The Endress-Hauser Density Computer FML621 can measure in pipes and tanks without the need of additional pipework. It may be used with a lot of operations, and it allows temperature compensation through integration of existing temperature measurements. Due to not having any moving parts, the device requires less maintenance, lessened wear, and longer operation. The pump can also be protected through the same process connection. The Density Computer FML621 also allows further calculations with regards to the measurement. The datalogger has support for users during servicing. Moreover, the unit is EHEDG and 3A approved.