SF6 Standard Capacitor
HSC 250KV/100pF SF6 Gas Insulated Standard Capacitor
Designed for ultra-high-voltage applications, the HSC 250KV/100pF SF6 Standard Capacitor ensures laboratory-grade accuracy in tan delta (dissipation factor) and capacitance measurements. Ideal for testing power transformers, cables, and bushings up to 275KV.
Technical Specifications
Rated Voltage (Un): 250 kV
Withstand Voltage: 275 kV
Capacitance (Cn): 100 pF ±0.5%
Partial Discharge: ≤5 pC
Tan δ (Dissipation Factor): ≤1×10-5
Operating Range: -5°C to +45°C
SF6 Gas Pressure: 350 ±50 kPa
Standards Compliance: IEC 60060, ASTM D1818
Key Applications
Tan delta measurement for insulation materials
High-voltage testing of transformers, generators, and cables
Calibration of HV measurement bridges (e.g., HCL 2876/HCL 2840)
Capacitance divider for transformer loss analysis
Design Advantages
1. SF6 Gas Insulation
Ensures minimal dielectric loss and stable performance under extreme voltages (up to 275KV).
2. Precision Electrode System
Special top electrode design for 250KV+ models to maintain linear field distribution
Corona-free operation with ≤5 pC partial discharge
3. Mobility Features
Integrated wheels for lab/field portability
Aviation/LEMO connectors for secure HV connections
Included Accessories
SF6 pressure gauge (350 kPa rated)
Fill valve for gas maintenance
Corona ring (for 200KV+ models)
Why Choose This Model?
Ultra-Low Tan δ: ≤1×10-5 ensures measurement integrity
High Safety: 275KV withstand voltage exceeds rated capacity
Interoperability: Compatible with third-party tan delta bridges
Compliance & Certifications
Meets international standards for HV testing equipment, including:
IEC 60060 (High-voltage test techniques)
ASTM D1818 (Dielectric breakdown voltage testing)