Ralph Closs spent over four decades in the weighing business, much of it in the field. As Siemens Weighing Product Manager, Ralph spent a lifetime around scales, conveyor belts, and flowmeters influencing generations of operators and application engineers. Henry Vandelinde, PhD, is a 13-year senior manager, Marketing Services, PI Global Training, with Siemens Milltronics Process Instruments., He is the coauthor of industrial textbooks on ultrasonic, radar, weighing technology, and industrial communications.

Ralph Closs spent over four decades in the weighing business, much of it in the field. As Siemens Weighing Product Manager, Ralph spent a lifetime around scales, conveyor belts, and flowmeters influencing generations of operators and application engineers. Henry Vandelinde, PhD, is a 13-year senior manager, Marketing Services, PI Global Training, with Siemens Milltronics Process Instruments., He is the coauthor of industrial textbooks on ultrasonic, radar, weighing technology, and industrial communications.