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Megger MOM 690
  • Megger MOM 690

Megger MOM 690

Megger approved distributor and service centre.

Includes: MOM 690 test instrument, Cable set standard GA-05055, Ground cable GA-00200, Transport case GD-00182.

£6,768.75 Save 5%
Tax excluded
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The Megger MOM690 features high current capacity, microprocessor-based measurement, storage and reporting. The built-in software enables you to carry out an individual test or an entire series of tests and store the results.

When contact resistance rises because of oxidation, loosened or improperly tightened threaded joints, temperatures rise abnormally at the points of contact. This abnormal heating reduces conductivity thereby accelerating the rise in temperature - and this often leads to serious trouble.

The Megger MOM690 can be used to detect such problems early so that they can be remedied long before trouble starts. Checking contact resistance at regular intervals provides a clear indication of the state of your system. During measurement, the instrument generates a high current. This current must not cause excessive heating inside the instrument. To prevent this, both a thermal fuse and a miniature circuit breaker that serves as a line fuse are provided.

With the optional MOMWin software you can also export the test results to a PC for further analysis and reporting.


Automatic range settings.
0 - 800A DC current range.
MOM Win PC software.
RS 232 Serial interface.

Megger MOM690 Specifications
Application Field Intended for use in HV substations and industrial environments.
Temperature Operating: 0 to 50°C (32 to 122°F)
Storage/Transport: -40 to +70°C (-40 to 158°F).
Humidity 5 to 95% RH, non-condensing.
Range 0 to 800 A.
Resolution 1 A.
Inaccuracy 100 – 800 A, ±1% of reading + 1 digit
50 – 99 A, ±(2% of reading + 2 digits)
0 – 49 A, not specified.
Range 0 to 200 mΩ, >200 mΩ not specified.
Resolution 1 μΩ.
Inaccuracy 100 – 800 A, ±1% of reading + 1 digit
50 – 99 A, ±(2% of reading + 2 digits)
0 – 49 A, not specified.
EMC 2004/108/EC.
LVD 2006/95/EC.
General Specifications
Mains Voltage 230 V AC, 50/60 Hz.
Power Consumption (Max) 9660 VA.
Protection Miniature circuit breaker, thermal fuse, software.
Available Languages English, French, German, Spanish and Swedish.
Current Cables 2 x 5 m (16 ft), 50 mm².
Sensing Cables 2 x 5 m (16 ft), 2.5 mm².
Optional Current Cable Sets Ext 1: Extension 2 x 5 m, 50 mm²
Ext. 2: Extension 2 x 10 m, 50 mm²
2 x 15 m: 95 mm².
Dimensions Instrument: 350 x 270 x 220 mm
Transport Case: 610 x 290 x 360 mm.
Weight 23.7 kg (38.6 kg with accessories and transport case).
Megger MOM690 warranty 1 year.


Megger MOM690 Datasheet

PDF Specifications of the Megger MOM 690 Micro-ohmmeter.

Download (1.21M)

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Megger MOM 690
5m cable set Cable set 5m, 2x5m 50mm², 2x5m 2.5mm². GA-05055
Extension cable set No. 1 2 x 5 m (16 ft), 50 mm² (current cables) 2 x 10 m (33 ft), 2.5 mm² (sensing cables). GA-05057
Extension cable set No. 2 2 x 10 m (33 ft), 50 mm² (current cables). 2 x 15 m (49 ft), 2.5 mm² (sensing cables). GA-05107
Calibration shunt 600 A / 60 mV. BB-90024
Transport case XL With space for the standard 5 m cable set + extension cable set No. 1 or No. 2. GD-00042
MOMWin software Incl. serial cable for RS-232 port. BB-8010X

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