The ornamental design for a multifunctioninfraredsensor for sprinkler, as shown and described.
FIG. 1 is a perspective view of a multifunction infrared sensor for sprinkler showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines in the drawings are for the purpose of illustrating unclaimed portions of the multifunction infrared sensor for sprinkler and form no part of the claimed design.