BOD - Biochemical Oxygen Demand is one of the important parameters of effluent analysis. The conventional chemical method of BOD Analysis has a number of disadvantages. It is a tedious process involving dilutions, titration, chemicals and time of skilled chemist. The SPECTRALAB New Microcontroller Based BOD Monitor Model Em2 overcomes these, plus it gives lot more extra information and convenience. With its advanced features you can get full record of Oxygen Uptake Rate with Graphical Representation.