HVA 28

The smallest VLF test system of its kind

The HVA28 is a truly compact and portable VLF test set system for testing medium voltage cables. It performs VLF and DC testing, sheath testing and sheath fault location modes. The system can be retrofitted with internal Tan Delta Diagnostics upgrade (as HVA28TD).


  • Output voltage 29 kVpeak, 21 kVrms
  • Pure sinusoidal output voltage (load-independent)
  • Output current 20 mA max.
  • 0.5 µF @ 0.1 Hz @ 20 kV rms
  • Highest test capacity of 10µF
  • Ultra light and compact weight (14 kg)
  • Protection class IP67 with closed lid
  • Total protection: almost unbreakable, watertight, dustproof and corrosion proof case
  • Large Colour display (4,3”)
  • USB and Bluetooth connections

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