The ornamental design for a photoelectricsensor, as shown and described.
FIG. 1 is a front perspective view of a photoelectric sensor;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a right side view thereof, the undisclosed left side view being a mirror image thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a front perspective view thereof in an opened position; and,
FIG. 9 is a front elevational view thereof in the opened position.
The broken lines depict environmental subject matter only and form no part of the claimed design. The oblique short lines in FIGS. 1, 3, 8 and 9 are intended to illustrate that the surface is translucent.