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.
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.
|
Parameter |
Specification |
|
Temperature |
Range: -5 °C ~ 45 °C |
|
Conductivity (Electromagnetic Type) |
Range: 0 ~ 75 mS/cm |
|
Depth (Pressure) |
Range: 0 ~ 75 MPa |
|
Applicable Depth Rating |
2000 m / 7000 m optional |
|
Housing Material |
2000m version: 316L Stainless Steel |
|
Operating Mode |
Integrated Direct-reading & Self-recording Type |
|
Sampling Frequency |
1 Hz / 2 Hz / 4 Hz / 8 Hz |
|
Communication Interface |
RS232 / RS485 |
|
Power Supply |
Built-in 8 × 3.6 V Li-SOCl₂ batteries; External power supply supported |
|
Standard Battery Duration |
150 days under continuous sampling |
|
Operating Power Consumption |
0.3 W @ 12 V |
|
Internal Storage |
32 GB |
|
Response Time |
100 ms |
|
Dimension |
Φ62 mm × 503 mm |
|
Weight |
3.6 kg |
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.