≥1000kV Range
LQHID 1800KV-400pF Weak Damping Capacitor Voltage Divider
World-Record 1.8MV Measurement Capability
1800kV Lightning Impulse 400pF System Capacitance
This ultra-high-voltage divider sets new industry benchmarks with:
±1% scale factor uncertainty (Kg)
≤150ns partial response time
3000:1 standard voltage ratio
Technical Specifications
| Parameter | Specification | Industry Advantage |
|---|---|---|
| Maximum Lightning Impulse | +1800kV (1.8MV) | World-class voltage level |
| HV Arm Capacitance | 400pF | Optimal signal-to-noise balance |
| Response Time (Ta) | ≤150ns | Fast transient capture |
| Over-impulse Capability | ≤20% | Enhanced safety margin |
| Voltage Ratio | 3000:1 | Standardized measurement output |
| Standards Compliance | GB311 (Full waveform validation) | |
Engineering Innovations
Electrical Performance
Multistage non-inductive capacitor network
Distributed damping resistors
GB311-compliant square wave response (0-9.9μs)
Mechanical Design
Reinforced movable base with polyurethane wheels
Stainless steel field-installable electrode
1.8MV-rated corona protection system
Anti-flashover top electrodes
Certification & Standards
GB311 - Full compliance with Chinese national standard
IEC 60060-1 - Meets international HV test requirements
Factory calibration certification included
Application Scenarios
Energy Sector
±1100kV UHV DC transmission testing
Next-generation GIS switchgear validation
Scientific Research
High-energy physics experiments
Lightning simulation studies
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