S-57 VLF

• Extremely compact high-power VLF test device
• Easily portable for 1-2 people
• Simple operation: menu-assisted control with industrial class OLED display
• Fully automatic test sequence
• Integrated timer 1-300 min with automatic tripping
• Integrated breakdown detection
• Integrated fault time detection
• Voltage measurement direct at HV output
• Protective ground connection
• High voltage start key interlock
• Protective circuit / indication in accord. with EN 50191
• Leakage current measurement during VLF test

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