Inspection of electrical appliances and equipment

Multitest Ltd. performs inspection of electrical appliances and equipment:

• Electrical installations and equipment with voltage up to 1000V
  - impedance of the circuit "phase-protective conductor
  - resistance of protective earthing systems
  - resistance of lightning protection earthing systems
  - insulation resistance
  - protective circuit breakers, tangent of voltage, earthing resistance, switch-off time and actuation current
• Inspection of electrochemical corrosion protection (cathodic protection)
  - stationary potential, polarization potential, specific soil resistance
• Inspection of power transformers for voltage up to 60 kV
  - insulation resistance
  - dielectric strength of insulation with increased a.c. voltage
  - windings d.c. resistance
  - vector group
• Inspection of rotating electrical machines for voltages up to 60kV
  - insulation resistance
  - dielectric strength of insulation with increased a.c. voltage
  - windings d.c. resistance
  - insulation resistance of static excitation system 
• Cable lines up to 20 kV
  - insulation resistance
  - dielectric strength of insulation with increased d.c. voltage
• Surge arresters for voltages up to 20 kV
  - insulation resistance
  - dielectric strength of insulation with increased a.c. voltage
• Insulation resistance inspection