A SonTek fan favorite! The small, handy CastAway-CTD is a lightweight, easy-to-use instrument designed for quick and accurate conductivity, temperature and depth profiles. Each cast is automatically referenced with both time and location using its built-in GPS receiver and data can be viewed immediately on its color LCD screen.
The CastAway-CTD® is first handheld castable instrument that provides instantaneous profiles of temperature, salinity, and sound speed. Designed for coastal profiling, it incorporates a 6-electrode conductivity cell, coupled with a fast response thermistor to provide accurate, high-resolution data to 100m.
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