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Marine Biology & Water Quality Analysis

Plankton sampling, nutrient analysis, CTDs, current profiling, and water quality monitoring sensors

Marine biology and water quality analysis systems support the study and preservation of aquatic ecosystems through precise measurement of biological and chemical parameters. These technologies provide critical insights into habitat health, nutrient dynamics, and environmental change. This category includes suppliers of analytical instruments, water sampling systems, sensors, and laboratory tools used for biological assessments and environmental monitoring in marine and freshwater environments.
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Suppliers: Join the Ecosystem
Model 503 CTD CO2-Pro FT pCO2 Sensor
Crude Oils Sensor - AML Oceanographic Model 504 CTD Mini TDGP Submersible Sensor
Autonomous plankton sampling Sound Velocity Sensor - AML Oceanographic

Suppliers: Marine Biology & Water Quality Analysis

21 Leading Suppliers
Grid List
ALSEAMAR
ALSEAMAR
France (3 locations)

High-Tech Autonomous Underwater Gliders, Subsea Buoyancy Modules, and Oceanographic Survey Services

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Platinum Partner
Ocean Sonics
Ocean Sonics
Canada

Advanced Real-Time Underwater Listening Technologies & Acoustic Monitoring Solutions

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Platinum Partner
Teledyne Marine
Teledyne Marine
Denmark (6 locations)

High-Performance Instruments, Sensors & Technologies for Exploring & Monitoring Subsea Environments

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Platinum Partner
Sea-Bird Scientific
Sea-Bird Scientific
USA

High-Precision Sensors, Multiparameter CTDs & Integrated Systems for Marine Environmental Research & Monitoring

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Gold Partner
Xeos by Satlink
Xeos by Satlink
Canada

Telemetry Tracking Beacons & Equipment for Marine & Offshore Applications

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Gold Partner
MetOcean Telematics
MetOcean Telematics
Canada (3 locations)

Empowering Data Connectivity, Everywhere: Innovative Satellite Communications & Telemetry Technologies

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Gold Partner
D-2 Inc
D-2 Inc
USA

Conductivity, Temperature & Depth (CTD) Sensors for Oceanographic & Marine Survey Applications

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Gold Partner
Pro-Oceanus Systems Inc
Pro-Oceanus Systems Inc
Canada

High-Accuracy Dissolved Gas Sensors for Oceanography, Environmental Monitoring, and Oil & Gas Applications

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Gold Partner
Impact Subsea
Impact Subsea
UK (17 locations)

Innovative, High-Performance Underwater Sensing Technologies for the Marine Industry

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Gold Partner
NBOSI Ocean Sensors
NBOSI Ocean Sensors
USA

Compact and Rugged CTD Sensors for AUVs

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Gold Partner
SubCtech
SubCtech
Germany

Marine Monitoring Systems for Surface & Underwater Vessels | Advanced Power Solutions for Subsea Vehicles

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Gold Partner
Teledyne Valeport
Teledyne Valeport
UK

High-Precision Oceanographic Sensors & Hydrographic Measurement Solutions for Marine & Subsea Platforms

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Gold Partner
SatLab Geosolutions
SatLab Geosolutions
Sweden (7 locations)

Cutting-Edge Surveying, Positioning & Sensing Solutions for Hydrographic & Oceanographic Applications

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Gold Partner
PLOATECH
PLOATECH
Spain

Cutting-Edge Marine Technologies & Engineering Services for Challenging Subsea Operations

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Silver Partner
Chelsea Technologies
Chelsea Technologies
UK

Advanced Water Quality Monitoring & Environmental Sensing Solutions

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Silver Partner
AML Oceanographic
AML Oceanographic
Canada (2 locations)

Modular Hydrographic & Oceanographic Instrumentation for Survey, Research & Autonomous Marine Operations

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Silver Partner
AGISTAR
AGISTAR
France (2 locations)

Robotic & Remote-Controlled Solutions for Waste Collection, Rescue Operations, & Aquatic Data Collection

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Silver Partner
Del Mar Oceanographic
Del Mar Oceanographic
USA

Wave-Powered Rapid Vertical Profiling System for Accurate Water Column Observation

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Silver Partner
Airmar Technology Corporation
Airmar Technology Corporation
USA (4 locations)

Ultrasonic Weather Stations & Acoustic Sensing Technologies for Marine, Maritime & Offshore Applications

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Silver Partner
eSonar
eSonar
Canada

Acoustic & Sonar Technologies for Marine & Maritime Applications

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Silver Partner
CTS Corporation
CTS Corporation
USA

Temperature Sensors for Maritime Industries

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Products

48 Cutting-edge Solutions
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APEX Standard
APEX Standard

Autonomous ocean profiling float for long-duration water column monitoring

Autonomous ocean profiling float for long-duration water column monitoring
......le performance across diverse marine environments, including ice-adjacent and open-ocean regions....
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APEX BioGeoChem
APEX BioGeoChem

Biogeochemical profiling float for autonomous deep-ocean observation

Biogeochemical profiling float for autonomous deep-ocean observation
The APEX BioGeoChem (BGC) Profiling Float from Teledyne Webb Research is built for autonomous oceano...
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APEX PAM Float
APEX PAM Float

Autonomous profiling float for oceanographic research

Autonomous profiling float for oceanographic research
...tured acoustic analysis....
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Workhorse Proteus ADCP
Workhorse Proteus ADCP

Advanced ADCP for accurate oceanography and hydrology data collection

Advanced ADCP for accurate oceanography and hydrology data collection
The Workhorse Proteus from Teledyne RD Instruments is an acoustic Doppler current profiler (ADCP) fo...
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Rapid Environmental Assessment (REA) Services
Rapid Environmental Assessment (REA) Services

Real-time oceanographic data collection for underwater operations

Real-time oceanographic data collection for underwater operations
ALSEAMAR’s Rapid Environmental Assessment (REA) services deliver essential oceanographic data to s...
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SEAEXPLORER 1000
SEAEXPLORER 1000

Autonomous underwater glider for extended ocean monitoring

Autonomous underwater glider for extended ocean monitoring
The SEAEXPLORER 1000 is ALSEAMAR's latest autonomous underwater glider, incorporating major improvem...
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SEAEXPLORER 200
SEAEXPLORER 200

High-efficiency glider for shallow-water data collection

High-efficiency glider for shallow-water data collection
...na, as well as marine life. Its adaptable architecture allows seamless integration with the broader...
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Model 504 CTD
Model 504 CTD

Rectangular CTD sensor with rear-entry permanently attached cable pigtail for ROVs & ASVs

Rectangular CTD sensor with rear-entry permanently attached cable pigtail for ROVs & ASVs
......ivity measurement up to 60 mS/cm, supporting operation across a wide range of marine...
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Model 513 CTD
Model 513 CTD

Cylindrical CTD sensor with integrated electronics & bulkhead connector

Cylindrical CTD sensor with integrated electronics & bulkhead connector
...... conductivity measurement up to 60 mS/cm, supporting deployment across varied marine...
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Model 511 CTD
Model 511 CTD

Rectangular CTD sensor with integrated electronics & bulkhead connector

Rectangular CTD sensor with integrated electronics & bulkhead connector
The Model 511 CTD sensor features a rectangular design with integrated electronics for reliable meas...
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Model 501 CTD
Model 501 CTD

Rectangular CTD sensor with integrated electronics & permanently attached cable pigtail

Rectangular CTD sensor with integrated electronics & permanently attached cable pigtail
...vides research-quality CTD (conductivity, temperature and depth) data in real time, as well as...
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AUV CTD
AUV CTD

Ultra low power conductivity, temperature & depth sensor for autonomous marine platforms

Ultra low power conductivity, temperature & depth sensor for autonomous marine platforms
......l filled conductivity cell ensure reliable measurements at depth in demanding marine...
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CTD Profiler
CTD Profiler

Precision CTD Profiler for Oceanographic Platforms

Precision CTD Profiler for Oceanographic Platforms
...igh‑accuracy marine profiling instrument engineered to measure conductivity (salinity),...
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Hybrid CTD Sensor
Hybrid CTD Sensor

High-performance conductivity, temperature & depth measurement down to 11000m

High-performance conductivity, temperature & depth measurement down to 11000m
The D-2 Hybrid CTD is a unique oceanographic instrument based on patented conductivity sensing techn...
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UL-CTD Sensor
UL-CTD Sensor

Ultra-low-power conductivity, temperature & depth measurement

Ultra-low-power conductivity, temperature & depth measurement
The ultra-low-power variant of D-2's Hybrid CTD sensor provides the same accuracy and precision and ...
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NAMi
NAMi

Autonomous acoustic float for long-term underwater noise monitoring

Autonomous acoustic float for long-term underwater noise monitoring
...ata to support marine mammal studies, noise impact evaluations, and environmental assessments in...
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HydroCAT-EP V2
HydroCAT-EP V2

Compact multiparameter CTD for precise water quality analysis

Compact multiparameter CTD for precise water quality analysis
......ed for coral reef monitoring, coastal ecosystem studies, and aquaculture water quality... ...nhanced signal quality. It supports long-term unattended deployments, with calibration stability...
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ECO V2 Series
ECO V2 Series

Advanced optical sensors for full-spectrum oceanographic monitoring

Advanced optical sensors for full-spectrum oceanographic monitoring
The ECO V2 Series from Sea-Bird Scientific is a compact family of optical sensors designed to measur...
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Ares Turbidity Sensor
Ares Turbidity Sensor

Advanced optical water quality sensor for turbidity measurement

Advanced optical water quality sensor for turbidity measurement
...indications of water quality, and is ideal for environmental monitoring, oceanographic research,...
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Ares Chlorophyll-a Sensor
Ares Chlorophyll-a Sensor

Advanced optical water quality sensor for chlorophyll-a measurement

Advanced optical water quality sensor for chlorophyll-a measurement
...indications of water quality via chlorophyll concentrations, and is ideal for environmental...
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Ares Duo Sensor
Ares Duo Sensor

Advanced optical water quality sensor with turbidity and chlorophyll-a measurement

Advanced optical water quality sensor with turbidity and chlorophyll-a measurement
...indications of water quality via both turbidity and chlorophyll concentrations, and is ideal for...
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CO<sub>2</sub>-Pro ATM Dissolved Gas Sensor
CO2-Pro ATM Dissolved Gas Sensor

Dissolved CO2 measurement sensor for deployment on ocean buoys

Dissolved CO2 measurement sensor for deployment on ocean buoys
...n both surface water and air simultaneously, and is designed for integration into ocean buoys as...
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CO<sub>2</sub>-Pro FT Dissolved Gas Sensor
CO2-Pro FT Dissolved Gas Sensor

Dissolved CO2 sensor for laboratory & benchtop measurement

Dissolved CO2 sensor for laboratory & benchtop measurement
...s dissolved in water, utilizing advanced infrared detection technology. Providing long-term stable...
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Mini CO<sub>2</sub> Dissolved Gas Sensor
Mini CO2 Dissolved Gas Sensor

Miniature submersible sensor for pCO2 measurement

Miniature submersible sensor for pCO2 measurement
The Mini CO₂ instrument employs infrared detection to measure the partial pressure of CO₂ dissol...
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Mini TDGP Dissolved Gas Sensor
Mini TDGP Dissolved Gas Sensor

Miniature submersible sensor for total dissolved gas pressure measurement

Miniature submersible sensor for total dissolved gas pressure measurement
The Mini TDGP is a miniature submersible sensor that provides highly accurate measurement of the tot...
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ISD4000 Depth Sensors
ISD4000 Depth Sensors

Survey-grade depth & temperature sensors

Survey-grade depth & temperature sensors
...d close to the water. Depth data can be provided to ±0.01% or 0.005% full scale accuracy, with...
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Plankton Sampler
Plankton Sampler

Autonomous plankton sampling with chilled storage bottles

Autonomous plankton sampling with chilled storage bottles
...vironment. The water supply can be provided by the vessel or via external pump, and filter sizes can...
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Microplastic Sampler
Microplastic Sampler

Autonomous microplastics sampling and monitoring for any vessel

Autonomous microplastics sampling and monitoring for any vessel
SubCtech's compact Microplastic Sampler can be installed on a wide variety of vessels to detect minu...
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OceanPack™ RACK
OceanPack™ RACK

19" rack format water monitoring system

19" rack format water monitoring system
... an autonomous marine monitoring system with a FerryBox-style design in a 19″ rack format....
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OceanPack™ CUBE
OceanPack™ CUBE

Compact and portable ocean monitoring system

Compact and portable ocean monitoring system
...l observation. Water can be supplied via internal or external pump, providing options for...
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MIDAS CTD
MIDAS CTD

High-accuracy CTD profiler for longterm deployment

High-accuracy CTD profiler for longterm deployment
The MIDAS CTD is Valeport's premier CTD profiler, designed for use as a self-recording system and fe...
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SWiFT SVPplus Chlorophyll a
SWiFT SVPplus Chlorophyll a

Combined sound velocity measurement & fluorometer observations

Combined sound velocity measurement & fluorometer observations
...utputting high-quality sound velocity, pressure, conductivity and temperature measurements as well...
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SwiFT Deep CTD
SwiFT Deep CTD

Deep-sea CTD measurement down to 6000 metres

Deep-sea CTD measurement down to 6000 metres
The SWiFT Deep CTD profiler provides direct survey-grade measurement of conductivity, temperature an...
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HydroFlow
HydroFlow

High-accuracy acoustic Doppler current profiler

High-accuracy acoustic Doppler current profiler
...easurements of water flow for applications such as environmental monitoring, flood preparation, and...
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Water Quality Sensors
Water Quality Sensors

Modular sensing for USV-based water monitoring

Modular sensing for USV-based water monitoring
Agistar Water Quality Sensors provide a modular approach to aquatic measurement aboard USVs,...
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TriLux
TriLux

Three-in-one chlorophyll, algal pigment & turbidity monitoring

Three-in-one chlorophyll, algal pigment & turbidity monitoring
... coastal, freshwater and marine deployments....
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MicroSTAF
MicroSTAF

Fully autonomous phytoplankton productivity measurement for AUVs & uncrewed platforms

Fully autonomous phytoplankton productivity measurement for AUVs & uncrewed platforms
... that provides marine autonomous systems with a deployable phytoplankton primary productivity...
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LabSTAF
LabSTAF

Real-time in-situ assessment of phytoplankton primary productivity

Real-time in-situ assessment of phytoplankton primary productivity
...ding real-time analysis and straightforward access to primary data with minimal intervention....
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FastBallast
FastBallast

Rapid onboard ballast water testing for IMO D-2 compliance

Rapid onboard ballast water testing for IMO D-2 compliance
...reated ballast water against IMO D-2 regulations. The independently-certified system uses STAF...
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Chlorophyll A&B Blue Excitation Sensor
Chlorophyll A&B Blue Excitation Sensor

Field-swappable algal abundance measuring sensor head

Field-swappable algal abundance measuring sensor head
Part of the X2Change product range, AML’s Chlorophyll A&B Blue Excitation Sensor is a fiel...
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Sound Velocity & Temperature Sensor
Sound Velocity & Temperature Sensor

Field-swappable temperature & time-of-flight sound velocity sensor with embedded calibration

Field-swappable temperature & time-of-flight sound velocity sensor with embedded calibration
......l for a wide range of applications from long-term USV hull mounts through to deep water...
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Conductivity & Temperature Sensor
Conductivity & Temperature Sensor

Field-swappable temperature & conductivity sensor with embedded calibration

Field-swappable temperature & conductivity sensor with embedded calibration
Part of the X2Change product range, AML’s Conductivity & Temperature Sensor is a field-swa...
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Phycoerythrin (BGA) Sensor
Phycoerythrin (BGA) Sensor

Field-swappable saltwater blue-green algae detection sensor with embedded calibration

Field-swappable saltwater blue-green algae detection sensor with embedded calibration
Part of the X2Change product range, AML’s Phycoerythrin (BGA) Sensor is a field-swappable unit...
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Hull Mount Smart NMEA Sensors
Hull Mount Smart NMEA Sensors

NMEA depth, speed, attitude & temperature sensors with through-hull mounting

NMEA depth, speed, attitude & temperature sensors with through-hull mounting
......-mounted, and are ideal for a range of marine applications including fishing, racing and leisure....
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Transom Mount Smart NMEA Sensors
Transom Mount Smart NMEA Sensors

NMEA depth, speed, attitude & temperature sensors with transom mounting

NMEA depth, speed, attitude & temperature sensors with transom mounting
......-mounted, and are ideal for a range of marine applications including fishing, racing and leisure....
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Hull Mount Speed & Temperature Sensors
Hull Mount Speed & Temperature Sensors

Analog speed & temperature sensors with through-hull mounting

Analog speed & temperature sensors with through-hull mounting
...for a range of marine applications including fishing, racing and leisure....
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Transom Mount Speed & Temperature Sensors
Transom Mount Speed & Temperature Sensors

Analog speed & temperature sensors with transom mounting

Analog speed & temperature sensors with transom mounting
...for a range of marine applications including fishing, racing and leisure....
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Wirewalker
Wirewalker

Wave-Powered Rapid Vertical Profiling System

Wave-Powered Rapid Vertical Profiling System
...enhancing data quality and scientific insights.... ......sures comprehensive coverage of the ocean column, from surface dynamics to deep-water phenomena....
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Compact Surface Buoy & ADCP System Unveiled for Real-Time Ocean Monitoring
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AML-3 CTD Supports Oceanographic Studies & Seawater Profiling
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