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  • Sensor Sense: Ultrasonic Double-Sheet Detectors
    Ultrasonic double-sheet detectors distinguish between single and double sheets of paper, plastic, or metal foils to prevent waste or machine damage. The sensor operates by beaming ultrasonic sound waves through the material from one side and measuring the intensity of the sound detected
  • Sensor Sense: Ultrasonic Double-Sheet Detectors
    Ultrasonic double-sheet detectors distinguish between single and double sheets of paper, plastic, or metal foils to prevent waste or machine damage. The sensor operates by beaming ultrasonic sound waves through the material from one side and measuring the intensity of the sound detected
  • Ultrasonic sensors
    Ultrasonic sensors can measure distance without contact. Typical ultrasonic sensors emit highfrequency sound waves that are reflected by the target. A target in the path of the sound wave reflects the sound back to the sensor where it is detected, triggering the sensor output. Special programmable
  • Important Characteristics of Sound Fields of Ultrasonic Transducers
    Throughout the literature concerned with ultrasonic transducers and their characteristics,. a variety of notations and symbols has been used. What follows is an attempt to provide a. useful set of definitions and a consistent set of notation. Where possible, notation has. been selected that is used
  • Intro to Ultrasonic Phased Array
    Many people are familiar with the medical applications of ultrasonic imaging, in which high frequency sound waves are used to create highly detailed cross-sectional pictures of internal organs. Medical sonograms are commonly made with specialized multi-element transducers known as phased arrays
  • Ultrasonic Material Analysis
    Ultrasonic nondestructive testing is a versatile technique that can be applied to a wide variety of material analysis applications. While ultrasonic NDT is perhaps better known in its more common applications for thickness gaging, flaw detection, and acoustic imaging, high frequency sound waves can
  • Ultrasonic Flaw Detection
    Of all the applications of industrial ultrasonic testing, flaw detection is the oldest and the most common. Since the 1940s, the laws of physics that govern the propagation of sound waves through solid materials have been used to detect hidden cracks, voids, porosity, and other internal
  • Ultrasonic Sensors, The Silent Laborers
    During operation the transducer alternates continuously between transmitting and receiving. If the transmitted switch packets encounter an object the sound is reflected and a small part of the energy is reflected back to the sensor, respectively the transducer. The output of the sensor reacts after

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