The Frankstar CTD Profiler (Standard Version) is a professional hydrological observation instrument designed for operation at depths of up to 6,000 meters. It supports both real-time direct-reading and self-contained operating modes, featuring high measurement accuracy, low power consumption, and low flow resistance.

The instrument accurately measures water temperature, conductivity, and pressure. It is suitable for a wide range of applications, including marine hydrological monitoring, oceanographic research, and port and waterway engineering. It can be deployed on various platforms, such as oceanographic observation stations, subsurface moorings, buoys, and multi-parameter water samplers.