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  • Application Note - Acoustic Transducer Testing with dScope Series III
    The requirements for acoustic testing are quite unique within the field of audio analysis, and testing requires particular care to ensure good rejection of unwanted reflections (echoes and reverberation) and background noise. This is particularly true in a manufacturing environment where acoustic
  • Dynamic Rotary Torque Measurement using Surface Acoustic Waves (SAW) - A Lonsdale, 2000W (2000)
    The subject of torque measurement has previously been addressed extensively. Most of the. existing transducers either rely on low voltage analogue systems (e.g. conventional resistive. strain gauge) or complicated mechanical assemblies by physically assessing displacement, i.e. optical systems
  • Transducers and Arrays for Underwater Sound
    Transducers and Arrays for Underwater Sound. Presenting basic acoustic concepts and models needed in transducer and transducer array development, this book discusses the six major types of electroacoustic transducers and shows why piezoelectric ceramic transducers are suitable for underwater sound.
  • Penetrating Pulse Technology
    The fundamental measurement principle is simple and easy to understand. A special acoustic energy (AE) transducer, mounted in direct contact with the outside vessel wall emits a short 'penetrating pulse” of acoustic energy. The pulse penetrates the vessel wall and eventual lining and travels
  • Understanding Ultrasonics
    Ultrasonic signals are like audible sound waves, except the frequencies are much higher. Our ultrasonic transducers have piezoelectric crystals which resonate to a desired frequency and convert electric energy into acoustic energy and vice versa. The illustration shows how sound waves, transmitted
  • Air-Coupled Acoustics: Sound PAT for Tablet Characterization
    , an air-coupled transducer, a laser interferometer, a vibrometer controller and a digitizing oscilloscope, as well as a vacuum handling apparatus consisting of a vacuum wand and a vacuum pump with a suction power of ~30 kPa. The instrumentation diagram of the acoustic excitation and interferometric detection
  • Ultrasound scans IN THIN AIR
    testing and in health care as a noninvasive diagnostic tool. But for it to work, transducers and an acoustic-coupling liquid must touch the specimen. This rules out testing of such materials as uncured plastics, green ceramics and powered metals, materials that are continuously rolled on a production
  • Medical Device Link .
    . The simplest definition of a biosensor is a device for detecting analytes that combines a biological component with a physicochemical detector component (see Biosensors are used with printed circuits and surface acoustic wave or other acoustic elements, and incorporate electronics or signal processors

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