MI 3325 MultiServicerXD Featured

Machine and switchboard testers

The MI 3325 MultiServicerXD is a top-of-the-line multifunctional instrument covering diverse industrial applications, where ruggedness and reliability are a must. In Metrel range of the instruments it is introduced as a successor of MI 3321 MultiServicerXA. 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.


Standards applied

Building LV Installation

  • EISinsp Competences: Low Voltage Electrical Installation Safety Inspection
  • EISc Competences: Low Voltage Electrical Installation Safety for Contractors and Maintainers
  • IEC/EN 60364 Electrical Installations for Buildings series
  • IEC/EN 60364-4-41 Electrical Installations for Buildings - Protection against electric shock
  • IEC/EN 61008-1 Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs)
  • IEC/EN 61009 Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBOs)
  • AS / NZ 3017 Electrical installations – Verification guidelines
  • BS 7671 IEE Wiring Regulations (18th edition)

Electrical switchboards safety

  • ESB Competences: Electrical Switchboards Safety Testing
  • IEC/EN 61439-1 Low-voltage switchgear and controlgear assemblies - Part 1: General rules
  • IEC/EN 62271 High-voltage switchgear and controlgear - series
  • IEC/EN 62271-1 High-voltage switchgear and controlgear - Part 1: Common specifications for alternating current switchgear and controlgear
  • IEC/EN 62271-100 High-voltage switchgear and controlgear - Part 100: Alternating current circuit-breakers

Machine safety

  • MST Competences: Machines Electrical Safety Testing
  • IEC/EN 50191 Erection and operation of electrical test equipment
  • IEC/EN 60204-1 Safety of machinery - Electrical equipment of machines - Part 1: General requirements
  • IEC/EN 62368-1 Audio/video, information and communication technology equipment - Part 1:Safety requirements
  • IEC/EN 60950 Information technology equipment – Safety
  • IEC/EN 61180 High-voltage test techniques for low-voltage equipment - Definitions, test and procedure requirements, test equipment
  • IEC/EN 61557-14 Electrical safety in low voltage distribution systems up to 1 000 V a.c and 1 500 V d.c - Equipment for testing,measuring or monitoring of protective measures - Part 14: Equipment for testing the safety of electrical equipment for machinery

Portable appliances safety

  • PAT Competences: Portable Appliances Safety Testing
  • AWE Competences: Arc Welding Equipment Safety Testing
  • EN 50699 Recurrent Test of Electrical Equipment
  • EN 50678 General procedure for verifying the effectiveness of the protective measures of electrical equipment after repair
  • IEC/EN 60335-1 Household and similar electrical appliances - Safety
  • IEC/EN 60598-1 Luminaires - Part 1: General requirements and tests
  • AS / NZ 3760 In-service safety inspection and testing of electrical equipment
  • VDE 0701 Inspection after repair, modification of electrical appliances - periodic
  • VDE 0702 Inspection on electrical appliances - general requirements for electrical safety
  • IEC/EN 60974-4 Arc welding equipment - Part 4: Periodic inspection and testing
  • IET COP 5th Ed., In-service Inspection and Testing of Electrical Equipment

Instrument safety towards user

  • IEC/EN 61010 Safety requirements for electrical equipment for measurement, control, and laboratory use - series
  • IEC/EN 61010-031 Amendment 1 - Safety requirements for electrical equipment for measurement, control and laboratory use - Part 031: Safety requirements for hand-held and hand-manipulated probe assemblies for electrical test and measurement
  • IEC/EN 61010-2-030 Safety requirements for electrical equipment for measurement, control, and laboratory use - Part 2-030: Particular requirements for equipment having testing or measuring circuits

EMC safety

  • IEC/EN 61326-1 Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 1: General requirements
  • IEC/EN 61326-2 Electrical equipment for measurement, control and laboratory use - EMC requirements - Part 2-2: Particular requirements - Test configurations, operational conditions and performance criteria for portable testing, measuring and monitoring equipment used in low-voltage distribution systems


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.

Key features

  • 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.

Technical data

  • Dimensions (w x h x l): 420 x 325 x 180 mm / 420 x 325 x 250 mm (with accessories)
  • Mass: 13.3 kg / 15.1 kg (with accessories)



Type File Language Version Release Notes Type Size View Download
Datasheet MI 3325 MultiServicerXD en 2021 30.08.2021 Single leaflets pdf 2.68 MB
Datasheet MI 3325 MultiServicerXD en 2021 30.08.2021 Technical info pdf 9.7 MB
Datasheet Ion SDK and Black-Box protocol en 2020 07.10.2020 Brochure pdf 835.94 KB Login
Manual MI 3325 MultiServicerXD en 1.5.8 29.06.2022 20752877 pdf 7.74 MB Login
Guide MI 3325 MultiServicerXD en 1.2.3 13.07.2022 20 753 150 pdf 10.64 MB Login
PC Software SW 1201 Metrel Electrical Safety Manager (MESM) Multi-Language 22.09.2022 Readme zip 347.26 MB Login
Android SW 1304 aMESM Android en 04.01.2021 QR code External link Unknown
Auto Sequences Metrel AUTO SEQUENCEs en 2021 11.03.2021 MI 3325 MACHINE zip 5.98 KB Login