BRIEF DESCRIPTION OF THE DRAWINGS [0009]FIG. 1 shows a unitized sensor module in accordance with one aspect of the invention coupled to process piping. [0010]FIG. 2 shows two unitized sensor modules coupled to a transmitter module on a local area bus. [0011]FIGS. 3A, 3B, 3C and 3D show examples of unitized sensor modules, circuit boards, terminal blocks and transmitter module housings, respectivel