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pH Sensors

Sea-Bird manufactures the following pH sensors:

  • pH and CTD plus Dissolved Oxygen, for Moored applications to 50 m — SeapHOxTM (ion selective field effect transistor type pH sensor)
  • pH and CTD plus Dissolved Oxygen, for Moored applications to 2000 m — Deep SeapHOxTM (ion selective field effect transistor type pH sensor)
  • pH and CTD plus Dissolved Oxygen, Chlorophyll a, and Turbidity, for Moored applications to 350 m — HydroCAT-EP (glass-electrode type pH sensor)
  • pH only, for Profiling applications to 1200 m — SBE 18 (glass-electrode type pH sensor)
  • pH and ORP, for Profiling applications to 1200 m — SBE 27 (glass-electrode type pH sensor)
  • pH for Autonomous Profiling Floats (Argo) — Float Deep SeaFETTM on Navis BGCi float (ion selective field effect transistor type pH sensor)

See the Sea-Bird Scientific pH page for more information and products.

Measures conductivity, temperature, depth, dissolved oxygen, pH, turbidity, and chlorophyll. It is ideally suited for extended deployments in remote, biologically rich environments, for depths to 350 m.
 SeapHOx™ Ocean CT(D)-pH-DO Sensor
The Sea-Bird Scientific SeapHOx™ combines the SeaFET™ pH sensor with the SBE 37-SMP-ODO MicroCAT CTD+DO sensor.
The Sea-Bird Scientific Deep SeapHOx™ combines the Deep SeaFET™ pH sensor with the SBE 37-SMP-ODO MicroCAT CTD+DO sensor. The Deep SeaFET adapts the MBARI/SIO/Honeywell Deep-Sea DuraFET technology to measure pH in a deep moored package.
Pressure-balanced glass-electrode /Ag/AgCl-reference pH probe provides in-situ measurements at depths to 1200 meters.
Pressure balanced glass-electrode, Ag/AgCl reference probe and platinum O.R.P. electrode to provide in-situ measurements to 1200 m.
Autonomous profiling float for Argo and other programs, with Sea-Bird CTD, Dissolved Oxygen sensor, integrated WET Labs ECO-MCOMS fluorometer/backscattering sensor and Sea-Bird Scientific Float Deep SeaFET™ pH sensor. The Float Deep SeaFET adapts the field-tested MBARI/SIO/Honeywell Deep-Sea DuraFET technology to measure pH on the Navis BGCi float.
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