The ornamental design for the control housing for a metaldetector, as shown and described.
FIG. 1 is a perspective view of a control housing for a metal detector of one embodiment of the present invention, with other portions of an exemplary metal detector shown in broken lines;
FIG. 2 shows a bottom view of an control housing for a metal detector of FIG. 1;
FIG. 3 shows a top view of the control housing for a metal detector of FIGS. 1 and 2;
FIG. 4 shows a left side view of the control housing for a metal detector of FIGS. 1-3;
FIG. 5 shows a right side view of the control housing for a metal detector of FIGS. 1-3;
FIG. 6 shows a front view of the control housing for a metal detector of FIGS. 1-5; and,
FIG. 7 shows a rear view of the control housing for a metal detector of FIGS. 1-5.
The broken lines in the drawings show environmental structures that form no part of the design to be patented.