As a part of certification process and quality assurance, as well as a separate service we can provide monitoring and assessment based on the Bulgarian state standards and according to EN ISO/ IEC 17020:2012.


For electrical facilities and equipment up to 1000 volts:

  • Resistance of Earthing systems;
  • Resistance of lightning protection systems;
  • Impedance Zs of the loop "phase - protective conductor";

For optical cable lines and connectors in an optical cable section:

  • Total attenuation;
  • Imported attenuation by welds and connectors on an optical cable line;
  • Reflection of optical connectors;