Technical Specifications

Dual-Function Capabilities

Precision Voltage Measurement

• 2000:1 nominal dividing ratio

• ≤±1.5% measurement accuracy

• Dedicated HV output to voltmeter

Partial Discharge Detection

• Specialized PD tester connection

• ≤2pC sensitivity at 400kV

• Simultaneous measurement capability

Premium Performance Features

Ultra-Low Partial Discharge

• ≤5pC at 500kV (100% rated voltage)

• ≤2pC at 400kV (80% rated voltage)

• Detects microscopic insulation defects

Exceptional Thermal Stability

• <5 ppm/°C temperature coefficient

• ONAN cooling maintains precision

• Consistent performance in varying environments

Dual-Output Design

• Independent HV measurement output

• Dedicated PD detection connection

• Simultaneous operation capability

Advanced Engineering Design

Optimized Form Factor

• Ø250mm × 4500mm compact profile

• Base footprint: 1800mm

• Weight: <500kg for easier handling

Specialized Connection System

• Dual isolated output connectors

• HV measurement to voltmeter

• Direct PD tester connection

Thermal Management

• ONAN cooling efficiency

• Maintains <0.5% dielectric loss

• 60-minute continuous operation

Performance Validation

Testing conducted per IEC 60270 and IEEE 4 standards

Critical Applications

Transformer PD Diagnostics

Simultaneous voltage measurement and partial discharge detection

Cable Insulation Testing

Identify microscopic flaws with ≤2pC sensitivity

High-Voltage Research

Precision measurement for dielectric studies

Quality Assurance

Critical component validation in manufacturing

Compliance & Certifications

• IEC 60060-1: High-voltage test techniques

• IEEE 4: Standard for HV testing

• IEC 60270: Partial discharge measurements

• IEC 61869-11: Coupling capacitors

• CE, RoHS, and UKCA certified

Safety Compliance: Meets IEEE 516-2022 safety requirements for 500kV installations