Ultra-Precise High Voltage Measurement Solution

The LQHVF 140kV/3000pF capacitive voltage divider sets new standards in high-voltage measurement accuracy. Engineered for critical power transmission and industrial testing applications, this device delivers exceptional performance with its 1000:1 nominal ratio and industry-leading dielectric loss of <0.2%. With ONAN cooling and ≤2pC partial discharge, it ensures reliable operation in demanding environments.

Technical Specifications

Advanced Engineering Features

Precision Measurement

±1% accuracy with 1000:1 voltage division ratio ensures laboratory-grade measurement precision for critical HV applications.

Ultra-Low Loss Design

Dielectric loss <0.2% minimizes energy dissipation, maintaining signal integrity during extended tests.

Discharge Control

Aluminum alloy corona rings and specialized insulation limit partial discharge to ≤2pC at full rated voltage.

Robust Construction

Removable stable pedestal with scalable, corona-free HV connections for flexible installation.

Operational Excellence

"The LQHVF's combination of ≤2pC partial discharge and 110% insulation withstand capability makes it uniquely suited for compliance testing to IEC 60270 and IEEE 4 standards."

• Thermal Management: ONAN cooling enables continuous 60-minute operation at 140kV without performance degradation

• Measurement Flexibility: Compatible with variable frequency power sources for single-stage and two-stage serial measurements

• Transport Optimized: Compact design with removable corona rings for secure shipping

Industry Applications

• Power transformer ratio and dielectric testing

• HV cable partial discharge measurement

• Switchgear commissioning and diagnostics

• NIST-traceable calibration laboratories

• Renewable energy substation monitoring

• High-voltage research and development

• Electrical safety compliance testing

• University power engineering labs

Certification-Ready Performance

Designed to exceed international standards including:

• IEC 60270: Partial discharge measurements

• IEC 60060-1: High-voltage test techniques

• IEEE 4: Standard for high-voltage testing

• ASTM D1818: Dielectric breakdown voltage testing

The LQHVF includes complete documentation of partial discharge levels and division ratio for audit-ready compliance records.