Such premium devices are used to apply and paste labels on containers but it requires 2 sensors. CLEAR LABEL SENSOR TRI-TRONICS introduces the very first Ultrasonic Clear Label Sensor with a High Performance Graphic OLED display. The OLED display provides the user with an unprecedented view of the sensors performance, options, program modes, and helpful simple instructions never before offered in a Clear Label Sensor. Designed into the sensor are all the Ease-of-Use characteristics that have made Tri-Tronics sensors so well known in the industry.