FIG. 1 is front perspective of the measuring device embodying our design; FIG. 2 is a front elevational view of FIG. 1; FIG. 3 is a back elevational view of FIG. 1; FIG. 4 is a right side elevational view of FIG. 1; FIG. 5 is a left side elevational view of FIG. 1; FIG. 6 is a back side elevational view of FIG. 1; and, FIG. 7 is a front side elevational view of FIG. 1.