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Conductivity Sensor

Measuring conductivity of salt water is a key parameter for in-situ measurements of several fundamental physical properties of water.

Salt Water Conductivity sensors from Aanderaa are compact, fully integrated sensors for measuring water conductivity.


For saltwater, the ability to conduct electrical current is mostly dependent on temperature and the amount of inorganic dissolved solids. This means that, together with temperature and depth information, a good estimate of the water conductivity or salinity may be determined by measuring conductivity of water with an Aanderaaa conductivity sensor. Salinity is defined as the concentration of dissolved solids. By using the inductive principle, stable measurement can be obtained with­out utilizing electrodes that are easily fouled and may wear out in the field.

Other important properties of saltwater are again dependent on the salinity. Among these are the density and the speed of sound.

The Smart sensor, including the conductivity sensor  can be mounted directly on the top-end plate of the Aanderaa SmartGuard datalogger, in a String System node or connected to the SmartGuard datalogger and hence automatically detected and recognized.

Advantages of Conductivity Sensor:

  • Smart Sensor for easy integration with SeaGuard
    and SmartGuard
  • Direct readout of engineering data
  • Rugged and robust with low maintenance needs
  • Output format AiCaP CANbus, RS-232/RS-422
  • 3 depth ranges available: 300, 3000 and 6000 meters

Do you have questions about this product?

  • Questions about price, availability, and/or retailers
  • Questions about technical specifications and usage
  • Questions about suitability for your project or application



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