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Water sampling systems
Rosettes, Carousels, & Water Samplers
Rosettes, carousels, and water sampling systems enable precise collection of water samples at targeted depths in freshwater and marine environments. These tools support chemical, biological, and physical analyses for research, monitoring, and data validation.
Model Matrix
| Sensor | Accuracy | Resolution | Depth Rating | Sampling Rate |
|---|---|---|---|---|
| SBE 4 Conductivity Sensor | 0.0003 S/m | 0.00004 S/m at 24 samples/sec | 6800 m, 10500 m | 60 msec |
| SUNA V2 | Dependent on path length and concentration range | 500 m, 100 m | 1 Hz (1 sample/sec) | |
| SBE 27 pH/O.R.P. (Redox) Sensor | ± 0.1 pH, ± 1.0 mV O.R.P. | 1200 m | 1 sec pH, 10 msec ORP | |
| C-Star Transmissometer | 0.003 m-1 @ 1 Hz | 14 bit | 600 m, 6000 m | Up to 8 Hz |
| SBE 25plus Sealogger CTD | Conductivity: 0.0003 S/m; Temperature: 0.001 °C; Pressure: 0.1% of full scale range | Conductivity: 0.00004 S/m; Temperature: 0.0002 °C; Pressure: 0.002% of full scale range | 600 m, 6800 m | 16 Hz (16 samples/sec) |
| SBE 3 Oceanographic Temperature Sensor | 0.001 °C | 0.0003 °C @ 24 samples/sec | 3400 m, 6800 m, 10500 m | 70 msec |
| SBE 32 Carousel Water Sampler | (stated pH accuracy achievable with frequent field calibrations) | 6800 m, 7000 m, 10500 m | CTD dependent | |
| SeaFET™ V2 Ocean pH Sensor | ± 0.05 pH | 0.0001 pH | 50 m | 10 Hz |
| SBE 55 ECO Water Sampler | CTD dependent | CTD dependent | 600 m, 3500 m | CTD dependent |
| Carousel Auto Fire Module (AFM) | 6800 m |
SBE 4 Conductivity Sensor
Accuracy: 0.0003 S/m
Resolution: 0.00004 S/m at 24 samples/sec
Sampling Rate: 60 msec
Depth Rating: [6800 m, 10500 m]
SUNA V2
Accuracy: Dependent on path length and concentration range
Resolution:
Sampling Rate: 1 Hz (1 sample/sec)
Depth Rating: [500 m, 100 m]
SBE 27 pH/O.R.P. (Redox) Sensor
Accuracy: ± 0.1 pH, ± 1.0 mV O.R.P.
Resolution:
Sampling Rate: 1 sec pH, 10 msec ORP
Depth Rating: [1200 m]
C-Star Transmissometer
Accuracy: 0.003 m-1 @ 1 Hz
Resolution: 14 bit
Sampling Rate: Up to 8 Hz
Depth Rating: [600 m, 6000 m]
SBE 25plus Sealogger CTD
Accuracy: Conductivity: 0.0003 S/m; Temperature: 0.001 °C; Pressure: 0.1% of full scale range
Resolution: Conductivity: 0.00004 S/m; Temperature: 0.0002 °C; Pressure: 0.002% of full scale range
Sampling Rate: 16 Hz (16 samples/sec)
Depth Rating: [600 m, 6800 m]
SBE 3 Oceanographic Temperature Sensor
Accuracy: 0.001 °C
Resolution: 0.0003 °C @ 24 samples/sec
Sampling Rate: 70 msec
Depth Rating: [3400 m, 6800 m, 10500 m]
SBE 32 Carousel Water Sampler
Accuracy: (stated pH accuracy achievable with frequent field calibrations)
Resolution:
Sampling Rate: CTD dependent
Depth Rating: [6800 m, 7000 m, 10500 m]
SeaFET™ V2 Ocean pH Sensor
Accuracy: ± 0.05 pH
Resolution: 0.0001 pH
Sampling Rate: 10 Hz
Depth Rating: [50 m]
SBE 55 ECO Water Sampler
Accuracy: CTD dependent
Resolution: CTD dependent
Sampling Rate: CTD dependent
Depth Rating: [600 m, 3500 m]
Carousel Auto Fire Module (AFM)
Accuracy:
Resolution:
Sampling Rate:
Depth Rating: [6800 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.
ECO V2 Optical Sensor
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SBE 32 Carousel Water Sampler
The SBE 32 Carousel Water Sampler has been extensively deployed throughout the world’s oceans,...
SBE 55 ECO Water Sampler
The SBE 55 is the ideal small-boat water sampler for coastal, estuarine, and large lake ecological...
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