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SF6 Standard Capacitor

LQSC 10KV/50pF SF6 Gas Standard Capacitor | HV Tan Delta Testing

Precision LQSC 10KV/50pF SF6 gas-insulated standard capacitor for high-voltage tan delta measurements in transformers, cables, and bushings. ≤2pC PD level at 350kPa SF6 pressure.


  • US$ 575.00
  • Lead time: 30 days

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Product Details

Product Tags

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

FeatureSpecification
Rated Voltage10 kV (11kV withstand)
Capacitance50pF ±0.2%
SF6 Gas Pressure350±50 kPa
Partial Discharge≤2 pC @ 1.1×Un
Temperature Stability3×10-5/°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

  1. 100% partial discharge tested per IEC 60270

  2. 72-hour thermal cycling (-5°C to +45°C)

  3. Altitude simulation up to 1,000m ASL

  4. 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.

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