The ornamental design for a pressureswitch having a digital display, as shown and described.
FIG. 1 is a front, top and left-side perspective view of a pressure switch having a digital display showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left side view thereof; and,
FIG. 7 is a right side view thereof.
The broken line showing in the drawings is for illustrative purpose only and forms no part of the claimed design, while the dashed-dotted line which define the bounds of the claimed design form no part thereof.