VLF Tester

  • b2 electronics HVA45TD is an ultra-compact and lightweight VLF Test set with integrated Tan Delta (TD) Diagnostics, in a rugged trolley for easy transport.
  • HVA45TD offers outstanding features in terms of size, weight, safety and ease of use.
  • It performs VLF and DC testing, sheath testing, sheath fault location mode and leakage current correction. Assessments of cable condition can be carried out by the use of Tan Delta Diagnostics.


  • Pure sinusoidal output voltage (load-independent)
  • Output current 60 mA max.
  • Cable Testing According IEEE400
  • Internal Tan Delta measurement with high accuracy (1×10-4)
  • Tan Delta measurement with various frequencies (0.01. -0.1 Hz)
  • Highest test capacity of 10 μF
  • Large Colour display (4.3″)
  • Programmable test sequences
  • Integrated 12 kV transient protection (50 Hz)
  • Dual Discharge Device (DDD®) two integrated and automatic discharge devices
  • Easily exchangeable HV cable
  • Intuitive menu operation
  • Sheath Fault Locating (in combination with Earth Fault Location)
  • Vacuum Bottle Test
  • Insulation Testing


Sinusoidal VLF output voltage up to 48 kV (34 kV rms)
DC (±) voltages up to 45 kV

Internal Tan Delta & extendable Partial Discharge Diagnostics

Testing and Diagnostics in compliance with IEEE400

39 kg  – 500 x 305 x 457 mm

No limited operating time.
Run the system for many hours.

Watertight, crushproof and dust proof case

12 kV feedback protection and 2 integrated discharge units

No oil inside, less maintenance and temperature hassle

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