MI 3325 Machine and Switchboard Tester – MultiServicer XD

MI 3325 Machine and Switchboard Tester – MultiServicer XD

SKU: MI 3325


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The MI 3325 MultiServicerXD is a top-of-the-line multifunctional instrument covering diverse industrial applications, where ruggedness and reliability are a must. It is an ideal tester for use in testing of machines and switchboards during manufacture, installation and the periodic testing of these installations.

The new platform integrated in the MI 3325 MultiServicerXD features support for colour touch screen technology, advanced memory organizer including large SD card storage media and state of the art AUTOSEQUENCE®s.

Measuring functions

  • Continuity (2-wire & 4-wire), 0.2 A, 4 A, 10 A, 25 A + voltage drop @ 10 A;
  • HV AC, HV AC programmable 100 V – 5100 V;
  • Insulation resistance (Riso, Riso-S) 50 V, 100 V, 250 V, 500 V, 1000 V (DC);
  • Sub-leakage current, (Isub, Isub-S) 110 V (AC), 230 V (AC);
  • Z loop – fault loop impedance and prospective fault current (Ipsc, Ulpe, Uc(P));
  • Zs rcd – fault loop impedance and prospective fault current in system with RCD (Ipsc, pe, Uc(P));
  • Z line – line impedance and prospective short-circuit current (Ipsc, Uln);
  • Functional test (power P/S/Q, voltage, current, cos fi, frequency, ThdU, ThdI, PF);
  • Touch leakage current;
  • RCD testing (RCD Uc, RCD t, RCD I);
  • Differential leakage current;
  • PE leakage current;
  • Polarity;
  • Clamp current;
  • Voltage, Frequency, phase rotation;
  • Varistor test;
  • Voltage drop;
  • Discharging time.


  • Touch screen: high resolution colour touch screen, 4.3” TFT.
  • Double manipulation: keyboard and touch screen enable the user to control the instrument in any manner they like.
  • Pre-defined AUTOSEQUENCE®s: enable the user simple and quick execution of test sequence for the chosen device.
  • Support for RCD testing: A, AC, B, B+ and F RCDs.
  • Testing of welding equipment (only in combination with A 1422): MultiServicerXD support testing of welding equipment in accordance with IEC/EN 60974-4.
  • Functional inspections.
  • Visual inspections.
  • Custom inspections (visual and functional).
  • Built-in help screens for referencing on site.
  • Built-in fuse tables for automatic evaluation of the line / loop impedance result.
  • Monitoring of all 3 voltages in real-time.
  • Hi-pot: high voltage AC (5.1 kV @ 250 VA).
  • Continuity: 4 – wire continuity test with selectable test current (0.2 A, 4 A, 10 A, 25 A) enabling precise measurements.
  • Communication: RS-232, USB, Ethernet and Bluetooth communication ports enabling downloading, uploading and remote control over instrument.
  • Multi-system testing: the instrument can be used on TT, TN, IT and 115 V supply systems.
  • Automated RCD testing procedure (RCD AUTO).
  • Automated impedance testing procedure (Z AUTO).
  • Measurement filtering according to the selected area group.
  • Large memory: support for microSD memory cards, 8 GB card already integrated in the instrument, although that can be expanded to 32 GB.
  • PC SW Metrel ES Manager: enables creation of test structures, user-defined AUTOSEQUENCE®s, professional test reports and data transfer for archiving.