FIG. 1 shows a perspective view of a design for a sensor pad.

FIG. 2 shows a top view of the design.

FIG. 3 shows a bottom view of the design.

FIG. 4 shows a front view of the design.

FIG. 5 shows a right side view of the design. A left side view of the design is a mirror image of the right side view; and,

FIG. 6 shows a view of the sensor when placed on a thenar eminence of a hand of a person.

The broken-line features in the figures are for illustrative purposes only and form no part of the claimed design.