High-Precision Oceanographic CTD Profiler – Compact Conductivity, Temperature & Depth Sensor

Short Description:

Frankstar CTD is a professional hydrological observation instrument with a working depth of up to 7,000 meters. The device adopts an integrated direct-reading & self-recording mode, featuring high accuracy, low power consumption, and low flow resistance. It can accurately measure water temperature, conductivity, and depth parameters, and is applicable in marine hydrological monitoring, oceanographic research, port and waterway engineering, and other fields. It is suitable for use with ocean stations, moorings, buoys, and multi-parameter water samplers.


Product Detail

Product Tags

High-Precision Oceanographic CTD Profiler – Compact Conductivity, Temperature & Depth Sensor,
Coastal & Deep-Sea Monitoring, Conductivity Temperature Depth Sensor, Hydrological CTD, Ocean Monitoring Sensor, Oceanographic CTD Profiler, Real-Time Marine Sensor, Water Quality Profiler,
Key Features

High-precision Measurement

Adopts high-precision conductivity, temperature, and pressure sensors, achieving an accuracy level advanced both domestically and internationally.l

Deep-Sea Pressure Resistance

 Uses a 316 stainless steel or titanium alloy casing, enabling long-term stable operation at depths of up to 7,000 meters.l

Easy Operation

The hardware is compact and user-friendly, with an intuitive software interface that allows for quick parameter configuration, data viewing, and export.l

High Stability

Exhibits excellent stability in temperature, conductivity, and pressure measurements, with minimal drift over time.

Technical Specifications

Temperature Range: -5°C ~ 45°C
Accuracy: ±0.002 ℃
Resolution: 0.0001 ℃
Stability: 0.002℃/ year
Conductivity
(electromagnetic type)
Range: 0~75 mS/cm
Accuracy: ±0.005 mS/cm
Resolution: 0.0001 mS/cm
Stability: 0.005 mS/cm/month
Depth Range: 0~75 MPa
Accuracy: ±0.05% FS
Resolution: 0.001% FS
Stability: 0.05% FS/year
Applicable Depth 2000m/7000m
Housing Material 2000m/7000m: Titanium Alloy
Operating Mode Direct-reading & Self-recording Integrated Type
Sampling Frequency 1Hz/2Hz/4Hz/8Hz
Communication RS/232/RS-485
Power Supply Built-in 8 pieces of 3.6V Li-SOCl₂ batteries, external power supply supported
Standard Battery Life 150 days (continuous sampling)
Operating Power Consumption 0.3W@12V
Storage 32G
Response Time 100ms
Dimensions Φ62mm × 503mm
Weight 3.6kg

The Oceanographic CTD Profiler is a high-precision, low-power marine instrument engineered for real-time measurement of Conductivity, Temperature, and Depth (Pressure) in both oceanographic and freshwater environments.

Designed for rigorous field deployment, it delivers reliable salinity and depth profiling for long-term monitoring buoys, unmanned surface vessels (USVs), underwater gliders, and vertical profiling systems.

Key Features & Advantages:
• High Accuracy & Stability: Precision-calibrated sensors deliver high-resolution CTD data for marine environmental monitoring, climate research, and hydrological surveys.
• Compact & Low Power Consumption: Ultra-compact, lightweight housing ideal for integration into ocean buoys, AUVs, and remote telemetry stations.
• Flexible Data Integration: Supports standard industrial communication interfaces (RS232/RS485) and standard protocols for seamless plug-and-play integration with data loggers and satellite telemetry.
• Durable & Corrosion-Resistant: Built with high-strength titanium or polyacetal housings to withstand harsh marine environments and deep-sea pressures.

Applications:
- Real-time oceanographic & coastal monitoring buoys
- Marine scientific research & water column profiling
- Aquaculture water quality assessment
- Hydrological & environmental risk monitoring


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