Seabird

Navis BGCi + pH Float

Navis BGCi + pH Float
Now available with a deep, stable pH sensor, the Navis BGCi + pH introduces the Float pH to the community for autonomous profiling float missions. The Float pH is integrated into the SBE 41N profiling float CTD data stream. This float also integrates the Float pH into the SBE 41N pumped flow path for bio-fouling protection.

The SBE 41N CTD measures conductivity, temperature, and pressure (depth). The SBE 41N manages the installed sensors to take continuous measurements at 1 Hz through ascent, and provide high accuracy, resolution, and stability data. The pump-controlled, T-C ducted flow minimizes salinity spiking caused by mismatch of temperature and conductivity measurements.

The individually calibrated SBE 63 Optical Dissolved Oxygen sensor is integrated within the CTD flow path, providing optimal correlation with CTD measurements.

The MCOMS uses demonstrated Sea-Bird Scientific technology to supply three optical sensors in one, providing chlorophyll a, backscattering, and CDOM, or chlorophyll a and 2 backscattering channels. MCOMS is integrated directly into the float end cap and co-located with DO and physical measurements.

The Float pH is an adaptation of the Deep-Sea DuraFET developed collaboratively by the Monterey Bay Aquarium Research Institute (MBARI), Scripps Institution of Oceanography (SIO), and Honeywell. The Deep Sea DuraFET technology was developed by Ken Johnson at MBARI and Todd Martz at SIO.
 
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