The ornamental design for a temperaturecontroller, as shown in solid lines and described.
FIG. 1 is a perspective view of the temperature controller with the plug connection, the temperature probe and the body shown in dotted lines, showing my new design;
FIG. 2 is a front view of the temperature controller, as shown in FIG. 1;
FIG. 3 is a back view of the temperature controller, as shown in FIG. 1;
FIG. 4 is a top view of the temperature controller, as shown in FIG. 1;
FIG. 5 is a bottom view of the temperature controller, as shown in FIG. 1;
FIG. 6 is a left view of the temperature controller, as shown in FIG. 1; and,
FIG. 7 is a right view of the temperature controller, as shown in FIG. 1.