The ornamental design for a pipetteverificationdevice, as shown and described.
FIG. 1 is a front perspective view of a pipette verification device;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left-side plan view thereof;
FIG. 5 is a right-side plan view thereof; and,
FIG. 6 is a top plan view thereof.
No bottom plan view is shown, as the bottom is devoid of ornamentation. The broken lines define the bounds of the claimed design and form no part thereof.