High-Efficiency Very Low Frequency (VLF) Tester – Cable Insulation Test System

The Very Low Frequency (VLF) Tester is an advanced diagnostic tool used to test the insulation of power cables, transformers, switchgear, and rotating machinery. Using a sinusoidal VLF output (0.1Hz to 0.01Hz), it delivers high accuracy and safety with automatic test cycles, over-voltage protection, and data storage. The compact design allows for easy portability in field applications. It meets testing standards such as IEEE 400.2 and IEC 60502-2, and is an essential device for utility companies, industrial facilities, and electrical maintenance teams. CE and ISO certifications ensure international compliance and product safety.

Key Features:

• Output voltage up to 60kV peak

• Frequency range: 0.1Hz to 0.01Hz

• Automatic test cycles and programmable sequences

• Built-in thermal and over-voltage protection

• Data storage and USB output

• Compact and portable for field use

• CE and ISO certified

• Complies with IEEE 400.2, IEC 60502-2

Product Table (English)

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