Technical Specifications

Key Performance Features

• Ultra-Low PD Level: <5pC discharge ensures accurate high-voltage measurements

• Thermal Stability: Non-inductive wirewound design limits temperature rise to 80K

• Robust Construction: Silicone-coated ceramic core with corona-resistant terminals

• Impulse Withstand: 200kV lightning impulse (1.2/50μs wave)

Application Scenarios

High-Voltage Testing Systems

Essential component in:

• Impulse voltage generators (IEC 60060-1)

• Partial discharge detection circuits

• Transformer withstand testing setups

• HV cable fault location systems

Installation & Safety

• Mount vertically with minimum 500mm clearance to grounded surfaces

• Use only with CAT IV rated test leads

• Ambient temperature range: -25°C to +40°C

• Relative humidity: <85% non-condensing

Complies with IEC 61010 safety requirements for high-voltage test equipment.

Maintenance Protocol

1. Perform IR test (2.5kV DC) before each use: Minimum 100GΩ

2. Clean monthly with isopropyl alcohol using non-conductive tools

3. Annual calibration verification per IEC 60060-2