a device which measures individual employee usage of a liquid product or hand soap dispenser as part of an overall hygiene compliance program . the dispenser consists of a self - contained keypad / display module which is attached to a standard hand soap dispenser . an employee enters a unique personal id code and then activates the dispenser . the dispenser counts all inputs to the dispenser in order to generate meaningful data for management . alternatively , the dispenser may only track and report total usage and not account for individual employee usage .