Pet sensor

[0001]FIG. 1 is a top, front, left perspective view of a pet sensor of my new design;

[0002]FIG. 2 is a bottom, back, right side perspective view thereof;

[0003]FIG. 3 is a front view thereof;

[0004]FIG. 4 is a back view thereof;

[0005]FIG. 5 is a left view thereof;

[0006]FIG. 6 is a right view thereof;

[0007]FIG. 7 is a top view thereof;

[0008]FIG. 8 is a bottom view thereof; and,

[0009]FIG. 9 is another perspective view thereof, but shown in a usage state in an environmental view.

[0010]The broken lines showing the pet sensor in FIG. 9 represent environmental structure and form no part of the claimed design.