Aanderaa Doppler Current Sensor (DCPS / DCS)

The Aanderaa Doppler Current Sensor (DCS) is a rugged, true vector averaging sensor for measuring current speed and direction in the sea. The sensor has built-in compass and tilt sensor and may also output sea temperature. 

  • Features
  • Selection Guide - 4000 Series
  • Selection Guide - 5000 Series

Doppler Current Sensor (DCS)

The Aanderaa Doppler Current Sensor is a rugged, true vector averaging sensor for measuring current speed and direction in the sea. The sensor has built-in compass and tilt sensor and may also output sea temperature. The speed range is 0 to 300 cm/s. Low current drain and flexible sampling schemes. New multi-frequency Doppler Current Sensor (DCS) with ZPulse technology achieves better performance using only half the power than previous models. The new, fast response compass and tilt circuitry has no moving parts achieving excellent performance in unstable areas such as in the wave zone close to surface.

In-line ZPulse DCS Doppler Current Sensor 5800 / 5810

The inline ZPulse DCS has been designed in order to easily integrate into systems offering a compact and elegant solution. It is based on a modified version of the ZPulse Doppler Current Sensor 4520. The unit connects to a combined mooring and signal cable in one end and allow for connection of a continuation cable at the opposite end. It can hold a load of up to 1300 kg. It has been developed to replace the previous Aanderaa DCS 4100 using newer technology and extending capabilities.

DCPS 5400/5400R - Doppler Current Profiler Sensor

The Doppler Current Profiler Sensor (DCPS) is a medium range, 600kHz current profiler smart sensor. If features innovative development of the acoustic profiling ability to collect high quality current information also on moving and tilting platforms. It is a 300m depth rated sensor intended for commercial as well as research use. It comes with an integrated temperature sensor that can be calibrated on request. Learn more from the Doppler Current Profiler Sensor - DCPS spec sheet

Specification4420/4420R4520/4520R4830/4830R4930/4930R
Shallow Water X X
Intermediate Water   X X
Deep Water   X X
AiCaP1 X / – X / – X / – X / –
RS-232 X / – X / – X / – X / –
RS-4222 – / X – / X – / X – / X
In-line
Temperature   X X
Z-Pulse4 X X X X
Profiler
Single point X X X X
Extra sensor connection    
1 The Seaguard platform and the smart sensor are interfaced by means of a reliable CANbus interface (AiCaP), using XML for plug and play capabilities.
2 RS-422 output for use as stand-alone sensor with long cables.
3 Optional Temperature sensor 4080 available
4 ZPulse technology which improves the statistical precision. Complex acoustic pulses comprising several distinct frequencies are combined into a single acoustic pulse. The ZPulse based DCS separates the received signal into different frequency bands, one for each frequency in the transmitted signal. Further it analyses the frequency shift using a high speed Digital Signal Processor using an ARMA based parametric model processing algorithm to find the Doppler shift frequencies. This multi-frequency technique reduces the required number of pings needed in order to achieve an acceptable statistical error. The achieved measurement precision is proportional to the inverse of the square root of the number of ping measurements in a measurement interval. The ZPulse DCS uses two frequencies and this gives a reduction by a factor square root of two compared to a single frequency sensor. A single frequency sensor needs twice the number of ping to achieve the same precision as the Zpulse DCS.

Specification5800/5800R/5800RR5810/5810E5400/5400R
Shallow Water X
Intermediate Water X X
Deep Water
AiCaP1 X / – / – X / – X / –
RS-232 – / – / X – / X X / –
RS-4222 – / X / – – / X – / X
In-line X X
Temperature X3
Z-Pulse4 X X
Profiler X
Single point X X
Extra sensor connection X X
1 The Seaguard platform and the smart sensor are interfaced by means of a reliable CANbus interface (AiCaP), using XML for plug and play capabilities.
2 RS-422 output for use as stand-alone sensor with long cables.
3 Optional Temperature sensor 4080 available
4 ZPulse technology which improves the statistical precision. Complex acoustic pulses comprising several distinct frequencies are combined into a single acoustic pulse. The ZPulse based DCS separates the received signal into different frequency bands, one for each frequency in the transmitted signal. Further it analyses the frequency shift using a high speed Digital Signal Processor using an ARMA based parametric model processing algorithm to find the Doppler shift frequencies. This multi-frequency technique reduces the required number of pings needed in order to achieve an acceptable statistical error. The achieved measurement precision is proportional to the inverse of the square root of the number of ping measurements in a measurement interval. The ZPulse DCS uses two frequencies and this gives a reduction by a factor square root of two compared to a single frequency sensor. A single frequency sensor needs twice the number of ping to achieve the same precision as the Zpulse DCS.

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