LQHID 200KV/300pF Weak Damping Capacitor Voltage Divider

Designed for high-voltage transient measurements, the LQHID 200KV/300pF Weak Damping Capacitor Voltage Divider delivers laboratory-grade accuracy in lightning impulse testing and power systems research. With enhanced voltage handling and GB311-compliant response characteristics, this instrument ensures reliable performance in critical high-voltage applications.

Technical Specifications

Performance Highlights

Enhanced Voltage Capability

200kV-rated capacitor arm withstands standard lightning waves up to 200kV peak, making it ideal for transformer and switchgear testing.

Precision Transient Capture

≤100ns partial response time with ≤20% overshoot ensures accurate waveform reproduction during fast-front impulses.

Optimized Capacitive Design

300pF single-stage construction minimizes phase distortion and thermal drift for stable 1000:1 scaling (±1% uncertainty).

Standards Compliance

• Meets GB311 square wave response requirements (0-9.9μS)

• Compatible with IEC 60060-1 high-voltage test procedures

• Designed for IEEE 4 standard impulse wave measurements

Key Applications

• High-Power Labs: 200kV+ lightning impulse tests on bushings and insulators

• Energy Utilities: Switching surge measurements in substations

• Equipment Manufacturers: Dielectric validation of XLPE cables and GIS components

• Research Facilities: Transient overvoltage studies in HVDC systems

Comparative Advantages

Operational Parameters

• Temperature range: -30°C to +60°C

• Humidity tolerance: ≤95% non-condensing

• Calibration cycle: 12 months (recommended)

• Connector type: SHV or N-type (customizable)

Why This Divider Excels

The LQHID 200KV/300pF delivers superior performance for:

• Accurate reproduction of 1.2/50μs lightning impulses

• Precise measurement of 200kV switching surges

• Long-term stability in harsh electrical environments

Technical Support

Our HV engineering team provides application-specific guidance on:

• Test setup optimization for IEC 60060-1 compliance

• Calibration protocols traceable to NIST standards

• Integration with oscilloscopes and data acquisition systems