top of page

VLF80/90kV

Download Product Specs

The VLF 80kV / 90kV Very Low Frequency Cable Tester is designed for high-voltage insulation testing of transmission and high-voltage cable systems.

The system provides powerful VLF testing capability while remaining portable for field testing of high-voltage networks, utilities, and industrial installations.

Options

Key Features

• High-voltage 80kV / 90kV VLF testing capability
• Portable test system for field use
• Adjustable output frequency
• Closed-loop voltage control
• Built-in over-voltage and over-current protection
• Optional Tan Delta diagnostic testing
• Clear LCD display and simple user interface

Applications

• High-voltage cable insulation testing
• Utility power transmission maintenance
• High-voltage motor testing
• Preventive maintenance testing

Technical Specifications

Rated Voltage

80kV / 90kV (peak)

Frequency Range

Automatic frequency change
0.1Hz – 0.01Hz

Load Capacity

≤10µF (below 50kV)
≤4µF (above 50kV)

System Weight

Controller: 4 kg

Primary Booster (40kV): 25 kg

Two-stage booster (40/50kV): 45 kg

Application Range

Used for testing cables and motors above 35kV systems

Power Supply

AC 220V ±5% / 50Hz

bottom of page