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Marine Biology & Water Quality Analysis

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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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High Accuracy Pressure Sensor - AML Oceanographic

Leading CTD sensor for deep-sea and challenging conditions

20 Leading Suppliers

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ALSEAMAR

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

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Ocean Sonics

Advanced Real-Time Underwater Listening Technologies & Acoustic Monitoring Solutions

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Teledyne Marine

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

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Sea-Bird Scientific

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

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Xeos by Satlink

Telemetry Tracking Beacons & Equipment for Marine & Offshore Applications

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MetOcean Telematics

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

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D-2 Inc

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

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Pro-Oceanus Systems Inc

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

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Impact Subsea

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

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NBOSI Ocean Sensors

Compact and Rugged CTD Sensors for AUVs

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SubCtech

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

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Teledyne Valeport

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

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SatLab Geosolutions

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

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AML Oceanographic

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

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AGISTAR

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

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Del Mar Oceanographic

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

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Airmar Technology Corporation

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

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eSonar

Acoustic & Sonar Technologies for Marine & Maritime Applications

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Chelsea Technologies

Environmental Monitoring Sensors and Systems

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CTS Corporation

Temperature Sensors for Maritime Industries

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40 Cutting-edge Solutions

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SEAEXPLORER 1000

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

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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Workhorse Proteus ADCP

Advanced ADCP for accurate oceanography and hydrology data collection

The Workhorse Proteus is an advanced ADCP (acoustic Doppler current profiler) designed to gather the...

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Model 504 CTD

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

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

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

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

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

Precision CTD Profiler for Oceanographic Platforms

...igh‑accuracy marine profiling instrument engineered to measure conductivity (salinity),...

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Hybrid CTD Sensor

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

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

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

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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Ares Turbidity Sensor

Advanced optical water quality sensor for turbidity measurement

...indications of water quality, and is ideal for environmental monitoring, oceanographic research,...

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Roby X

Re-usable surface current tracker with Iridium SBD

...lls, and other marine events. With two-way command and control via Iridium Short Burst Data, the...

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Ares Chlorophyll-a Sensor

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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Osker X

Single-use surface current tracker with Iridium SBD

...lls, and other marine events. With two-way command and control via Iridium Short Burst Data, the...

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CO<sub>2</sub>-Pro CV Dissolved Gas Sensor

CO₂-Pro CV Dissolved Gas Sensor

Dissolved CO₂ measurement sensor for submersible & deep-sea applications

The CO₂-Pro CV sensor delivers highly accurate measurements of dissolved CO₂ partial pressure us...

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CO₂-Pro ATM Dissolved Gas Sensor

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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CO₂-Pro FT Dissolved Gas Sensor

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

The Mini CO₂ instrument employs infrared detection to measure the partial pressure of CO₂ dissol...

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ISD4000 Depth 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

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

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

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

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

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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MIDAS ECM

Multiparameter current meter for autonomous or cable deployment

The MIDAS ECM is a multiparameter current meter that can be deployed autonomously or with up to seve...

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SWiFT SVPplus Chlorophyll a

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

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

High-accuracy acoustic Doppler current profiler

...easurements of water flow for applications such as environmental monitoring, flood preparation, and...

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Endura-6

Infinite-endurance profiler system with six sensor ports

AML’s Endura-6 Logger is a connector-free and wirelessly charged profiling instrument that has...

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Sound Velocity & Temperature Sensor

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

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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High Accuracy Conductivity & Temperature Sensor

Field-swappable temperature & conductivity sensor with embedded calibration

......plications with minimal changes in the environment or in deep water when the full scale is...

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Hull Mount Smart NMEA Sensors

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

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

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

Analog speed & temperature sensors with transom mounting

...for a range of marine applications including fishing, racing and leisure....

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Wirewalker

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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Refreshed Profiling Platform Standardizes Controls

The new V2 platform from AML Oceanographic updates trusted profiling systems with industry-standard PLC controls and a simplified architecture, mitigating component obsolescence while improving long-term system serviceability and operational safety parameters

Jun 25, 2026

Wastewater Treatment Monitoring with Dissolved Gas Sensors

Pro-Oceanus Systems’ CO₂, CH₄, and TDGP dissolved gas sensors are used in wastewater treatment monitoring, supporting the assessment of greenhouse gas emissions and key process conditions in both new and existing treatment facilities

May 27, 2026

NBOSI 500 Series CTD Sensors Provide Research-Quality Oceanographic Measurements

NBOSI’s 500 Series CTD sensors combine compact construction, precision electronics, and configurable designs to provide research-quality oceanographic measurements for subsea integration applications

May 13, 2026

Long Term Acoustic Monitoring of Arctic Underwater Noise Across Seasons

Ocean Sonics outlines how nearly a decade of acoustic monitoring at Cambridge Bay, Nunavut reveals increasing and more complex Arctic underwater noise across seasons, including contributions beyond summer vessel activity

May 01, 2026

AGISTAR USVSTAR A300 for Autonomous Water Sampling in Marine Environments

AGISTAR's USVSTAR A300 is an autonomous surface vehicle designed to streamline water sampling, supporting rapid, repeatable collection while maintaining sample integrity across a range of marine environments

Apr 27, 2026

Nortek & OGEQUIP Partner to Enhance Subsea Sensor Support in Brazil

Nortek and OGEQUIP collaborate to deliver localized technical support and hyperbaric testing for subsea sensors in Brazil

Apr 07, 2026

Beach Buoy Launched for Real-Time Water Quality & Environmental Monitoring

OSIL has released a series of "Beach Buoys" equipped with integrated sensors and telemetry systems to enable continuous remote monitoring of key water quality parameters, supporting pollution detection, regulatory compliance, and safe recreational water use

Mar 31, 2026

Nortek Eco ADCP Captures Rare Tsunami Current Data & River Interactions

A rapid-response scientific team successfully deployed a Nortek Eco ADCP in the Valdivia River to record the rare interaction between tsunami waves, tidal processes, and fluvial currents for improved predictive modeling

Mar 23, 2026

Monitoring Dissolved Gases in Freshwater Environments

Pro-Oceanus Systems discusses dissolved gas dynamics in freshwater environments such as lakes and rivers, and outlines how its Mini-Series sensors are used to monitor concentrations of gases including CO₂ and CH₄

Mar 19, 2026

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