Beam Attenuation

Bolt-on biogeochemical sensors are now available from Sea-Bird Scientific.
The new Navis BGCi offers a profiling float with an integrated data stream for a suite of biogeochemical sensors.
The Thetis Profiler is a submersible, vertically profiling platform for use in coastal marine and fresh water environments.
AC-S In-Situ Spectrophotometer
Based on the highly successful ac-9, the ac-spectra (ac-s) offers almost an order of magnitude increase in spectral resolution of in-situ absorption and beam attenuation. The 4 nm resolution allows for spectral "fingerprinting" and deconvolution analysis.
WET Labs' Beam Attenuation Meter
The beam attenuation meter is specifically designed for Autonomous Underwater Vehicles to accommodate size and drag considerations.
The c-Rover 2000 is an optical transmissometer designed for long-term deployment aboard profiling floats.
The C-Star incorporates a novel monolithic housing with a highly integrated opto-electronic design to provide a low cost, compact solution for underwater measurements of beam transmittance.
ACS-5000 Spectrophotometer
Based on the highly successful AC9 and ACS, ACS-5000 offers almost an order of magnitude increase in spectral resolution of in-situ absorption and beam attenuation. The 4 nm resolution allows for spectral "fingerprinting" and deconvolution analysis.
BOSS Bio-Optical Sensor System
A flexible platform that expands sensor capabilities of profiling floats by providing multispectral radiometry, scattering, beam attenuation, chlorophyll, and CDOM measurements to complement the temperature, salinity and oxygen measurements of the profiling float.
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