Manufacturers of optical oceanographic sensors including Seapoint Turbidity Meter, Seapoint Chlorophyll Fluorometer, and Seapoint Rhodamine Fluorometer.
Keywords: transmissometer, transmission, attenuation, attenuance, absorption, absorbance, scattering, scatterance, fluorimeter, fluorescence, algae, plankton, FWT, nephelometer, turbidimeter, turbidometer, leak detection, CDOM, yellow matter, gelbstoff