USD680453S1 - Optical leak detection instrument

Info

FIG. 1 is a perspective view of an optical leak detection instrument, showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left view thereof;

FIG. 5 is a right view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

CLAIM

The ornamental design for a optical leak detection instrument, as shown and described.