Insulation Density Measurement Device

FIG. 1 is perspective view of an insulation density measurement device showing my new, original and ornamental design;

FIG. 2 is an underside perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines depict environment and portions of the article that form no part of the claimed design.