FIG. 1 is a front elevational view of a blood chemistry sensor assembly embodying our new design;

FIG. 2 is a top plan elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top, front perspective view thereof.

The broken line showing of the tube in FIGS. 1, 3, 4 and 5 is for illustrative purposes only and forms no part of the claimed design.