Model GDI-100

Gas density indicator

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  • Medium and high-voltage equipment
  • Gas density monitoring of closed SF6 gas tanks

Special features

  • Case and wetted parts from stainless steel
  • On-site display of the pressure standardised to 20 °C [68 °F]
  • Temperature-compensated and hermetically sealed, therefore no influence of temperature fluctuations, differences in level and atmospheric pressure fluctuations
  • Compensation possible for gas mixtures
  • Traceability by serial number


Gas density is a crucial operating parameter for high-voltage switchgear. If the required gas density is not present, safe operation of the plant cannot be guaranteed.

With WIKA gas density measuring instruments, changes of gas volumes can be determined reliably (e.g. leakages). Even under extreme environmental conditions.

Numerous fields of application
The WIKA gas density indicator is hermetically sealed and temperature-compensated. Measured value fluctuations and misinterpretations caused by changes in either ambient temperature or atmospheric pressure are therefore prevented.

Via the on-site display, the pressure based on 20 °C [68 °F] can be read directly on the instrument.

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