CTD Profiler for Accurate Seawater Measurement,
CTD measurement instrument, oceanographic CTD, seawater conductivity sensor, Underwater Temperature Sensor, water column profiling instrument,

CTD Profiler

Frankstar CTD is a professional hydrological observation instrument supporting maximum working depth up to 7000 meters. This equipment adopts integrated direct-reading and self-recording operating mode, characterized by high measuring accuracy, low power consumption and low flow resistance. It precisely detects seawater temperature, conductivity and depth parameters, and is widely adopted for marine hydrological monitoring, oceanographic research, port and waterway engineering and other projects. The CTD can be deployed on ocean observation stations, mooring systems, marine buoys and multi-parameter water sampling devices for long-term underwater observation.

Key Features

High-Precision Measurement

Equipped with high-performance temperature, conductivity and pressure sensors, delivering measurement accuracy reaching advanced domestic and international standards.

Deep-Sea Pressure Resistance

Optional 316 stainless steel or titanium alloy housing, supporting stable long-term underwater operation at depths up to 7000 meters.

User-Friendly Operation

Compact hardware structure matched with intuitive supporting software, enabling fast parameter configuration, real-time data check and convenient data export.

Excellent Long-Term Stability

Maintains outstanding stability for temperature, conductivity and pressure measurements, with extremely low signal drift during long-term field deployment.

Technical Specifications

Application Scenarios

Frankstar CTD profiler measures seawater temperature, conductivity and pressure to calculate salinity and density data. It is widely used for oceanographic research, coastal and offshore hydrological monitoring, offshore engineering investigation, port water environment observation. The instrument can be installed on mooring systems, ocean buoys, underwater observation stations and sampling platforms for long-term autonomous marine observation.

The Importance of Deep-Sea CTD Measurements

The ocean is characterized by significant variations in temperature, salinity, and pressure across different depths. Understanding these variations is essential for studying ocean circulation, water mass distribution, and marine environmental changes.

Deep-sea CTD instruments provide reliable measurements of seawater properties, supporting scientific investigations from coastal waters to deep-ocean environments.

What Makes a Deep-Sea CTD Instrument Important?

Deep-water measurement requires instruments designed to withstand high hydrostatic pressure and demanding marine conditions.

Important considerations include:

Pressure Resistance: The housing must be suitable for the intended operating depth.

Measurement Stability: Reliable temperature and conductivity measurements are essential for scientific data collection.

Corrosion Resistance: Marine-compatible materials, such as titanium alloy, can improve durability in seawater environments.

Data Acquisition: Different operating modes can support real-time measurement or autonomous data logging.

System Compatibility: Suitable interfaces help integrate CTD instruments into oceanographic platforms and research systems.

Main Applications of Deep-Sea CTD Instruments

Deep-Ocean Exploration: Collecting seawater profiles at different depths.

Marine Scientific Research: Supporting ocean circulation and water mass studies.

Underwater Environmental Monitoring: Observing temperature and salinity variations.

Offshore Engineering: Providing seawater measurement data for marine projects.

Oceanographic Surveys: Supporting ship-based and underwater measurement campaigns.

Frankstar Deep-Water CTD Solutions

Frankstar provides CTD instruments for oceanographic measurement and marine environmental monitoring.

Our CTD product range includes solutions with different depth ratings, housing materials, and operating modes. For example, the FS-CTD-S CTD Profiler offers a rated operating depth of up to 6,000 meters, titanium alloy housing, and both real-time and self-contained logging capabilities.

Contact Frankstar to discuss your measurement depth, accuracy requirements, and system integration needs.