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Integrated Ocean & Freshwater
Integrated Systems
Sea-Bird Scientific builds integrated systems that connect trusted sensors, platforms, and software to deliver defensible data in ocean and freshwater. From moored buoys and profiling rosettes to AUV/ROV payloads, our modular CTDs and biogeochemical sensors work seamlessly with telemetry and software for setup, processing, and visualization. Backed by calibration, service, and expert support, we partner with you to generate usable, decision-ready insights. Together, we advance science for better waterways.
Model Matrix
| Sensor | Accuracy | Resolution | Depth Rating | Sampling Rate |
|---|---|---|---|---|
| SBE 16plus V2 SeaCAT CTD | Conductivity ± 0.0005 S/m Temperature ± 0.005 °C Optional Pressure Strain-gauge ± 0.1% of full scale rang | Resolution Conductivity 0.00005 S/m typical Temperature 0.0001 °C Optional Pressure Strain-gauge 0.002% of full scale range; Quartz 0.0006% of full scale range for 1-sec integration | 600 m, 10500 m | 10-14 seconds From user manual |
| SeapHOx™ V2 Ocean pH Sensor | Conductivity ± 0.0003 S/m (0.003 mS/cm) Temperature ± 0.002 °C (-5 to to 35 °C); ± 0.01 °C (35 °C to 45 °C) Optional Pressure ± 0.1% of full scale range Dissolved Oxygen larger of ± 3 µmol/kg (0.07 ml/L, 0.1 mg/L) or ± 2% pH ± 0.05 pH | Conductivity 0.00001 S/m (0.0001 mS/cm) Temperature 0.0001 °C Optional Pressure 0.002% of full scale range Dissolved Oxygen 0.2 µmol/kg pH 0.004 pH | 50 m | 5 minutes to 24 hours |
| Glider Payload CTD (GPCTD) | Conductivity In calibration range: ±0.0003 S/m; Outside calibration range: ±0.0010 S/m 1 Temperature 0 - 5 VDC (SBE 43), frequency (SBE 43F) Pressure In calibration range: ±0.1% of full scale range | Conductivity 0.00001 S/m Temperature 0.001 °C Pressure 0.002% of full scale range | 350 m, 1500 m | 1 Hz (1 sample/sec) maximum |
| SBE 19plus V2 SeaCAT CTD | Conductivity ± 0.0005 S/m Temperature ± 0.005 °C, Strain-gauge ± 0.1% of full scale range; Quartz ± 0.02% of full scale range | Conductivity 0.00005 S/m typical Temperature 0.0001 °C Pressure Strain-gauge 0.002% of full scale range; Quartz 0.0025% of full scale range | 600 m, 7000 m, 10500 m | Profiling: 4 Hz (strain-gauge pressure) or 2 Hz (Quartz pressure) |
| Deep SeapHOx™ V2 pH Sensor | Conductivity ± 0.0003 S/m (0.003 mS/cm) Temperature ± 0.002 °C (-5 to to 35 °C); ± 0.01 °C (35 °C to 45 °C) Optional Pressure ± 0.1% of full scale range Dissolved Oxygen larger of ± 3 µmol/kg (0.07 ml/L, 0.1 mg/L) or ± 2% pH ± 0.05 pH | Conductivity 0.00001 S/m (0.0001 mS/cm) Temperature 0.0001 °C Optional Pressure 0.002% of full scale range Dissolved Oxygen 0.2 µmol/kg pH 0.004 pH | 2000 m | 5 minutes to 24 hours |
| HydroCAT-EP V2 Multiparameter CTD Sensor | See datasheet | See datasheet | 350 m | 6-33 sec/sample |
| Slocum Glider Payload CTD | Conductivity: 0.0003 S/m; Temperature: 0.002 °C; Pressure: 0.1% of full scale range | Conductivity: 0.00001 S/m; Temperature: 0.001 °C; Pressure: 0.002% of full scale range | 2000 m | 1/2 Hz |
| SBE 37 MicroCAT | Conductivity ± 0.0003 S/m (0.003 mS/cm), Temperature ± 0.002 °C (-5 to to 35 °C); ± 0.01 °C (35 °C to 45 °C), Dissolved Oxygen larger of ± 3 μmol/kg (0.07 ml/L, 0.1 mg/L) or ± 2% Optional Pressure ± 0.1% of full scale range | Conductivity 0.00001 S/m (0.0001 mS/cm), Temperature 0.0001 °C, Dissolved Oxygen 0.2 μmol/kg, Optional Pressure 0.002% of full scale range | 350 m, 7000 m | 2.4-3.2 sec/sample |
| HydroCAT-SMP | Conductivity: ±0.003 mS/cm, Temperature: ±0.002 °C (-5–35 °C), Pressure: ±0.1% full scale range, Oxygen: ±0.2 mg/L or ±2%, whichever is greater | Conductivity: 0.0001 mS/cm, Temperature: 0.0001 °C, Pressure: 0.002% full scale range, Oxygen: 0.005 ml/L | 350 m |
SBE 16plus V2 SeaCAT CTD
Accuracy: Conductivity ± 0.0005 S/m Temperature ± 0.005 °C Optional Pressure Strain-gauge ± 0.1% of full scale rang
Resolution: Resolution Conductivity 0.00005 S/m typical Temperature 0.0001 °C Optional Pressure Strain-gauge 0.002% of full scale range; Quartz 0.0006% of full scale range for 1-sec integration
Sampling Rate: 10-14 seconds From user manual
Depth Rating: [600 m, 10500 m]
SeapHOx™ V2 Ocean pH Sensor
Accuracy: Conductivity ± 0.0003 S/m (0.003 mS/cm)
Temperature ± 0.002 °C (-5 to to 35 °C);
± 0.01 °C (35 °C to 45 °C)
Optional Pressure ± 0.1% of full scale range
Dissolved Oxygen larger of ± 3 µmol/kg (0.07 ml/L, 0.1 mg/L)
or ± 2%
pH ± 0.05 pH
Resolution: Conductivity 0.00001 S/m (0.0001 mS/cm)
Temperature 0.0001 °C
Optional Pressure 0.002% of full scale range
Dissolved Oxygen 0.2 µmol/kg
pH 0.004 pH
Sampling Rate: 5 minutes to 24 hours
Depth Rating: [50 m]
Glider Payload CTD (GPCTD)
Accuracy: Conductivity In calibration range: ±0.0003 S/m; Outside calibration range:
±0.0010 S/m 1
Temperature 0 - 5 VDC (SBE 43), frequency (SBE 43F)
Pressure In calibration range: ±0.1% of full scale range
Resolution: Conductivity 0.00001 S/m
Temperature 0.001 °C
Pressure 0.002% of full scale range
Sampling Rate: 1 Hz (1 sample/sec) maximum
Depth Rating: [350 m, 1500 m]
SBE 19plus V2 SeaCAT CTD
Accuracy: Conductivity
± 0.0005 S/m
Temperature
± 0.005 °C, Strain-gauge ± 0.1% of full scale range; Quartz ± 0.02% of full scale range
Resolution: Conductivity
0.00005 S/m typical
Temperature
0.0001 °C
Pressure
Strain-gauge 0.002% of full scale range; Quartz 0.0025% of full scale range
Sampling Rate: Profiling: 4 Hz (strain-gauge pressure) or 2 Hz (Quartz pressure)
Depth Rating: [600 m, 7000 m, 10500 m]
Deep SeapHOx™ V2 pH Sensor
Accuracy: Conductivity ± 0.0003 S/m (0.003 mS/cm)
Temperature ± 0.002 °C (-5 to to 35 °C);
± 0.01 °C (35 °C to 45 °C)
Optional Pressure ± 0.1% of full scale range
Dissolved Oxygen larger of ± 3 µmol/kg (0.07 ml/L, 0.1 mg/L)
or ± 2%
pH ± 0.05 pH
Resolution: Conductivity 0.00001 S/m (0.0001 mS/cm)
Temperature 0.0001 °C
Optional Pressure 0.002% of full scale range
Dissolved Oxygen 0.2 µmol/kg
pH 0.004 pH
Sampling Rate: 5 minutes to 24 hours
Depth Rating: [2000 m]
HydroCAT-EP V2 Multiparameter CTD Sensor
Accuracy: See datasheet
Resolution: See datasheet
Sampling Rate: 6-33 sec/sample
Depth Rating: [350 m]
Slocum Glider Payload CTD
Accuracy: Conductivity: 0.0003 S/m; Temperature: 0.002 °C; Pressure: 0.1% of full scale range
Resolution: Conductivity: 0.00001 S/m; Temperature: 0.001 °C; Pressure: 0.002% of full scale range
Sampling Rate: 1/2 Hz
Depth Rating: [2000 m]
SBE 37 MicroCAT
Accuracy: Conductivity ± 0.0003 S/m (0.003 mS/cm), Temperature ± 0.002 °C (-5 to to 35 °C); ± 0.01 °C (35 °C to 45 °C), Dissolved Oxygen larger of ± 3 μmol/kg (0.07 ml/L, 0.1 mg/L) or ± 2% Optional Pressure ± 0.1% of full scale range
Resolution: Conductivity 0.00001 S/m (0.0001 mS/cm), Temperature 0.0001 °C, Dissolved Oxygen 0.2 μmol/kg, Optional Pressure 0.002% of full scale range
Sampling Rate: 2.4-3.2 sec/sample
Depth Rating: [350 m, 7000 m]
HydroCAT-SMP
Accuracy: Conductivity: ±0.003 mS/cm, Temperature: ±0.002 °C (-5–35 °C), Pressure: ±0.1% full scale
range, Oxygen: ±0.2 mg/L or ±2%,
whichever is greater
Resolution: Conductivity: 0.0001 mS/cm, Temperature: 0.0001 °C, Pressure: 0.002% full scale
range, Oxygen: 0.005 ml/L
Sampling Rate:
Depth Rating: [350 m]
Our Solutions
Discover our most trusted oceanographic and freshwater instruments, designed for accuracy and durability. Explore top-performing models that meet diverse research and monitoring needs worldwide.
SBE 37 MicroCAT
The SBE 37 MicroCAT is a high-accuracy conductivity and temperature (pressure optional) recorder...
Deep SeapHOx™ V2 pH Sensor
The Deep SeapHOx™ V2 combines the SeaFET™ V2 pH sensor with the SBE 37 MicroCAT CTD sensor. The...
HydroCAT-EP V2 Multiparameter CTD Sensor
Factory calibration and streamlined reference checks enable users to generate scientifically...
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