OCEANOGRAPHY

11/09/2024

Aquadopp - 6000 m, Generation 2

High-performance full ocean depth, single-point current meter withtitanium housing

With all the robust and easy-to-use features and capabilities of the standard Aquadopp, the deepwater Aquadopp
6000 m current meter has been used and proven by oceanographers around the world for almost 20 years.
Thanks to innovative data diagnostic features for challenging environments, it provides exceptionally high-quality
3D currents in a form factor that is easy to install in any type of mooring line configuration, or simply attached to abottom or surface platform.
The 6000 m Aquadopp now offers 6% broadband measurements and “hibernation mode” between measurements,
enabling precise data collection with lower power consumption. The upgraded deepwater Aquadopp design alsooffers increased internal battery storage, extending potential deployment duration.

See the details of the Generation 2 Aquadopp updates in the release notes here.

Highlights

Applications

Single-point current meter

Studies of deep-water currents

Titanium housing for long-term deployments

Attached to mooring lines

at full ocean depthIdeal for deep water moorings
LED blinks when pinging for peace of mind
during deployment

Combined with riser monitoring systems
Near-bed current measurements fromlandersTechnical specifications
Water velocity measurements
Cell size

0.75 mMaximum number of cells

1Blanking distance

0.1-5.0 m (user-selectable)

Velocity range±1 m/s, ±2.5 m/s, ±5 m/s

Velocity range (horizontal)±2.3 m/s, ±5.75 m/s, ±11.5 m/s

Accuracy±1% of measured value ±0.5 cm/s

Horizontal velocity precision (consultTyp. 1 cm/sinstrument SW)
Maximum sampling rate (output)

1 Hz

Echo intensity
Sampling

Same as velocity

Resolution

0.5 dB

Dynamic range

90 dB

Transducer acoustic frequency

2 MHz

Number of beams

3 (see GA drawing for angles)

Beam width

0.85° (1.7° total)

Sensors
Temperature:
Temp. range-4 to +40 °C

Temp. accuracy/resolution

0.1 °C/0.01 °C

Temp. time response<1 minCompass:

Solid state magnetometer

Accuracy/resolution<2° for tilt < 30° / 0.01°

Tilt:

Solid state accelerometer

Accuracy/resolution

0.2° for tilt < 30° / 0.01°

Maximum tilt

Full 3DUp or Down

Automatic detect

Pressure:

PiezoresistiveRange

6000 m

Accuracy/precision

0.5% FS / 0.005% of full scale

Digital inputs
No. of channels

1Digital input format

MicroCat CTD

Data recording
Capacity

Real-time clock

16 GB

Accuracy±1 min/year

Backup in absence of power

4 weeks

Data communications
I/O

RS-422 (inquire for RS-232)

Communication baud rate

9600 Baud- 1.2 Mbaud (default 115200 Baud)User control

Nortek Deployment Software or direct ASCII commands, withbinary or ASCII data output

SoftwareOperating system

Cross platformFunctions

Deployment planning, instrument configuration, data retrieval
and conversion. Online data display.

PowerDC input

9-24 VDC

Absolut maximum DC input

26 VDC

Maximum peak current

4.5 A

Power consumption

Consult Nortek Deployment Software

Sleep current< 40 uA

Transmit power

AdjustableBatteries
Internal battery capacity

1-3 x 50 Wh (Alkaline); 2-3 x 165 Wh (Lithium); 1-3 x 76 Wh(Li-ion)

Battery weight

430g per 50 Wh (Alkaline); 380g per 165 Wh (Lithium); 300g
per 76 Wh (Li-ion)

Environmental
Operating temperature-5 to +40 °C

Storage temperature-20 to +60 °C

Shock and vibration

Shock: IEC 60068-2-27, Vibration: IEC 60068-2-64

EMCEN IEC 61000-6-2:2019, EN IEC 61000-6-4:2019

Depth rating

6000mConnectors
Bulkhead (Impulse)

MCBH-8-FS titanium

Cable

PMCIL-8-MP on 5m (default) polyurethane cable

Materials
Standard model

Titanium Gr. 5, POM, Naval Brass, epoxy

Dimensions (see drawings for details)
Maximum housing diameter

84 mm

Maximum length

623 mmWeightWeight in air (without batteries)

7600 gWeight
Weight in water (without batteries)

4350 gArrangements
D2VCDeep water, 2Mhz, Vertical orientation, Current meter