Instrument: CTD Sea-Bird
Conductivity, Temperature, Depth (CTD) sensor package from SeaBird Electronics, no specific unit identified. This instrument designation is used when specific make and model are not known. See also other SeaBird instruments listed under CTD. More information from Sea-Bird Electronics.
SeaBird CTD, oxygen, fluorescence and transmissometer sensors were attached to the frame in stainless steel or anodized aluminum housings.