The ornamental design for a digitalmultimeter, as shown and described.
FIG. 1 is a front perspective view of a digital multi meter.
FIG. 2 is a rear perspective view of the digital multi meter;
FIG. 3 is a front planar view of the digital multi meter;
FIG. 4 is a rear planar view of the digital multi meter;
FIG. 5 is a left side planar view of the digital multi meter;
FIG. 6 is a right side planar view of the digital multi meter;
FIG. 7 is a top planar view of the digital multi meter;
FIG. 8 is a bottom planar view of the digital multi meter; and,
FIG. 9 is a front planar view of the digital multi meter.
The broken line showing of structural features is included for the purpose of illustrating non-claimed subject matter and forms no part of the claimed design.