Detector

FIG. 1 is a front, top and right side perspective view of a detector showing the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a rear, bottom and left side perspective view of the detector.

The dashed broken lines in the drawing depict portions of the detector that form no part of the claimed design.