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METREL MI3290 Earth Analyser

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The Earth tester for all applications - earth stakes and networks, soil resistance, lightning straps and bonds with HF, tower pylons, step potential and more. The MI 3290 Earth Analyzer is a portable, battery or mains powered test instru¬ment with excellent IP protection (IP 54 open case), intended for measure¬ment of earth resistance, specific earth resistance and earth potential of various energized and non-energized objects.

Specifications

metrel-mi_3290-earth_analyser.pdf
  • Performs all types of earth measurements with a single
    instrument.
  • Analysis of earth impedance as a function of the frequency due to a
    wide measurement frequency band (DC, 40 Hz - 5 kHz).
  • Earth measurements on pylons with protective earth cable connected.
  • Measurement on mono towers and 4-leg tower.
  • A wide variety of measuring clamps: from iron clamps to flex clamps with 10 m length.
  • HF-Earth resistance measurement (acc. to IEEE Std 81).
  • Sweep mode Z(f) on screen.
  • 3.4’’ colour LCD display with touch screen.
  • Floating Mains (universal 90 ... 260 V AC) or battery powered.
  • High degree of protection: IP 65 case closed, IP 54 case open
  • Checkbox (10 Ω test resistor) and other self-check methods.
  • DC resistance measurements (2 or 4 wire).
  • Impulse impendence measurement for simulating the lightning strike.
  • Support for single and complex measurements.
  • Earth Resistance 2,3,4 -wire;
  • Selective Earth Resist. (1 x clamp);
  • Earth Resistance (2 x iron clamps);
  • Specific Earth Resist. (Wenner and Schlumberger method);
  • Earth Potential;
  • HF-Earth Resistance (25 kHz, acc. to IEEE_Std 81);
  • Earth Resistance of mono pylons with 10 m flex clamp;
  • Earth Resistance of multileg pylons with up to four 5 m flex clamps;
  • Current measurement (Iron, flex clamps);
  • Low Ohm measurement 200 mA (EN 51667-4);
  • Impulse Earth measurement 10/350 μs;
  • PC SW for measurement pre and post processing;
  • Table view and graphical view, storing and printing.
  • Power transformers;
  • Transformer substations;
  • Industrial areas;
  • Mono and multi-leg pylons with protective earth cable connected.

Instrument MI 3290
• Current earth spike 90 cm, 2 pcs
• Potential earth spike 50 cm, 2 pcs
• Connection lead black 2m
• Test lead red 5 m
• Test lead blue 5 m
• Test lead black on reel 50 m
• Test lead green on reel 50 m
• Test lead blue on reel 50 m
• Shielded test lead 75 m on reel
• G clamp
• Set of test probes, crocodile clip and 2m
test lead, 4 pcs



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