Nortek ECO Current Profiler sideview
Nortek ECO Current Profiler frontview
The Eco Web App allows users to configure the Eco ADCP and download data using only a smartphone Eco communicates through Bluetooth technology and requires no cables or connectors
Nortek ADCP lowres 21 of 25
ECO below water complete system above lowres
Nortek ECO Current Profiler sideview
Nortek ECO Current Profiler frontview
The Eco Web App allows users to configure the Eco ADCP and download data using only a smartphone Eco communicates through Bluetooth technology and requires no cables or connectors
Nortek ADCP lowres 21 of 25
ECO below water complete system above lowres

Ocean currents

Eco

Shallow-water current profiles in a groundbreaking new package. Appropriate for first-time ADCP users, small budgets or educational use.

Overview

The Eco current profiler is the first ADCP right-sized and designed specifically for shallow-water measurements. It allows you to measure water velocities in situ, through the water column using the same acoustic Doppler technology as other Nortek instruments, but in a more affordable and easy-to-use package. Simple buoy and bottom-mount solutions are available and designed to fit Eco off-the-shelf. Eco is portable enough to be put in the water from a paddle board or kayak by one person. While the Eco does not feature many of the more complex capabilities of other Nortek instruments, such as wave measurements, turbulence estimation, or echosounder data, Eco does present a host of new, unique capabilities.

  • Currents

Highlights

  • Build your instant proposal in the Eco Webshop to submit to purchasing or buy online
  • Self-configuring data collection in various depths and water types
  • Seamless current profiles from 30cm to 20m from the instrument
  • Weighs only 1 kg in air and is only 13 cm tall
  • Built-in battery and inductive battery charger. No cables or connectors!
  • Integrated deployment and recovery system available
  • Automated data processing to ensure quality data reports with no prior ADCP experience
  • Built-in GNSS, temperature, pressure and tilt sensors

Usage

  • Estuarine studies
  • Sediment transport studies
  • Studies of tidal currents
  • Coral reef studies
  • Educational use

Setup

The Eco is configured online via the Eco WebApp through Bluetooth communication. Users need only to input their desired measurement interval (as little as 2min or as much as 1hr) and expected water salinity (fresh, salt, or a mix). Designed specifically for first-time users and students, the WebApp is also used to configure the Eco’s accompanying timed release.

Deployment

Two off-the-shelf deployment solutions are available for the Eco: a tripod for bottom-mounted deployments in shallow water, and a buoy system with a timed release for deployments in slightly deeper water. An LED on the Eco displays the Eco’s status and assures users of function.

Data

After recovery of the Eco, data is loaded back onto the WebApp via Bluetooth. Data processing is done automatically, including data quality controls accounting for sidelobe and fish interference, bin mapping and other common issues. Users are presented with current velocity in three depth layers. Raw data cannot be accessed.

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Maximum profiling range

20 m

Cell size

Self-configured (profiling range 0.3-20 m)

Minimum blanking

0.1 m

Maximum number of cells

3

Accuracy

±1% of measured value ±0.5 cm/s

Maximum sampling rate (output)

2, 4, 5, 6, 8 10, 20, 30 or 60 minutes

Velocity range (horizontal)

±5 m/s

Sampling

N/A

Transducer acoustic frequency

1 MHz

Number of beams

3

Beam width

3.4°

Type

N/A

Temperature

Thermistor in head

Temp. range

-4 to +40 °C

Temp. accuracy/resolution

0.1 °C/0.01 °C

Temp. time response

2 min

Compass

Solid-state magnetometer

Accuracy/resolution

3° for tilt < 30°/0.01°

Tilt

Solid-state accelerometer

Accuracy/resolution

0.2° for tilt< 30°/0.01°

Maximum tilt

30°

Up or Down

Up-looking only

Pressure

Piezoresistive

Range

50 m

Accuracy/precision

0.5% FS / 0.005% of full scale

Position

embedded GNSS receiver

Accuracy

3 m

No. of channels

N/A

Capacity

16 GB (>5 yrs back-to-back monthly deployments without formatting)

Accuracy

±2 min/year

I/O

Bluetooth Low Energy (BLE)

User control

Smart device and PC App with secure cloud storage Eco account

Bulkhead

None

Cable

None

Functions

Deployment planning, instrument configuration, data retrieval, secure cloud storage, automatic data processing, automatic report generation, deployment position mapping with embedded GNSS.

DC input

N/A

Battery capacity

70 Wh rechargeable smart Li-ion charged by induction

Operating temperature

-5 to +40 °C

Storage temperature

-20 to +60 °C

Shock and vibration

IEC 60068

EMC approval

EN301489, EN 61326, EN61000

Depth rating (Eco)

50 m

Depth rating (Release)

60 m

Standard model

POM

Maximum diameter

85 mm

Maximum length

130 mm

Weight in air

1.02 kg

Weight in water

0.28 kg

Eco Technical Drawing

Declaration of conformity for Eco and Release

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