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MI 3125 Eurotest COMBO

The MI 3125 EurotestCOMBO is a pioneering instrument by Metrel. The instrument’s upright design with built-in stand tilts the large, backlit LCD display directly towards the test engineer when stood on a surface. When no surface is available, the instrument can be held in the hand or attached to any metal surface due to its magnetic back.

Measuring functions

  • Automatic loop evaluation: built-in loop impedance tables allow automatic evaluation of loop impedance compared to the regulations.
  • Help screens: unit comes complete with in-built help screens for referencing on site.
  • Online Voltage Monitoring: Monitors all 3 voltages in real-time.
  • Upgradeable: If changes occur to the regulations, changes can be made to the unit to keep the unit up to date.
  • Polarity swap: automatic polarity reversal on continuity test.
  • Insulation: wide range of insulation test voltages from 50 V to 1000 V, reading up to 999 MΩ.
  • TripLock function: Zs (RCD) function performs a loop test without tripping the RCD/RCBO.
  • Built-in charger & rechargeable batteries: Unit has an in-built charging circuit and comes complete with a set of rechargeable NiMH batteries.
  • RCD Auto:  Automated RCD testing reduces circuit test time.
  • Phase sequence test: required by BS7671:2008 17th Edition.

Technical data

Dimensions (w x h x l): 230 x 140 x 80 mm

Mass (without accessories): 1.0 kg

MI 3125 Standard set MI 3125

  • MI 3125 EurotestCOMBO
  • A 1003 Mains plug
  • A 1296 Test lead 3 x 1.5 m (brown, green, blue)
  • A 1147 Rechargeable NiMH AA batteries (6 pcs)
  • 83005447 12 V battery charging adapter
  • 83005401 UK mains cable for charging adapter
  • A 1015 Test probe (blue)
  • A 1298 Test probe (brown)
  • A 1062 Test probe (green)
  • A 1310 Crocodile clip (blue)
  • A 1297 Crocodile clip (brown)
  • A1062 Crocodile clip (green)       
  • A 1303 Hand strap
  • Short instruction manual
  • Instruction manual on CD   
  • Calibration certificate