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SBE 19plus V2 SeaCAT CTD
The SBE 19plus V2 SeaCAT measures conductivity, temperature, and pressure at 4 scans/sec (4 Hz) and provides high accuracy and resolution, reliability, and ease-of-use for a wide range of research, monitoring, and engineering applications. Pump-controlled, T-C ducted flow minimizes salinity spiking caused by ship heave and allows for slow descent rates without slowing sensor responses, improving dynamic accuracy and resolving small scale structure in the water column. The 19plus V2 supports numerous auxiliary sensors including dissolved oxygen, pH, turbidity, fluorescence, oil-in-water, PAR, nitrates, and altimeter, with six A/D channels and one RS-232 data channel. Nine alkaline D-cells provide power for up to 60 hours of profiling.
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SBE 19plus V2: Trusted Profiling Performance
The SBE 19plus V2 delivers high‑accuracy CTD measurements with pumped T‑C ducted flow for minimized salinity spiking and superior profiling. With 4 Hz sampling, multi‑sensor expandability, and 60‑hour battery life, it’s a reliable, field‑proven profiler.
Key Features
- Unique internal-field conductivity cell permits use of T-C duct, minimizing salinity spiking.
- Aged and pressure-protected thermistor has a long history of exceptional accuracy and stability.
- Pressure sensor with temperature compensation is available in eight strain-gauge ranges (to 7000 m) and eleven Digiquartz® ranges (to 10,500 m).
- Pump runs continuously in profiling mode, providing correlation of CTD and plumbed auxiliary sensor measurements.
Parameters Measured
Specifications
| Specification | Value |
|---|---|
| Communication Options | RS-232 |
| Depth Rating (Meters) | 600m, 7000m, 10500m |
| Power Source | Internal |
| Housing Material Options | Acetal copolymer, Titanium |
| Onboard Memory | Yes |
| Connector | MCBH |
| Sampling Rate | Profiling: 4 Hz (strain-gauge pressure) or 2 Hz (Quartz pressure) |
| Memory Capacity (Samples) | 64 Mbyte non-volatile FLASH Bytes/sample: 6 T&C; 5 pressure; 2 each external voltage; 4 date & time (RS-232 sensor is sensor dependent) |
| Power Consumption | 9 alkaline D-cell batteries, 60 hours CTD profiling (see manual) |
| 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 |
| Software | Fathom |
| 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 |
| Biofouling Protection | Optional |
Accessories
Curious what accessories and spares you can purchase for the SBE 19plus V2 SeaCAT CTD? Get in touch with our experts for more information.
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