Handheld X-ray Fluorescence Instrument

FIG. 1 is a top right perspective view of a handheld X-ray fluorescence instrument in accordance with the present design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a top right perspective view thereof with an optional lens cover shown.

The broken lines showing the instrument handle is for the purpose of depicting portions of the article and forms no part of the claimed design.