YSI EcoSense ODO200CC-01 [606324] Dissolved Oxygen Meter With Probe, 1m Cable and Carrying Case. The YSI EcoSense ODO200 Dissolved Oxygen Meter is designed for quick, accurate results in an economical platform. The ability to measure DO optically along with temperature, in a simple, compact handheld allows the instrument to be used across multiple application sampling strategies in the field. With a one-year instrument, probe and sensor cap warranty, IP67 waterproof case and ease-of-use, the EcoSense ODO200 will fit your needs.