Monhorus International | Sonel
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SONEL  SA has existed since June 1994. The company’s founders were electrical engineers – people  who had good knowledge of the market needs for specialized test equipment.
In 1998 there was a change of name and legal status and as a result SONEL S.A. was established. The company debuted on the Warsaw Stock Exchange in June 2008.SONEL S.A. is a Polish manufacturer of high-quality measuring instruments for power generation and  telecommunications sectors.

The meters are used to measure:

  • fault loop resistance and impedance
  • insulation resistance
  • earth resistance and soil resistivity
  • residual current protections
  • current, voltage

We also offer:

  • multifunctional meters which combine the above-mentioned features
  • thermal imagers
  • low resistance meters
  • phase sequence testers
  • wire tracers
  • power quality analysers
  • clamp meters
  • multimeters
  • pyrometers
  • illuminance meters.