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Water Quality
Industry-leading smart sensors
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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.
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TS210 Temperature String
The NexSens TS210 Temperature String provides high precision measurements for profiling in lakes, streams, and coastal waters.
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LDI ALGAE ROW Non-Contact Chlorophyll-a Detector
The LDI ALGAE ROW is a non-contact instrument that monitors the concentration of chlorophyll-a in real time for harmful algal bloom (HAB) detection.
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LDI ROW Aluminum Non-Contact Oil Detector
The LDI ROW Aluminum Oil Detector is an autonomous non-contact sensor for the detection of oil on water in industrial and environmental applications.
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LDI ROW ATEX EXD Non-Contact Oil Detectors
The ROW ATEX EXD is an autonomous non-contact sensor for the detection of oil on water in hazardous areas, including Zone 1 designations.
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LDI ROW Stainless Steel Non-Contact Oil Detectors
The ROW Stainless Steel is an autonomous non-contact sensor for the detection of oil on water in corrosive conditions including oil terminals and marine environments.
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LI-COR LI-192 Underwater PAR Sensor
The LI-COR LI-192 Underwater PAR Sensor accurately measures photosynthetically active radiation (PAR) in freshwater or saltwater environments.
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LI-COR LI-193 Underwater Spherical PAR Sensor
The LI-COR LI-193 Underwater Spherical Quantum sensor accurately measures photon flux from all directions and gives an added dimension to underwater PAR measurements.
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Pro-Oceanus Mini Dissolved CH4 Probe
The Pro-Oceanus Mini CH4 probe is a rugged dissolved methane sensor designed for ocean pipeline leak detection, groundwater, and industrial use.
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Pro-Oceanus Mini Dissolved CO2 Probe
The Pro-Oceanus Mini CO2 probe is a flexible instrument designed for dissolved CO2 measurements and is ideally suited for high-variability environments.
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Pro-Oceanus Mini TDGP Probe
The Pro-Oceanus Mini TDGP probe is an accurate and reliable total dissolved gas pressure sensor for all conditions and applications.
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Pro-Oceanus Solu-Blu Dissolved CH4 Probe
The Pro-Oceanus Solu-Blu dissolved CH4 probe can be used for long-term continuous in-situ monitoring to provide dissolved methane data.
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Pro-Oceanus Solu-Blu Dissolved CO2 Probe
The Pro-Oceanus Solu-Blu Dissolved CO2 probe can be used for long-term continuous in-situ monitoring to provide reliable free dissolved carbon dioxide data.
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Pro-Oceanus Solu-Blu TDG Probe
The Pro-Oceanus Solu-Blu total dissolved gas (TDG) probe can be used for long-term continuous in-situ monitoring to provide reliable dissolved gas pressure measurements.
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Proteus Multi-Parameter Water Quality Sensors
The Proteus is a multi-parameter sensor platform designed to complete accurate and reliable measurements of BOD, COD, TOC and Coliforms (total, E. coli or fecal) in temporary and permanent applications.
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Sea-Bird Scientific ECO PAR Sensor
The Sea-Bird Scientific ECO PAR sensor provides highly accurate measurements of photosynthetically available radiation (400–700 nm) in all aquatic environments.
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Sea-Bird Scientific HydroCAT CTD
The Sea-Bird Scientific HydroCAT CTD is ideally suited for extended deployments in remote, biologically rich environments.
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Seametrics CT2X Conductivity Loggers
The Seametrics CT2X is a conductivity and temperature sensor with built-in data logging and optional water level sensor.
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Seametrics DO2 Dissolved Oxygen Logger
The Seametrics DO2 is an optical dissolved oxygen sensor with built-in data logger for unattended DO monitoring applications.
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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.
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Seametrics TempHion Bromide Logger
The Seametrics TempHion Bromide Logger is a submersible water quality sensor and data logger that includes a bromide sensing element and a thermistor-based temperature element.
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Seametrics TempHion pH/ORP Loggers
The Seametrics TempHion is a submersible water quality sensor and data logger that includes a pH/ORP element and a thermistor-based temperature element.
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Seametrics Turbo Turbidity Loggers
The Seametrics Turbo turbidity logger measures a wide range of NTUs, making it a versatile device capable of deployment at many different sites.
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Sequoia LISST-ABS Acoustic Sediment Sensor
The Sequoia LISST-ABS Acoustic Sediment Sensor is a low-cost sensor designed specifically for measuring suspended sediment concentration at a single point.
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Sequoia LISST-AOBS Super-Turbidity Sensor
The Sequoia LISST-AOBS is a simple, low-cost Super-Turbidity sensor to measure suspended sediment concentration (SSC; mg/l) and turbidity (V).
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TriOS NICO plus UV Nitrate Sensor
The new NICO plus has been expanded to not only measure nitrate, but also UVT254, UVT254n, SAK254, CSBeq, BSBeq, TOCeq, DOCeq, turbidity and TSSeq.
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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.
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TriOS OPUS UV Spectral Sensor
The TriOS OPUS is a full spectrum sensor that can deliver reliable readings for nitrate, nitrite, COD, BOD, DOC, TOC, and a number of other parameters.
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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.
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Turner Designs C6P Submersible Fluorometer
The Turner Designs C6P Submersible Fluorometer can be configured with up to six optical sensors ranging from the deep ultraviolet to the infrared spectrum.
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Turner Designs Cyclops-7F Submersible Sensors
The Turner Designs Cyclops-7F submersible sensor is a high performance and compact fluorometer designed for integration into any platform that supplies power and data logging.
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YSI EXO1 Multi-Parameter Water Quality Sonde
The YSI EXO1 sonde includes four sensor ports (sensors sold separately) with internal data logging and battery power.
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YSI EXO1s Multi-Parameter Water Quality Sonde
The YSI EXO1s is a compact, batteryless sonde that comes with the same capabilities as the EXO1 and is ideal for specialized applications where external power is supplied.
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YSI EXO2 Multi-Parameter Water Quality Sonde
The YSI EXO2 sonde includes six sensor ports (sensors sold separately) and a central anti-fouling wiper option.
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YSI EXO2s Multi-Parameter Water Quality Sonde
The YSI EXO2s is a compact, batteryless sonde that comes with the same capabilities as the EXO2, and is ideal for specialized applications where external power is supplied.
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YSI EXO3 Multi-Parameter Water Quality Sonde
The YSI EXO3 is purpose-built for monitoring major water quality parameters, including pH, conductivity, temperature, turbidity and dissolved oxygen.
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YSI EXO3s Multi-Parameter Water Quality Sonde
The YSI EXO3s is a compact, batteryless sonde that comes with the same capabilities as the EXO3, and is ideal for specialized applications where external power is supplied.
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YSI ODO RTU Optical Dissolved Oxygen Sensors
The YSI ODO RTU utilizes the most advanced DO technology with RS-485 Modbus output for aquaculture, hydroelectric, and many more dissolved oxygen monitoring applications.
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YSI ProSwap Logger
Designed for use with any single ProDSS Digital Smart Sensor, ProSwap Logger is cost-effective and customizable water quality and level monitoring solution.