The ornamental design for a pressuredetector, as shown and described.
FIG. 1 is a front view of a pressure detector showing my new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a top, front, right side perspective view thereof; and,
FIG. 8 is a bottom, front, right side perspective view thereof.
This article is a pressure detector mainly used for a refrigerating machine, a cooling and heating machine, etc. From the top of this article, three electric wires are pulled out.