The ornamental design for a pressuredetectingsensor, as shown and described.
FIG. 1 shows a front view of a pressure detecting sensor showing our new design;
FIG. 2 shows a rear view thereof;
FIG. 3 shows a right side view thereof;
FIG. 4 shows a left side view thereof;
FIG. 5 shows a top view thereof;
FIG. 6 shows a bottom view thereof; and,
FIG. 7 shows a top, front and left side perspective view thereof.
The portions of the design shown in broken lines in FIGS. 5, 6 and 7 are for the purpose of illustrating the environment only and form no part of the claimed design.