The ornamental design for a detergentsensor for a warewash machine, as shown and described.
FIG. 1 is a top perspective view of a detergent sensor for a warewash machine embodying our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom view thereof.
The broken line representations of LEDs in FIGS. 1, 2, 3, 4 and 5, and the broken line representations of electrical contacts in FIGS. 1, 3, 4, 5 and 7 are for illustrative purposes only and form no part of the claimed design.
Piezoelectric resonator, process for the fabrication thereof including its use as a sensor element for the determination of the concentration of a substance contained in a liquid and/or for the determination of the physical properties of the liquid