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SeaFET™ Ocean pH Sensor

Product Name: SeaFET™ Ocean pH Sensor
Description:The SeaFET™ Ocean pH sensor is an ion selective field effect transistor (ISFET) type sensor for accurate long-term pH measurements in salt water.
Year of Initial Development:
Weight in air [kg]:5.4
Weight in water {kg}:
Diameter [mm]:0.114
Length [mm]:0.508
Housing material:
Max. cable length [m]:
Min. operating power [V]:
Max. operating power [V]:
Battery type:12 x 1.5 V Alkaline D-Cells
Battery duration [hr]:
Max. depth [m]:50
Max. pressure [bar]:
Operating temperature: min. [°C]:
Operating temperature: max. [°C]:
Pressure, temperature and conductivity sensor 
Pressure sensor:
Type of pressure sensor:
Resolution of pressure [% FS]:
Uncertainty of pressure [% FS]:
Temperature sensor:
Type of temperature sensor:
Min. temperature [°C]:0
Max. temperature [°C]:50
Resolution of temperature [°C]:
Uncertainty of temperature [°C]:
Conductivity sensor:
Type of conductivity sensor:
Max. conductivity [S/m]:
Resolution of conductivity [10^-3 S/m]:
Uncertainty of conductivity [10^-3 S/m]:
Min. depth increment [m]:
Min. time increment [s]:
Max. salinity [psu]:40
Resolution of salinity [psu]:
Uncertainty of salinity [psu]:
Min. sound velocity [m/s]:
Max. sound velocity [m/s]:
Resolution of sound velocity [m/s]:
Uncertainty of sound velocity [m/s]:
Additonal sensors 
Standard sensor:pH
No. of additional sensors:
Dissolved oxygen:
Dissolved oxygen sensor type:
pH :Y
pH sensor type:
ORP sensor type:
Fluorescense sensor type:
Cholophyll sensor type :
PAR sensor type :
Light transmission:
Light transmission sensor type :
Optical backscatter :
Optical backscatter sensor type:
Hydrocarbones :
Hydrocarbones sensor type:
Current sensor:
Current sensor type:
Turbidity :
Turbidity sensor type :
H2S :
H2S sensor type :
Redox :
Redox sensor type:
Other optional sensors:SBE 37-SMP-ODO MicroCAT CTD+DO
Data and connectivity 
External recorder required:N
Direct data reading:
Internal memory:
Internal Memory [MB]:
Type of internal memory:
Max. number of samples for self-recording [10^3]:
Dedicated surface data logger:
Dedicated sub-surface data logger:
Telemetry link to remote location:
Software specifications 
Software name:SeaFETCom
Graphical presentation:Y
Raw data editing:Y
Re-computation with raw data:Y
CTD Probe controller:
Recording with third party software:
Operation characteristics 
Data display on dedicated hardware:Y
Display of analogue data:Y
Method of first recording:
More information 
Distinguishable features :• Solid state ISFET sensor • AgCl external reference electrode • Calibrated using natural seawater • Internal logging and scheduling • Internal battery pack

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