SF6 Standard Capacitor
LQSC 10KV/50pF SF6 Gas Insulated Standard Capacitor
Engineered for laboratory-grade accuracy in extreme high-voltage environments, the SF6-filled LQSC series delivers unmatched stability for capacitance and dissipation factor measurements up to 10kV.
Key Technical Parameters
Feature | Specification |
---|---|
Rated Voltage | 10 kV (11kV withstand) |
Capacitance | 50pF ±0.2% |
SF6 Gas Pressure | 350±50 kPa |
Partial Discharge | ≤2 pC @ 1.1×Un |
Temperature Stability | 3×10-5/°C (-5°C to +45°C) |
SF6 Gas Insulation Advantages
Superior Dielectric Strength: 3× higher than air at 350kPa pressure
Stable Capacitance: <3×10-5 voltage deviation under load
Corona-Free Operation: Eliminates partial discharge interference
Critical Applications
1. High-Voltage Equipment Testing
Power transformer tan δ measurements (IEC 60296 compliant)
Bushing/Cable insulation diagnostics
Generator winding loss analysis
2. Metrology Laboratory Use
Reference standard for HCL 2876/2840 bridges
Calibration of partial discharge detectors
HV capacitance inter-laboratory comparisons
Design Features
Precision Electrodes
Mirror-polished stainless steel electrodes maintain linear E-field distribution up to 11kV
Gas Management System
Integrated pressure gauge and fill valve for SF6 maintenance (350±50kPa operating range)
Mobility Package
Industrial wheels + LEMO connectors for field/lab portability
Quality Validation
100% partial discharge tested per IEC 60270
72-hour thermal cycling (-5°C to +45°C)
Altitude simulation up to 1,000m ASL
Humidity testing at 75% RH non-condensing
Accessories Included
SF6 pressure gauge (0-500kPa range)
Gas fill valve with anti-leak seals
Removable top electrode assembly
Aviation/LEMO connector options
The LQSC 10KV/50pF sets the benchmark for SF6-insulated reference capacitors, delivering ≤1×10-5 tan δ accuracy in demanding HV test environments.