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Sonel MRU-20

MRU-20 meter is the basic earthing measurement instruments allowing for the performance of measurements inaccordance with the EN 62305 standard.

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Further product information.

It allows to take:
- earth resistance measurement using auxiliary probes with 3-pole method,
- resistance measurement using 2-pole method,
- measurement of continuity of equipotential bondings and protective conductors (meeting the requirements of IEC 61557-4) with auto-zero function - with current 200mA.

- indication of battery state.
- AUTO-OFF function after 5 minutes

  • Measurement of earthing resistance: range 0,50 Ω...1,99 kΩ for U =50V; 0,68 Ω...1,99 kΩ for Un=25 V;
  • Measurement of resistance of auxiliary electrodes: range 0..50 kΩ
  • Measurement of interference voltage Un: range 0-100 V
  • Measurement of continuity of equipotential bondings and protective conductors: range 0 - 199 Ω

- in acc.with IEC 61010-1and IEC 61557

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MRU-20
Sonel

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