Saiv - Model SD204 - CTD/STD Profiler - Brochure

The model SD204 is also called CTD profiler, STD profiler, Sound Velocity profiler, CTD Instrument and CTD Sonde. The SD204 measures, calculates and records sea water conductivity, salinity, temperature, depth (pressure), sound velocity and water density. Therefor the SD204 is often referred as a Sound profiler.