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  • VLF High VoltageTester
  • VLF High VoltageTester
VLF High VoltageTesterVLF High VoltageTester

VLF High VoltageTester

  • Product description: VLF-30 gives 30KV peak output


AC Testing of cables and electrical apparatus

is now easier than ever if using our VLF High Voltage Tester !

VLF testers are suitable for testing cables, transformers, switchgear,rotating machinery, and other electrical apparatus.

VLF Advantage:

  • AC/DC dual purposes
  • Touch colour wide LCD
  • 60 mins continuous working
  • Easiest to use Fully automatic microcontroller
  • Built-in printer
  • True sine wave output
  • Real-time display of actual output waveform
  • Ergonomic, menu guided, large backlit LCD
  • Storage of test results for later retrieval and print.
  • Over voltage and current protected
  • Variable frequency 0.1Hz, 0.05Hz, 0.02 Hz, 0.01Hz
  • Data of current, voltage and waveform directly sampled at HV side.
  • AC testing does not degrade good cable insulation
  • Harmful space charges are not injected into the cable insulation
  • No traveling waves are generated during testing
  • Rugged and reliable design less prone to failure from transients

Technical parameters

1.Power: 220V ± 10% AC, 50/60 Hz, single phase;  or 110V ± 10% AC, 50/60 Hz, single phase.

2. AC Output-Voltage (Peak):30KV, 40KV, 50KV, 60KV, 70KV, 80KV, 90KV, 100KV (DC can be designed).

3.Output frequency:  0.1Hz,0.05Hz,0.02Hz, 0.01 Hz (auto)

4. Stability of frequency: Fluctuation < 0.5%

5. Measurement accuracy: ±3%.

6. Positive and negative voltage peak error: ≤3%.

7. Voltage waveform distortion: ≤5%

8. Construction: In two units: Control unit and Booster.

9. Ambient conditions of use: temperature Indoor and outdoor : -10ºC + 50ºC.

10. Humidity:≤85%

Function comparison of VLF series models


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