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Megger MJOLNER 600 Micro-Ohmmeter
Includes: Std. cable set 3 m, (current cables 2 x 3 m, 35 mm2 and sensing cables 2 x 3 m), Ground cable and Mjolner600 user manual.
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The micro-ohmmeter conducts true DC ripple free current and can be used anywhere to measure a low resistance value with high accuracy. With the Mjolner 600 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.
Choose the Mjolner 600 with excessive power resources for demanding applications, superior measurement accuracy and when 300 Amp continuous is required. The lightweight and rugged suitcase design makes MJÖLNER 600 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 Mjolner Win with export functions for tables to Microsoft® Excel.
|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|
Specifically designed for measuring contact resistances in circuit breakers, disconnecting switches, bus-bar joints, and other such devices.
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 powered and light.
|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.
|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 – 600 A DC (steps of 1 A).|
|Max. output voltage||5.25 V at 600 A.|
|Max. ripple||80 mVpp, 28.3 mVrms at 0 - 50°C (+32°F to +122°F).|
|Max. load capacity1||300 A Continuous.|
|1 At 25°C (77°F) ambient temperature.|
|Mains voltage||100 - 120 / 200 - 240 V AC, 50 / 60 Hz.|
|Input current (max)||39 A at 100 V, 18 A at 230 V (3 sec).|
|Protection Fuses||(200 mAT and 400 mAT)
Thermal fuse, Software
Shut off temperature: 70ºC (158ºF)
|Display||LCD and LED.|
|Thermal paper roll||Width 57.5 mm, diameter 30 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, Espagñol, Svenska.|
|Dimensions||486 x 392 x 192 mm (19” x15” x 7.5”).|
|Weight||13.8 kg (30.4 lbs).|
|Megger Mjolner600 warranty||One year.|
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|COMPONENT PARTS||DESCRIPTION||PART No.|
|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|