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Plate ultrasonic transducer U842 series
immersionRF

plate ultrasonic transducer
plate ultrasonic transducer
plate ultrasonic transducer
plate ultrasonic transducer
plate ultrasonic transducer
plate ultrasonic transducer
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Characteristics

Configuration
plate
Use
immersion
Technology
RF

Description

An immersion transducer is a single element longitudinal wave transducer with a 1/4 wavelength layer acoustically matched to water. Immersion transducers are specifically designed to transmit ultrasound in applications where the test parts are partially or wholly immersed in water, which allows a uniform and fast coupling technique for rapid scanning of parts. Focusing lens can be added to increase transducer sensitivity and performance in a particular area of a part. Immersion transducers can be focused either spherically or cylindrically upon request within the allowable focal range for a given frequency and element size. Advantages: • The immersion technique provides a means of uniform coupling • Quarter wavelength matching layer increases sound energy output • Corrosion resistant 303 stainless steel case with chrome-plated brass connectors • Proprietary RF shielding for improved signal-to-noise characteristics in critical applications • All immersion transducers, except paintbrush, can be focused spherically (spot) or cylindrically (line) (see Technical Notes page 45) • Customer specified focal length concentrates the sound beam to increase sensitivity to small reflectors Applications: • Automated scanning • On-line thickness gaging • High speed flaw detection in pipe, bar, tube, plate, and other similar components • Time-of-flight and amplitude based imaging • Through transmission testing • Material analysis and velocity measurements Usage Note: Transducers should not be submerged for periods exceeding 8 hours. Allow 16 hours of dry time to ensure the life of the unit.

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