The ornamental design for an analyzinginstrument, as shown and described.
FIG. 1 is a front perspective view of an analyzing instrument.
FIG. 2 is a front elevational view thereof.
FIG. 3 is a rear elevational view thereof.
FIG. 4 is a left side elevational view thereof.
FIG. 5 is a right side elevational view thereof.
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines depict portions of the analyzing instrument that form no part of the claimed design; the broken lines and the unshaded surfaces form no part of the claimed design.