Pressure Sensor

Aanderaa pressure sensors are compact, intelligent pressure sensors designed for use on Aanderaa Data Instruments dataloggers as well as in other measuring systems.

In most measuring systems used in the sea, pressure is a vital parameter. For moored instruments the pressure can be used for determining the actual depth of the instrument. For
instrumentation on the seabed the pressure can be used for deriving water level. The pressure is also vital when deriving other parameters as density and speed of sound.

The Aanderaa Pressure Sensor is a compact fully integrated intelligent sensor for measuring the pressure level and the water temperature.

The pressure sensors are based on a silicon piezoresistive bridge sampled and temperature compensated by an advanced Digital Signal Processor. Since all calibration and temperature compensation data is stored internally,pressure can be presented directly in engineering units without any external calculation. The range on both SR10 outputs is user configurable, i.e. confine the range to get optimal resolution.

Advantages:

  • Smart Sensor technology - plug and play
  • Calibration coefficients are stored in the sensor
  • Low maintenance needs
  • Low current drain
  • Depth rating of 6000 meters
  • Direct readout of engineering data
  • Output parameters: Pressure, Temperature
  • Selectable interval from 1 second to 255 minutes
  • Use with Aanderaa dataloggers
  • Use as stand-alone sensor
  • Output formats 4117: AiCaP CANbus, RS-232
  • Output format 4117R:RS-422
  • Up to 60MPa range

 

4117/4117R

4425/4426/4427

4425R/4426R/4427R

Shallow water

X

X

X

Intermediate Water

X

Deep Water

X

Used with Seaguard: on top-end plate, on string or connected via cable

X/- 

 

Used with RCM9/11, RDCP or AADI datalogger, on top-end plate or via cable.

Real-time RS-232 output

X/-

X

Real-time RS-422 output

-/X

X

 

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