Optical dissolved oxygen (ODO) probe assembly with cable for use with the ProODO and 5500D instruments. Product Features. The 626250 can be ordered in lengths of 1-, 4-, 10-, 20-, 30-, 40-, 50-, 60-, or 100-meters. ODO probe and cable assemblies come with an ODO sensor cap. Cables over 1-meter also come with a cable management kit.