Portable testing unit

FIG. 1 is a top perspective front view of a portable testing unit showing the design with a lid, which is hinged, in a closed position;

FIG. 2 is a right side view of the portable testing unit of FIG. 1 , with the hinged lid in the closed position;

FIG. 3 is a top view of the portable testing unit of FIG. 1 , with the hinged lid in the closed position;

FIG. 4 is a front view of the portable testing unit of FIG. 1 , with the hinged lid in the closed position;

FIG. 5 is a rear view of the portable testing unit of FIG. 1 , with the hinged lid in the closed position; and,

FIG. 6 is a top perspective front view of the portable testing unit of FIG. 1 , with the hinged lid in an open position.

The left side view is a mirror image of the right side view.

The broken lines in the drawings illustrate features of the portable testing unit that form no part of the claim.