High Voltage VLF-65E Meets World Standards For Acceptance Testing

HighVoltage_VLF-65EVLF stands for Very Low Frequency. A VLF hipot is an AC output high voltage instrument. High Voltage VLF products provide sinusoidal AC voltage but at 0.1 Hz – 0.01 Hz, compared to the 50/60 Hz output of conventional AC test sets. It is still an AC voltage with sinusoidal polarity reversals every half cycle. The VLF instrument is used to provide a simple go/ no-go, or pass/fail, withstand test. 

Portable and built for the rigors of field use, the High Voltage VLF-65E 65 kV VLF Tester‘s 0 – 65 kVac output voltage meets world standards for Acceptance testing up to 35 kV class cable and its sine wave output is suitable for using optional Tan Delta and Partial Discharge measurement systems.

HVI VLF-65E 65 kV VLF Tester Specifications:

Input:

100 Vac – 265 Vac, 50 Hz/60 Hz, 20A max

Output:

VLF Sinewave: 0 – 65 kVac peak/46 kVac rms @ 26 mA
VLF Square wave: 0 – 65 kVac peak @ 45 mA
DC: 0 – ± 65 kV @ 45 mA
Sheath Test – User Programmable

Duty:

Continuous

Frequency:

0.1 Hz to 0.01 Hz in steps of 0.01 Hz

Load Rating:

1.0 μF @ 0.10 Hz @ 65 kV
2.0 μF @ 0.05 Hz @ 65 kV
5.0 μF @ 0.02 Hz @ 65 kV
10.0 μF @ 0.01 Hz @ 65 kV
μF rating increases at lower voltages
Ex: 1.4 μF @ 0.1 Hz @ 47 kV peak

Metering:

Voltage kV peak or rms, +/-1% accuracy
Current mA peak or rms, +/-1% accuracy

Calculated:

Capacitance, Resistance, Tan Delta,
Flashover voltage, Time to Failure

Fault Response:

Smart Fault Management – Fault “Burning”
or Shutdown on Fault

Reports/Data:

Up to 50 test records can be stored in non-volatile
memory or removable USB memory stick

PC Interface:

USB and XBee wireless

PC Software:

Remote Control & Test Data Reporting

Size/Weight:

22” w x 141/2” d x 26” h, 150 lbs
559 mm x 369 mm x 660 mm, 68 kg

Output Leads:

HV: 20’/6m flexible x-ray, Ground #2 – 20’/6m
# 10 test leads, ground hook, line cord, etc.

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