3388 25 kV Standard Gas Capacitor

HAEFELY / Tettex

3388 25 kV

The 3388 25 kV compressed gas standard capacitor is an indispensable instrument in every high voltage laboratory and test field in which it can be utilized in a wide range of important functions. The compressed gas capacitor is used as capacitance standard in bridge circuits to measure the dielectric dissipation factor tan delta, the dielectric constant, and the capacitance of cables, ducts, insulators, transformer windings and insulates.

The capacitor is PD free, sealed and highly stable across a wide range of temperatures and humidity.

DATA SHEET:      3388 25 kV Standard Capacitor

3388 Features

  • SF6-filled
  • Rated capacitance: 100 pF
  • Rated voltage: 25 kV
  • Highly stable capacitance with no influence from atmospheric pressure and humidity
  • Very low internal dissipation factor
  • Partial discharge free
  • Stray capacitances are eliminated from the main circuit by using a guard electrode
  • Maintenance free

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