Sea-Bird Scientific

Sea-Bird Scientific is a leading developer of high-accuracy oceanographic sensors and systems, providing instrumentation for measuring physical and biogeochemical parameters in marine environments. Known for robust, field-proven solutions, Sea-Bird Scientific serves researchers, environmental agencies, and commercial operations involved in coastal and deep-sea environmental monitoring.

Our range of CTDs, nutrient, oxygen, and pH sensors, optical sensors, radiometers, AUV/ROV sensors, water samplers, and observational systems provide measurement of salinity, temperature, pressure, dissolved oxygen, fluorescence, and related oceanographic parameters in marine and freshwater environments.

Sea-Bird Scientific supports research institutions, national agencies, oil and gas firms, environmental consultants, engineering companies, and naval organizations, contributing to studies on our changing oceans, oil spill impact, hurricanes, and a wide range of other environmental research efforts.

ECO V2 Series

Advanced optical sensors for oceanographic monitoring

The ECO V2 Series provides advanced optical sensing for demanding oceanographic and freshwater deployments. Measuring fluorescence, turbidity, and backscattering, ECO V2 sensors enable biogeochemical observation through flexible configurations and high-resolution data logging. With a wide dynamic range, onboard QA/QC, and compatibility with gliders and other platforms, the series supports reliable performance across varied environments.

Key features:

• High dynamic range – One sensor range covers all natural waters, reducing the need for multiple units.
• User-friendly software – Compatible with Windows and Mac via UCI.
• System in a sensor – Four-measurement version reduces cabling requirements, minimizes weight, and delivers better integrated data.
• Better data logging – Enhanced resolution, speed, and wider dynamic range.
• Extended deployments – Optional integrated battery packs and anti-fouling protection for depths up to 6000 m.
• FDOM sensitivity – Five times more sensitive to fluorescent dissolved organic matter.
• Consistently accurate data – Supported by onboard QA/QC processes.
• Extended battery life – Compatible with SBE 37 battery pack and easier replacement than ECO Classic.

Learn more: ECO V2 Series

Deep SeapHOx™ V2

Moored ocean monitoring system

The Deep SeapHOx™ V2 combines Sea-Bird’s precision measurement technologies into a single deep-rated instrument package for integrated pH, CTD, and oxygen sensing. Optimized for depths up to 2000 meters, it supports long-term deployments and delivers reliable, high-quality chemical and physical data.

Designed around a solid-state ISFET pH sensor, the instrument provides accurate, stable measurements suitable for critical ocean acidification and carbon cycle research. Its robust housing, integrated pump, and anti-fouling features reduce maintenance and help sustain data quality over multi-month deployments.

Key features:

• Comprehensive monitoring – Measures pH, conductivity, temperature, pressure, and optical dissolved oxygen in one package.
• Extended deployment – ISFET sensor ensures reliable long-term data collection, minimizing servicing needs.
• Versatile applications – Suitable for acidification, climate, marine biology, fisheries, and deep-sea ecosystem research.
• User-friendly design – Includes an RS-232 interface, internal memory with real-time output option, batteries or external power, and antifouling protection.

Learn more: Deep SeapHOx™ V2

HydroCAT-EP V2

Precision multiparameter CTD sensor

The HydroCAT-EP V2 is a fully integrated multiparameter CTD sensor that delivers high-quality measurements of conductivity, temperature, depth, dissolved oxygen, pH, turbidity, and chlorophyll. Designed for long-term moorings, the instrument combines multiple sensors into a single package to simplify deployment and support reliable data collection.

With field-replaceable sensors and enhanced durability for saltwater conditions, the HydroCAT-EP V2 is well suited for coastal and estuarine monitoring. Backward compatibility with previous-generation components ensures continuity for users upgrading from earlier systems.

Key features:

• System in a sensor – Integrated package reduces weight and cabling while improving data synchronization.
• Durable design – Improved sealing to mitigate corrosion in saltwater deployments.
• Backward compatible – Supports SBE 63 and HCO sensors from the HydroCAT-EP V1.

Learn more: HydroCAT-EP V2

Training & Services

In-person training can be arranged on request and tailored to suit individual operational needs. Additionally, Sea-Bird University offers recurring virtual training sessions covering everything from deployment techniques to data workflows—ideal for those looking to expand or reinforce their skillset with Sea-Bird Scientific systems.

Learn more: Training & Services

Industry Applications

Sea-Bird Scientific instrumentation supports a wide range of marine and freshwater research, monitoring, and operational needs, including:

• Biogeochemical and carbon studies: Biogeochemical monitoring, floats, harmful algal blooms (HABs), ocean carbon analysis.
• Observing and emergency response systems: Real-time ocean observing systems, stormwater tracking, oil spill monitoring.
• Freshwater and coastal monitoring: Coastal and estuarine environments, freshwater systems, dredge monitoring.
• Ecological and industrial applications: Coral reef health, ocean color and water visibility, aquaculture.