A label applicator of the type for separating labels from a continuous carrierstrip and applying the labels to an object positioned at the applicator, whichapplicatorincludes a supply roll and a rewind roll configured to move the strip throughtheapplicator, a tamp pad for applying the labels to the object, and an unwindsensor.The unwind sensor includes a supply disk positioned coaxially on the supplyroll.The supply disk has a plurality of equally spaced openings therein. A sensorisconfigured for sensing the passing of the supply disk openings. A countercounts theopenings passing the sensor. The applicator includes means for determining alevel oflabels remaining on the supply roll.
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