MI 3125 EurotestCOMBO

The MI 3125 is a multifunctional installation safety tester which is distinguished by lightweight design and usability. Integrated characteristics of fuses and RCDs, help screens, red and green LEDs for PASS / FAIL evaluation of test results online voltage monitor make the MI 3125 ideally suited for fast and easy testing of electrical installations.

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SKU: mi3125bt Category:



  • TRMS voltage and frequency
  • Continuity
  • Insulation resistance
  • RCD testing (type AC and A)
  • Fault loop / RCD Trip Lock impedance
  • Line impedance
  • Phase sequence


  • LED Pass/Fail indicators: two LED indicators for PASS / FAIL evaluation of test results are placed on both sides of the LCD.
  • Help screens: instrument comes complete with built-in help screens for referencing on site.
  • Built-in fuse tables: this unique feature allows automatic evaluation of the line / loop impedance compared to the regulations.
  • Online voltage monitoring: monitors all 3 voltages in realtime.
  • Upgradeable: if changes occur to the regulations, upgrades can be made to the firmware to keep the unit up to date.
  • Polarity swap: automatic polarity re-versal on continuity test.
  • Insulation range: wide range of insulation test voltages from 50 V to 1000 V, reading up to 1000 MΩ.
  • Trip Lock function: Zs (RCD) function performs a loop impedance test without tripping the RCD.
  • Multisystem testing: tests on single and multiphase TT and TN systems.
  • Built-in charger & rechargeable batteries: unit has a built-in charging circuit and comes complete with a set of rechargeable NiMH batteries.
  • RCD auto: automated RCD testing procedure significantly reduces test time.


Dimensions: 140 x 80 x 230 mm

Mass: 1.0 kg

Additional information

Dimensions 1 cm