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Instruments
Battery, 75Wh Li-ion rechargeable
This small, rechargeable battery can be used in the main canister of your instrument.
VM Ocean
100|75|55 kHz
Delivers vessel-mounted ADCP capabilities with either an optional scientific echosounder for biomass measurements (100 kHz) or very long-range measure...
Battery pack, 5-pack, 12 V - 165 Wh, lithium - for use with Aquadopp Generation 2
This battery can be used inside the main canister of your Nortek instrument.
Battery pack, 5-pack, 12 V - 165 Wh, lithium - for use with legacy Aquadopp, legacy Vector
This battery can be used inside the main canister of your Nortek instrument.
VM Coastal
1000|500|250 kHz
The VM Coastal package is a highly versatile ADCP system that can be easily installed on a vessel of opportunity.
Battery, 19 V - 1800 Wh, lithium
An optional high-capacity lithium battery for Signature & Generation 2 AWAC instruments.
Battery, 15 V - 1800 Wh, lithium- for use with legacy AWAC
An optional high-capacity lithium battery for legacy AWACs
Battery, 12 V - 165 Wh, lithium - for use with Aquadopp Generation 2
This battery can be used inside the main canister of your Nortek instrument.
Battery, 12 V - 165 Wh, lithium - for use with legacy Aquadopp, legacy Vector
This battery can be used inside the main canister of your Nortek instrument.
DVL 500 Compact, Schilling
6000 m
Bottom-track from 0.1 to 175 m range; 6000 m operational depth, Seanet connector.
Signature 1000
300 m | 6000 m
High-performance mean currents and turbulence, wave height and direction
Signature 500
300 m | 6000 m
Mean currents and turbulence, plus wave height, direction and ice tracking
Signature 250
300 m
Intermediate current profiling range that includes wave height/direction and ice tracking capability
DVL 1000
6000 m, Generation 3
Bottom-track from over 0.1 to 75 m range; 6000 m max. operational depth
Knowledge Center
Rare ADCP deployment during a tsunami provides insight into interactions of tsunamis, rivers and tides
A recent collaboration between San Diego State University, Chilean aquaculture technology company Innovex , and the Valdivia Yacht Club in Valdivia, C...
University of Minnesota study uses Signature ADCP to investigate the impacts of recreational powerboats on inland lakebeds
Wakesurfing is an increasingly popular activity on inland lakes in Minnesota, but the specially designed boats and mode in which they operate during s...
Vatn Systems leverages Nortek technology for driving precision and innovation in autonomous underwater navigation
Vatn Systems, a fast-growing innovator in autonomous underwater vehicles (AUVs), has built its reputation on delivering affordable, high-performance p...
Ensuring reliable navigation for divers during tactical missions
Blueprint Subsea and Nortek are working together to ensure divers stay on course when GNSS signals disappear beneath the surface, where navigation dep...
The Great Bubble Barrier relies on data from Nortek current profiler
Amsterdam-based company The Great Bubble Barrier installs inventive bubble curtains that filter plastic litter and microplastics from the water system...
Accurate navigation for a compact ROV supports safer underwater inspection, search and maintenance
Divers can face difficult and dangerous conditions when performing essential underwater inspection, search and maintenance. Now a new ROV from Switzer...
Exploring Mediterranean Sea waters with a state-of-the-art combined current profiler and echosounder
A test deployment in the Mediterranean shows how the Signature 100 current profiler – with dedicated echosounder functionality – provides high-resolut...
Making sure your navigation system operates properly before deploying a vehicle
How do you know if your navigation system is functioning properly before deploying your subsea vehicle? Nortek DVLs have several features and capabili
Autonomous docking of resident subsea vehicles using Nortek DVLs
Allowing an inspection or survey vehicle to remain submerged for many months at a time has several benefits, one being the reduction of carbon emissio...
Boosting maritime safety with real-time data of waves and currents near ports in West Africa
For the maritime authorities in the West African nation of Togo, keeping vessels safe is a top priority, as is safeguarding the marine environment and...
Observing flow patterns with the Eco ADCP to understand the formation of sandy coastal features
Researchers at TU Delft in cooperation with Utrecht University are using ADCPs to measure hydrodynamic conditions at an artificially reinforced sand d...
Preventing biofouling on ADCPs deployed in the field
Biofouling is a problem that may not come top of all marine scientists’ priorities when preparing underwater instruments for deployment. However, in s...
What is the Schilling version of Nortek's DVL 500 Compact?
The Schilling version of the DVL 500 Compact takes Nortek's new compact 500 kHz DVL and equips it with a Seanet connector. This connector allows the D
Providing critical metocean data for a major offshore gasfield installation
Nortek’s Aquadopp 600 kHz current profiler provided valuable information on sea conditions during the installation of a Malaysian offshore gas platfor...
Using a versatile vessel-mounted ADCP to obtain high-resolution current data in estuarine and near-shore environments
The Signature 250 is the lowest available frequency of the Nortek's Signature VM Coastal series (250 kHz). Designed to sample in depths of up to 200 m...
A DVL that brings navigation accuracy to tank inspection robots in a harsh environment
The versatility of Nortek’s DVL is spotlighted by its integration on a pioneering autonomous robot that is revolutionizing fuel tank inspection while ...
Deploying a vessel-mounted ADCP on a USV to survey currents in a complex river environment
If a river crossing can be mapped using a USV instead of field personnel, then the risk to life is considerably reduced. Ultrabeam Hydrographic equipp...
Flexible ADCP sensor solution for rapid inshore deployments of USVs
For HydroSurv, the capacity to quickly install and easily operate sensors on its USVs permits collection of critical environmental data at short notic...
Studying water flow to maximize coral growth on reefs
A coral reef research team at San Diego State University is building floating structures called “Coral Arks” to learn more about the conditions coral ...
A DVL enhancing autonomous navigation for ROV net inspections on fish farms
Norwegian researchers are working on projects that are providing the groundwork for a revolution in aquaculture. As a small part of this revolution, N...
Learning from nature with bionic engineering and using DVLs to improve subsea vehicles
Find out how Nortek’s Doppler Velocity Log (DVL) is bringing greater navigational accuracy to impressive bionic subsea vehicles that use techniques ad...
Accurate measurements of speed through water during America’s Cup training
Ineos Team UK needed accurate measurements of complex current flows while training for the America’s Cup in their sophisticated AC75 yacht. How did No...
Providing navigation for underwater vehicles in pioneering robotics project
Nortek’s DVL has been playing a crucial role in a pioneering robotics project that depends on accurate and reliable navigation to explore the tunnels ...
Current and wave monitoring supports a natural solution for Dutch flood defense
Nortek has been working closely with the Dutch government and research institutions to monitor how waves and currents would affect the pioneering use ...
How to get high-resolution echosounder data from water surface to seabed
Quantifying marine sediment and biomass in the water column is important for the environmental management of estuarine and coastal ocean systems. How ...
Webinar: Introduction to DVLs - from unboxing to functional tests
Need a user-friendly DVL to ensure accurate navigation for your underwater vehicle?
This webinar demonstrates how you can be up and running with your
High-resolution backscatter data with Nortek Signature ADCP
With fish and other marine life becoming increasingly important for feeding our growing human population, science-based fisheries management is crucia...
How to combat biofouling and extend your ADCP deployment
People deploying ADCPs to monitor currents or waves are often faced with problematic biofouling, which is the unwanted growth of algae, barnacles and ...
Vessel-mounted current surveys along China's Maritime Silk Road
China’s recent wave of infrastructure renewal has included a large portfolio of developments, such as ports and other developments, that have a subsea...
Improving subsea navigation with Nortek's state-of-the-art DVLs
The quality and accuracy of a subsea navigation system depends largely on the quality and reliability of the DVL.
See why professional users choose N
Offering optimal navigational performance for diver sonars through Nortek DVL integration
Small underwater vehicles are becoming more prevalent in the subsea community. The Nortek DVL can be customized for operational users of workclass and...
A compact DVL improving the efficiency and quality of ROV data collection
Steep underwater walls are often important to investigate for multiple scientific end users such as biologists and geologists, as well as professional...
Release Notes for the Aquadopp and AWAC: Generation 2 Products
Updated: September 2024
News
Nortek announces new partnership with OGEQUIP for ADCP and DVL services in Brazil
OGEQUIP will now operate as an authorized local service provider for Nortek ADCPs, current meters and DVLs in Brazil.
Nucleus 1000: Firmware Update 4.2.2
Nucleus Firmware Update 4.2.2: New ADCP functionality & narrowband mode expand capabilities
USV navigation in GNSS-denied environments made possible by tailor-made Nortek DVL
Nortek's DVL 333 Surface, designed specifically for uncrewed surface vessels (USVs), enables USVs to maintain position or navigate when GNSS is lost.
Award-winning Robosub teams use Nortek navigation sensors
Several of the 2025 Robosub teams, including second-place finishers Desert WAVE and Entrepreneurship Award recipients BRACU Duburi, used Nortek naviga...
Nortek welcomed five interns for the summer of 2024
Five interns joined Nortek this summer to gain valuable experience in the ocean technology industry. Two of the interns worked at our HQ in Rud outsid...
Introducing: future-proof ADCP technology from Nortek
Nortek is pleased to announce the launch of our upgraded Aquadopp and AWAC range of ADCPs. The latest versions of these instruments build on already e...
Second annual Nortek beach cleanup gathers 650 kg of trash from Sandvika river
This September, Nortek employees held their second annual underwater cleanup, this time removing litter from where a river meets the fjord in Sandvika...
Nortek Netherlands is hiring!
As our Netherlands office continues to grow and develop new and innovative vessel-mounted current measurement systems, it is seeking a Software Engine...
Next-level oceanographic customer service for the University of South Florida
Two Nortek sales advisors recently worked with a team at the University of South Florida to help recover and deploy four ADCPs as part of an oceanogra...
Nortek internships pave the way for students and young professionals in a growing industry
Two interns joined the Nortek team at Nortek HQ in Oslo, Norway during the summer of 2022 as part of Nortek’s latest efforts to engage young scientist...
Growing low-cost subsea vehicle market enabled by sensor innovations
The development of small, low-cost subsea vehicles is facilitating commercial and research projects previously beyond the budget and capabilities of m...
Nortek in Brazil to partner with ADCP battery specialists Mitang
To ensure a constant supply of high-quality batteries for Nortek ADCP users in Brazil, Nortek has partnered with Brazilian company and battery industr...
Compact, high-performance sensor development – a balancing act you need to get right
Subsea vehicles are becoming more capable, whether it is a resident robot that can spend months beneath the surface, or a large ROV performing functio...
Helping the rapidly expanding USV sector strengthen data collection capabilities with ADCPs
Oceanographic measurements from Uncrewed Surface Vehicles (USVs) are opening new possibilities, and these innovative measurement platforms are pushing...
Increased demand for ROVs and deepwater equipment indicates a more optimistic offshore market
The beginning of 2021 saw a very positive outlook for offshore operations and maintenance (O&M), with a record number of orders for Seatronics’ VALOR ...
Women in Nortek share insights on working in the ocean tech industry
Are you considering working in the ocean technology industry, but don’t know what your options are? Talented and inspirational women from Nortek share...
DVLs with bottom-tracking algorithms that improve accuracy and reliability for subsea navigation
Navigating subsea presents many challenges, and having a reliable navigation system is critical for successfully conducting a subsea mission with an R...
Why patches are the best anti-biofouling solution for an ADCP
We all want our ADCP to gather data accurately and work for as long as possible, but biofouling can stop us achieving both of these objectives. When m...
New 250 kHz version of Signature VM Coastal offers accurate current profiling to 200 meters
Nortek has launched the Signature VM Coastal in a 250 kHz version. This completes the company’s suite of vessel-mounted acoustic Doppler current profi...
Nortek redefines current profiling from autonomous vehicles
Installation and operation of current profiling instruments on remote unmanned or autonomous surface vehicles (USVs and ASVs) can be fraught with diff...
High-res echo profiles and other updates to Nortek’s vessel-mounted system
We’re continuously working to improve our system for vessel-mounted current measurements and related data processing. In recent months we have added a...
Other
Nortek announces new partnership with OGEQUIP for ADCP and DVL services in Brazil
OGEQUIP will now operate as an authorized local service provider for Nortek ADCPs, current meters and DVLs in Brazil.
Making discharge measurements simpler and smarter
Nortek introduces integrated discharge measurement for the VM Coastal system: seamless, precise, and Qrev-connected
Nucleus 1000: Firmware Update 4.2.2
Nucleus Firmware Update 4.2.2: New ADCP functionality & narrowband mode expand capabilities
USV navigation in GNSS-denied environments made possible by tailor-made Nortek DVL
Nortek's DVL 333 Surface, designed specifically for uncrewed surface vessels (USVs), enables USVs to maintain position or navigate when GNSS is lost.
Nortek’s Nery Contti Neto presents at 4th International Workshop on Waves, Storm Surges and Coastal Hazards in Santander, Spain
Dr. Nery Contti Neto, Senior Oceanography Advisor at Nortek, joined over 200 attendees from around the world at the workshop and presented his work ti...
Award-winning Robosub teams use Nortek navigation sensors
Several of the 2025 Robosub teams, including second-place finishers Desert WAVE and Entrepreneurship Award recipients BRACU Duburi, used Nortek naviga...
Nortek Day in New Zealand connects community
Nortek hosted a Nortek Day in Nelson, New Zealand at the end of March, bringing together a broad array of Nortek users across several industries.
Nortek VM V3.0: Revamps User Experience with Customizable Software Features
Nortek has unveiled the latest version of its VM acquisition software, V3.0, offering users unprecedented flexibility with the introduction of license...
Nortek welcomed five interns for the summer of 2024
Five interns joined Nortek this summer to gain valuable experience in the ocean technology industry. Two of the interns worked at our HQ in Rud outsid...
Highlights: Nortek events from the first half of 2024
In the first half of this year, Nortek hosted over a dozen Nortek Days and Navigation Days, bringing together hundreds of oceanographers, marine robot...
Introducing: future-proof ADCP technology from Nortek
Nortek is pleased to announce the launch of our upgraded Aquadopp and AWAC range of ADCPs. The latest versions of these instruments build on already e...
Second annual Nortek beach cleanup gathers 650 kg of trash from Sandvika river
This September, Nortek employees held their second annual underwater cleanup, this time removing litter from where a river meets the fjord in Sandvika...
Nortek Netherlands is hiring!
As our Netherlands office continues to grow and develop new and innovative vessel-mounted current measurement systems, it is seeking a Software Engine...
Next-level oceanographic customer service for the University of South Florida
Two Nortek sales advisors recently worked with a team at the University of South Florida to help recover and deploy four ADCPs as part of an oceanogra...
Nortek internships pave the way for students and young professionals in a growing industry
Two interns joined the Nortek team at Nortek HQ in Oslo, Norway during the summer of 2022 as part of Nortek’s latest efforts to engage young scientist...
Nortek Navigation Days: connecting our global navigation community
Nortek’s Boston Navigation Day in November marked the final Navigation Day of 2022, wrapping up a global series of five events spread over four contin...
Making sure your navigation system operates properly before deploying a vehicle
How do you know if your navigation system is functioning properly before deploying your subsea vehicle? Nortek DVLs have several features and capabili
Growing low-cost subsea vehicle market enabled by sensor innovations
The development of small, low-cost subsea vehicles is facilitating commercial and research projects previously beyond the budget and capabilities of m...
Nucleus1000 – a new DVL that extends your underwater navigation capabilities
Nortek’s latest combined DVL package delivers a suite of integrated underwater navigation sensors at a size, weight and price that will unleash the fu...
Nortek in Brazil to partner with ADCP battery specialists Mitang
To ensure a constant supply of high-quality batteries for Nortek ADCP users in Brazil, Nortek has partnered with Brazilian company and battery industr...
Compact, high-performance sensor development – a balancing act you need to get right
Subsea vehicles are becoming more capable, whether it is a resident robot that can spend months beneath the surface, or a large ROV performing functio...
Helping the rapidly expanding USV sector strengthen data collection capabilities with ADCPs
Oceanographic measurements from Uncrewed Surface Vehicles (USVs) are opening new possibilities, and these innovative measurement platforms are pushing...
What is the Schilling version of Nortek's DVL 500 Compact?
The Schilling version of the DVL 500 Compact takes Nortek's new compact 500 kHz DVL and equips it with a Seanet connector. This connector allows the D
Discover innovations in Nortek DVLs and subsea vehicle technology
This webinar introduces you to developments in DVL and subsea navigation technology.
From high-performance, survey-grade sensors, through to a packag
Increased demand for ROVs and deepwater equipment indicates a more optimistic offshore market
The beginning of 2021 saw a very positive outlook for offshore operations and maintenance (O&M), with a record number of orders for Seatronics’ VALOR ...
Women in Nortek share insights on working in the ocean tech industry
Are you considering working in the ocean technology industry, but don’t know what your options are? Talented and inspirational women from Nortek share...
DVLs with bottom-tracking algorithms that improve accuracy and reliability for subsea navigation
Navigating subsea presents many challenges, and having a reliable navigation system is critical for successfully conducting a subsea mission with an R...
Why patches are the best anti-biofouling solution for an ADCP
We all want our ADCP to gather data accurately and work for as long as possible, but biofouling can stop us achieving both of these objectives. When m...
New 250 kHz version of Signature VM Coastal offers accurate current profiling to 200 meters
Nortek has launched the Signature VM Coastal in a 250 kHz version. This completes the company’s suite of vessel-mounted acoustic Doppler current profi...
Nortek redefines current profiling from autonomous vehicles
Installation and operation of current profiling instruments on remote unmanned or autonomous surface vehicles (USVs and ASVs) can be fraught with diff...
How to get discharge data from Nortek’s vessel-mounted systems
Discharge, or volumetric flow rate, is a key factor in the assessment of watersheds, estuaries and coastal oceans. To date, obtaining discharge with S...
High-res echo profiles and other updates to Nortek’s vessel-mounted system
We’re continuously working to improve our system for vessel-mounted current measurements and related data processing. In recent months we have added a...
Nortek opens Australian office to build on regional demand
Nortek, a leader in Doppler-based measurements in marine environments, has opened the latest of its global network of offices in Melbourne, Australia....
Nortek’s Claire Cardy wins industry award at Ocean Business 2019
Nortek’s talented and hard-working UK Director, Claire Cardy, won the SMI Marine Science & Technology Business Person of the Year 2019 Award. Congratu...
Webinar: Introduction to DVLs - from unboxing to functional tests
Need a user-friendly DVL to ensure accurate navigation for your underwater vehicle?
This webinar demonstrates how you can be up and running with your
Five new, innovative features for Nortek’s Signature series
With latest release of Nortek’s Signature firmware and software, we are introducing five new features that enhance the capabilities of those who use S...
Improving subsea navigation with Nortek's state-of-the-art DVLs
The quality and accuracy of a subsea navigation system depends largely on the quality and reliability of the DVL.
See why professional users choose N