<1000kV Range
LQHID 100KV/400pF Weak Damping Capacitor Voltage Divider
Engineered for high-accuracy transient voltage measurement, the LQHID 100KV/400pF Weak Damping Capacitor Voltage Divider delivers precision performance in lightning impulse testing and high-voltage research. With ultra-fast response characteristics and compliance with international standards, this instrument ensures reliable data acquisition in critical power systems applications.
Technical Specifications
| Parameter | Value |
|---|---|
| Model | HID 100KV-400pF |
| HV Arm Capacitor | Single-stage 100kV/400pF |
| Standard Lightning Wave | 100kV impulse withstand |
| Rated Capacitance | 400pF ±5% |
| Voltage Ratio | 1000:1 |
| Partial Response Time (Tα) | ≤100 nanoseconds |
| Overshoot (β) | ≤20% |
| Scale Factor Uncertainty (Ks) | ±1% |
| Square Wave Response | 0~9.9μS per GB311 standard |
| Dimensions | 0.8m × 0.8m × 1.8m (L×W×H) |
Key Performance Features
Ultra-Fast Response Capability
With partial response time ≤100ns and overshoot limited to 20%, the divider accurately captures transient events in lightning impulse tests and switchgear operations.
Precision Voltage Scaling
The stable 1000:1 ratio maintains ±1% scale factor uncertainty, ensuring measurement integrity in high-voltage laboratories and testing facilities.
Robust Single-Stage Design
Features a monolithic 100kV/400pF capacitor arm eliminating multi-stage distortion for cleaner signal output.
Standards Compliance
Meets GB311 square wave response requirements (0-9.9μS range)
Compatible with IEC 60060-1 high-voltage test standards
Designed for IEEE 4 standard impulse wave measurements
Industrial Applications
Power Utilities: Lightning impulse testing on transformers and bushings
Research Labs: Transient overvoltage studies
Manufacturing QC: Dielectric strength validation of HV components
Renewable Energy: Wind turbine generator insulation testing
Operational Advantages
| Feature | Benefit |
|---|---|
| Weak Damping Design | Minimal waveform distortion during fast transients |
| Compact Footprint | Space-efficient 0.8×0.8m base for lab integration |
| Single-Stage Capacitor | Reduces phase errors and thermal drift |
Maintenance & Calibration
Annual dielectric strength verification
Biannual ratio accuracy calibration per IEC 61869-14
Environmental operating range: -25°C to +55°C
Why Choose This Voltage Divider?
The LQHID series combines GB311-compliant response characteristics with laboratory-grade precision. Its optimized weak damping topology delivers faithful waveform reproduction for:
True representation of standard lightning impulses (1.2/50μs)
Accurate measurement of switching surges
Reliable performance in EMI-intensive environments
Technical Support
Our engineering team provides application-specific configuration guidance and calibration protocols. Contact HV specialists for test setup optimization and standards compliance verification.
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