The 9500 is a research meter designed for use in a number of applications including fish farming/breeding, all forms of aquaculture, environmental analysis, pollution control and effluent management. The 9500 includes powerful data logging capabilities with the ability to store 250 DO₂readings either manually, at timed intervals or on alarmed events. The 9500 also includes full support for the BOD₅day test protocol and has the ability to store up to 25 BOD data sets, each with up to 10 samples.