Megger MOM600A Micro-ohmmeter


Megger approved distributor and service centre.

The Megger MOM600A is in a class apart on world markets. Designed for use from the arctic to the tropics, this rugged, compact micro-ohmmeter is ideal for field work.

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£ 5,453.00 rrp £ 5,740.00

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(£ 6,543.60 inc VAT.)

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Micro-ohmmeters are used to measure contact resistances in high-voltage breakers, disconnecting switches (isolators), knife-contact fuses, bus joints, line joints etc. The Megger MOM600A can provide an output current of up to 600 A, and it can be set to six different measuring ranges. Full-wave rectified current is used for measuring.

The instrument is equipped with a device that guards against induction. A relay short-circuits the sensing input when the instrument’s ON/OFF switch is off and also when the instrument is in the mΩ mode. To protect against external overvoltages, both the current output and the sensing input are decoupled to ground.

The MOM600A includes a set of highly flexible cables (including separate measurement cables) and a sturdy transport case.


Easy to operate.
Designed for rugged field use.
Highly flexible cable connections.

Megger MOM600A Specifications:

  • Mains voltage: 230 V AC, 50 / 60 Hz.
  • Power consumption: 230V, 7360 VA.
  • Protection: Miniature circuit breakers, thermal cut-outs.
  • Resistance range: 0 – 1999 μΩ.
  • Resolution: 1 μΩ.
  • Output current: 0 - 600 A DC.
  • Dimensions (Instrument only): 356 x 203 x 241 mm (14” x 8” x 9,5”).
  • Weight: 24.7 kg (54.5 lbs), 42.8 kg (94.4 lbs) with accessories and transport case.
  • Megger MOM600A warranty: 1 year.


Includes: Cable set GA-05053, Ground cable GA-00200, Transport case GD-00010 and MOM 600A user manual.

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Megger MOM600A Micro-ohmmeter