Water Quality

Industry-leading smart sensors

T-Node FR Temperature Sensor
The NexSens T-Node FR Temperature Sensor provides high precision measurements in a connectorized and addressable architecture for water quality profiling.
TS210 Temperature String
The NexSens TS210 Temperature String provides high precision measurements for profiling in lakes, streams, and coastal waters.
AML Oceanographic Micro-X Single Parameter Instrument
Micro-X is a single parameter instrument designed to accommodate the AML Xchange sensors (temperature, turbidity, etc.) for long-term monitoring applications.
In-Situ Aqua TROLL 100 Conductivity Logger
The In-Situ Aqua TROLL 100 conductivity logger simultaneously measures and logs temperature and conductivity. It can be used as an autonomous logger or integrated with a remote telemetry system.
In-Situ Aqua TROLL 200 Water Level & Conductivity Logger
The In-Situ Aqua TROLL 200 instrument simultaneously measures and logs water level, conductivity and temperature.
In-Situ Aqua TROLL 400 Multi-Parameter Probe
The Aqua TROLL 400 is an all-in-one multi-parameter process probe that measures 12 water parameters.
In-Situ RDO PRO-X Optical Dissolved Oxygen Sensor
The In-Situ RDO PRO-X Optical Dissolved Oxygen Sensor uses the latest luminescent technology to measure dissolved oxygen (DO) in demanding environments.
LI-COR LI-192 Underwater PAR Sensor
The LI-COR LI-192 Underwater PAR Sensor Quantum sensor accurately measures photosynthetically active radiation (PAR) in freshwater or saltwater environments.
LI-COR LI-193 Underwater Spherical PAR Sensor
The LI-COR LI-193 Underwater Spherical Quantum sensor accurately gives an added dimension to underwater PAR measurements.
Observator ANALITE NEP5000 Turbidity Sensor
The ANALITE NEP5000 digital turbidity sensor with integrated wiping is designed for environmental monitoring and process applications.
Sea-Bird Scientific ECO PAR Sensor
The ECO PAR sensor provides highly accurate measurements of photosynthetically available radiation (400–700 nm) in all aquatic environments.
Sea-Bird Scientific HydroCAT CTD
The Sea-Bird Scientific HydroCAT CTD is ideally suited for extended deployments in remote, biologically rich environments.
Seametrics CT2X Conductivity Loggers
The Seametrics CT2X is a conductivity and temperature sensor with built-in data logging and optional water level sensor.
Seametrics DO2 Dissolved Oxygen Logger
Seametrics' DO2 is an optical dissolved oxygen sensor with built-in data logger for unattended DO monitoring applications.
Seametrics Multi-Parameter Water Quality Loggers
The Seametrics Multi-Parameter Logger is available in 5 configurations to measure combinations of water level, conductivity, pH, ORP, dissolved oxygen, turbidity, and temperature.
Seametrics T1 Temperature Sensor
Offering both SDI-12 and Modbus interfaces, the Seametrics T1 is a smart choice for upgrading to digital and replacing analog temperature sensors.
Seametrics TempHion Bromide Logger
The TempHion Bromide Logger is a submersible water quality sensor and data logger that includes a bromide sensing element and a thermistor-based temperature element.
Seametrics TempHion pH/ORP Loggers
The TempHion is a submersible water quality sensor and data logger that includes a pH/ORP element as well as one thermistor-based temperature element.
Seametrics Turbo Turbidity Loggers
Seametrics' Turbo turbidity logger measures a wide range of NTUs, making it a versatile device capable of deployment at many different sites.
Sequoia LISST-ABS Acoustic Sediment Sensor
The LISST-ABS from Sequoia Scientific is a low-cost sensor designed specifically for measuring suspended sediment concentration at a single point.
Sequoia LISST-AOBS Super-Turbidity Sensor
The LISST-AOBS Super-Turbidity sensor is a patent pending, simple, low-cost sensor to measure suspended sediment concentration (SSC).
TriOS NICO UV Nitrate Sensor
The TriOS NICO is a low-cost UV photometer for online measurement of nitrate in lakes/rivers, drinking water, and wastewater applications.
TriOS OPUS UV Spectral Sensor
OPUS is a full spectrum sensor that can deliver reliable readings for nitrate, nitrite, COD, BOD, DOC, TOC, and a number of other parameters.
Turner Designs C3 Submersible Fluorometer
The Turner Designs C3 Submersible Fluorometer is designed to incorporate up to three optical sensors ranging from the ultraviolet to the infrared spectrum.
Turner Designs C6P Submersible Fluorometer
The C6P Submersible Fluorometer can be configured with up to six optical sensors ranging from the deep ultraviolet to the infrared spectrum.
Turner Designs Cyclops-7F Submersible Sensors
The Cyclops-7F submersible sensor is a high performance and compact fluorometer designed for integration into any platform that supplies power and data logging.
YSI 600OMS V2 Optical Monitoring Sonde
The YSI 600OMS V2 measures dissolved oxygen, turbidity, chlorophyll, blue-green algae, or rhodamine in a low-cost package.
YSI EXO1 Multi-Parameter Water Quality Sonde
The YSI EXO represents the next generation of water quality instruments from YSI. The EXO1 sonde includes four sensor ports with internal data logging and battery power.
YSI EXO2 Multi-Parameter Water Quality Sonde
The YSI EXO represents the next generation of water quality instruments from YSI. The EXO2 sonde includes six sensor ports and a central anti-fouling wiper option.
YSI EXO3 Multi-Parameter Water Quality Sonde
EXO3 is a purpose-built sonde for monitoring major water quality parameters, including: pH, conductivity, temperature, turbidity and dissolved oxygen.