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Megger MJOLNER200 Micro-Ohmmeter
  • Megger MJOLNER200 Micro-Ohmmeter
  • Megger MJOLNER200 Micro-Ohmmeter
  • Megger MJOLNER200 Micro-Ohmmeter
  • Megger MJOLNER 200 Micro-Ohmmeter

Megger MJOLNER 200 Micro-Ohmmeter

Megger approved distributor and service centre.

Includes: Std. cable set 3 m, (current cables 2 x 3m, 35mm2 and sensing cables 2 x 3 m), Ground cable, Megger Mjolner user manual.

£6,583.50 Save 5%
Tax excluded
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The Megger Mjolner200 is designed to measure the resistance of circuit breaker contacts, bus-bar joints, contact elements in bus-bars and other high-current links. This product has been designed with safety, ease of use and versatility in mind. The Mjolner micro-ohmmeter can be used anywhere required to measure a low resistance value. Megger Mjolner200It conducts true DC ripple free current testing of bus bars, circuit breakers, fuses, etc.

With the Megger MJOLNER 200 it is possible to make measurements according to the DualGround™ method. This means that the test object will be grounded on both sides throughout the test giving a safer, faster and easier workflow.

The lightweight and rugged suitcase design makes Mjolner 200 an excellent choice when you need a portable solution in the field. When the case is closed, the product can withstand the impact of water, dust or sand - it even floats.

Optional accessories are a remote control and the PC software MJÖLNER Win that is compatible with IPS–CEBEX and have export functions for tables to Microsoft® Excel.


Specifically designed for measuring contact resistances in circuit breakers, disconnecting switches, bus-bar joints.
Safer testing using the patented DualGround™ technology to test circuit breakers with both sides grounded.
Fully automatic testing- microprocessor controlled.
Wide measuring range and test currents.
High-Power and lightweight.

The following table demonstrates how important low resistance is at high currents
Current Contact Resistance Power Loss
10 kA 1 mΩ 100 kW
10 kA 0.1 mΩ 10 kW
1 kA 1 mΩ 1 kW
1 kA 0.1 mΩ 100 kW

Megger Mjolner 200 Specifications
Application field For use in medium and high-voltage substations and industrial environments.
Operating temperature -20°C to +50°C (-4°F to +122°F).
Storage & transportation -40°C to +70°C (-40°F to +158°F).
Humidity 5% – 95% RH, non-condensing.
LVD IEC61010-1:2010.
EMC IEC61326 -1.
Range 0 – 999.9 mΩ.
Resolution 0.1 μΩ below 1.0 mΩ
1 μΩ below 10 mΩ
10 μΩ below 100 mΩ
100 μΩ below 1000 mΩ.
Outputs - DC+ / COM
Range 5 – 200 A DC (steps of 1 A).
Max. output voltage 5.25 V at 200 A.
Max. ripple 80 mVpp, 28.3 mVrms at 0 - 50°C (+32°F to +122°F).
Max. load capacity1 200 A Continuous.
1 At 25°C (77°F) ambient temperature.
General Specifications
Mains voltage 100 - 120 / 200 - 240 V AC, 50 / 60 Hz.
Input current (max) 13 A at 100 V, 6 A at 230 V (3 sec).
Protection Fuses (200 mAT and 400 mAT)
Thermal fuse, Software
Shut off temperature: 70ºC (158ºF)
internal temperature.
Display LCD and LED.
Printer Thermal printer.
Thermal paper roll Width 57.5 mm, diameter 32 mm.
Current cables 2 x 3 m (9.8 ft), 35 mm².
Sensing cables 2 x 3 m (9.8 ft), 2.5 mm².
Available languages English, Deutsch, Français, Español, Svenska.
Dimensions 410 x 330 x 175 mm (16.1” x 13” x 6.9”).
Weight 14.5 kg (32 lbs) incl. cables.
Megger Mjolner200 warranty One year.


Megger Mjolner200 Datasheet

PDF Specifications of the Megger Mjolner200 Micro-ohmmeter.

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Megger MJOLNER 200 Micro-Ohmmeter
MJÖLNER Win Windows® software. BD-8010X
Remote control With connection cable, 5 m (16 ft). BD-90010
Temp probe Temperature probe. BD-90012
Thermal paper Thermal paper roll (for printer). GC-00050
Extension cable set 5 m Current cables 2 x 5 m, 35 mm2 and sensing cables 2 x 10 m. GA-03209
Extension cable set 10 m Current cables 2 x 10 m, 35 mm2 and sensing cables 2 x 15 m. GA-03210
Calibration shunt 200 A / 20 mV shunt. BD-90022
DualGround kit DC Current clamp 200 A and test cables 2 x 5 m (16 ft). XA-12992
Transport case 514 x 499 x 280 mm (20” x 19.7” x 11”). GD-00265

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