The ornamental design for an electricalmeasuringdevice, as shown and described.
FIG. 1 is a top left rear perspective view of the electrical measuring device showing our new design, with cable portion connected, mounted on an environment;
FIG. 2 is a left side elevational view thereof with cable portion connected, mounted on an environment;
FIG. 3 is a bottom left rear perspective view of the mounting bracket portion thereof;
FIG. 4 is a bottom left front perspective exploded view thereof, with disconnected cable shown broken-away; and,
FIG. 5 is a left side elevational exploded view thereof, with disconnected cable shown broken-away.
Any broken lines in the drawings illustrate unclaimed subject matter and/or environment and form no part of the claimed design.