metrel ES Manager BASIC Licence*
SW 1201 Metrel ES Manager (program installation)*

*Metrel ES Manager and all documentation can be downloaded free of charge from Metrel Web server or Metrel Documentation center.

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Standards applied

Electrical Energetics

EEA Competences: Electrical Energetic Installations with Automatic Trip-Out Ability
IEEE C57.12.90 Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers
ASTM B 539 Standard Test Methods for measuring Resistance of Electrical connections (Static Contacts)
NMEA AB 4-2009 Guidelines for Inspection and Preventive Maintenance of Molded-Case Circuit Breakers Used in Commercial and Industrial Applications
El Real Decreto 223/2008 Regulation on technical conditions and safety guarantees in high voltage power lines and their complementary technical instructions ITC-LAT 01 to 09

Instrument safety towards user

IEC/EN 61010 Safety requirements for electrical equipment for measurement, control, and laboratory use - series
IEC/EN 61010-2-033 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-033: Particular requirements for hand-held multimeters and other meters for domestic and professional use, capable of measuring mains voltage

Properties

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

High resolution colour touch screen, 4.3” TFT.
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).