Electrophysical measurements, testing

  • Cable communication lines with metal conductors
    • electrical capacity of the circuit
    • electrical resistance of cores (loop)
    • asymmetry of core resistance
    • electrical insulation resistance
    • crosstalk attenuation between circuits;
  • Grounding of station and line communication facilities
    • resistance of grounding devices
  • Optical cable communication lines
    • fiber attenuation
    • attenuation on connectors
    • optical length
  • Electrical installations up to 1 kV, incl. cable lines
    • insulation resistance
    • touch voltage
  • Grounding devices for electrical installations
    • resistance of grounding devices
    • soil resistivity
    • checking if there is a chain between:
      • ground electrodes and grounded elements
      • grounded installations and elements of grounded installations
    • checking the operation of protection in electrical installations up to 1 kV with a power system
    • with a solid neutral grounding by measuring the current of a single-phase circuit on
    • body or neutral wire
  • Grounding conductors designed for protection against lightning surges
    • resistance of grounding devices.