Sea-Bird Scientific Device / Instrument
SeaFET V2 and SeapHOx V2 Ocean pH Sensors
ISFET-based ocean pH sensors, standalone (SeaFET V2) or combined with an SBE 37 MicroCAT CTD and oxygen (SeapHOx V2, Deep SeapHOx V2 to 2000 m).
Description
The SeaFET V2 uses an ion sensitive field effect transistor (ISFET) measured against internal and external reference electrodes, with internal logging and battery; it is rated to 50 m. The SeapHOx V2 integrates pH with moored conductivity, temperature, optional pressure and optical dissolved oxygen using the MicroCAT pumped flow path and anti-fouling.
Key features
- The Deep SeapHOx V2 extends this to 2000 m
- pH accuracy: ± 0.05 pH
Specifications
| pH accuracy | ± 0.05 pH |
|---|---|
| SeaFET V2 depth | 50m |
| Deep SeapHOx V2 depth | 2000 m |
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