High Voltage VLF 34E Hipot

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The High Voltage, Inc. VLF 34E is the latest generation of VLF AC hipots using an air-cooled, solid state design with microprocessor control. The VLF 34E is the choice for 5 to 15kV acceptance and 5 to 25kV maintenance testing per IEEE 400.2-2013.

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Product Overview: High Voltage VLF 34E Hipot

The High Voltage VLF 34E is a top performer from the latest generation of HVI VLF AC hipots using a dry-type, air-cooled, solid state design with microprocessor control. Test programming, data retrieval, and custom PC software are intuitive and easy to learn. This unit is portable, affordable, and designed to withstand years of field use.

Its 0 – 34 kV AC peak/0 – 24 kV RMS output voltage meets world standards for maintenance testing up to 25 kV class cable, and its sine wave output pairs easily with the optional tan delta and partial discharge measurement systems.


High Voltage VLF 34E Features:

  • VLF and DC output
  • Programmable test sequences
  • Automatic & manual control
  • USB port for exporting data
  • Wireless computer interface for remote control operation and data upload
  • Onscreen tan delta data display with optional TD-34E
  • XBee wireless for better signal sustainability and broader range than Bluetooth


High Voltage VLF 34E Specifications:

The VLF-34E meets the following specifications: IEEE 400.2, IEEE 400, IEC 60060-3, CENELEC HD 620/621, VDE DIN 0276-620/621. IEEE 433 for motors/gens.

Input: 115 V AC – 230 V AC, 50 Hz/60 Hz, 5 A max
Output: 0-34 kV AC peak/0-24 kV AC RMS, sinusoidal DC: +/- 34 kV square wave: 34 kV sheath tester
Duty: Continuous
Frequency: 0.1 Hz to 0.01 Hz
Load Rating: 0.5 µF @ 0.1 Hz @ 34 kV

1.0 µF @ 0.05 Hz @ 34 kV

5.0 µF @ 0.01 Hz @ 34 kV

µF rating increases at lower voltages

Ex: 0.77 µF @ 0.1 Hz @ 22 kV peak

Metering: Voltage kV peak or RMS
Current: mA peak or RMS
Calculated: Capacitance, resistance, flash overvoltage, time to failure
Size & Weight:
(W x D x H)
19.7 x 12 x 18 in., 45 lbs.

500 x 305 x 458 mm, 21 kg

Case: Hard Pelican-type case with extendable handle and wheels
Output Termination: 20’ RG8/U, Ground 20’ #2

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