Sensor

FIG. 1 is a perspective view of a sensor showing our design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a rear view thereof.

The dashed broken lines depict structure or features which form no part of the claimed design.