The ornamental design for an imagerdevice, as shown and described.
FIG. 1 is a front perspective view of an imager device of the present invention;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a left elevation view thereof; and,
FIG. 8 is a right elevation view thereof.
The broken lines depict portions of the imager device in which the design is embodied that form no part of the claimed design. The dash-dot-dash lines represent a boundary of the claim and form no part of the claimed design.