Aanderaa SeaGuard® CTD

SeaGuard CTD Recorders may be used as a multi-parameter instrument in the sea and in freshwater and feature a modular plug-and-play architecture.

  • Features
  • Specifications

SEAGUARD® Products are based on modern technology and are the basic modules of our underwater observatory. 

SEAGUARD® CTD Advantages:

  • Large storage capacity on SD card
  • Selectable interval from 2 seconds to 2 hours
  • Up to 4 Analog sensor input (0-5V)
  • For use in sea and fresh water
  • Low current drain
  • SEAGUARD® Studio visualization software included
  • Real-Time XML Output included in high power version
  • Smart sensor topology based on a reliable CANbus interface (AiCaP)
  • Windows CE based datalogger with color touch panel for local configuration

Standard sensors included with SeaGuard CTD include:

  • Conductivity Sensor 4319B
  • Pressure Sensor 4117

For temperature there are 3 options:

  • Temperature from 4319/4117: Accuracy +/-0.1°C, response time <10s.
  • Temperature Sensor 4060: Accuracy +/-0.03°C, response time <2s.
  • Special calibrated 4060: Accuracy +/-0.01°C, response time <2s.

Three platforms are available:

  • SeaGuard CTD SW - for depths down to 300m
  • SeaGuard CTD IW - for depths down to 2000m
  • SeaGuard CTD DW - for depths down to 6000m

Each platform may be equipped with optional smart sensors either on the top-end plate or via cable away from the recorder Different mooring and battery solutions are also available.

General Specification
Top-end Plate Multiparameter platform
Recording system Data Storage on SD card
Storage capacity ≤ 2GB
Battery Options 1 or 2 batteries inside the instrument
Alkaline 3988 or Lithium 3908
Alkaline 3988 9V, 15Ah (nominal 12.5Ah; 20W down to 6V at 4°C)
Lithium 3908 7V, 35Ah
Supply voltage 6 to 14VDdc
Operating Temperature -5 to +40°C (23 to 104°F)

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