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S0208 – Low frequency piezoelectric transducer 100 KHz

S0208 – Low frequency piezoelectric transducer 100 KHz
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S0208 – Low frequency piezoelectric transducer 100 KHz - 1

Ultrasonic transducer S0208 DATA SHEET Intended use The ultrasonic transducer S0208 is used to perform the ultrasonic testing of various materials and products to evaluate their physical and mechanical properties using transmitting and receiving of ultrasonic longitudinal waves. The transducer can be used as a part of ultrasonic low frequency flaw detectors or ultrasonic pulse velocity testers. Main technical specifications Type of transducer: Piezoelectric with liquid contact, low frequency, short pulse, low noise Type of generated wave mode: Longitudinal Nominal frequency: 100 ± 20 kHz Effective transducer aperture diameter: 25 mm Delay time in the transducer protector: 0.2 s Electric capacity of the piezoelectric element: 3900 ± 300 pF Maximum excitation pulse voltage, V: ± 250 V Connector type: LEMO00 Overall dimensions: 40,5 х d28 mm (31 mm on connector) Weight: 107 gr Measurement conditions and equipment used Temperature 25ºC, rel. humidity 43% The transducer values are measured at the testing bench consisting of a low-frequency pulser-receiver unit A1560-LF. For evaluating the transducer characteristics, the method of through-transmission of longitudinal ultrasonic waves through a plexiglas sample is used. The thickness of the plexiglass sample is 200 mm. The tested transducer operates in the transmission mode. As an ultrasonic pulse receiver, a broad-band single-crystal piezoelectric transducer with the nominal frequency 1 MHz and effective aperture 20 mm is used. Measured characteristics in the longitudinal wave mode Shape of the measured pulse Amplitude frequency response Signal parameters Maximum half-wave amplitude of the pulse, mV Pulse duration at the -20 dB, msec Lower band frequency at the -3 dB level, kHz Upper band frequency at the -3 dB level, kHz Absolute band width P at the -3 dB level, kHz Relative band width Bw at the -3 dB level, % © Acoustic Control Systems –

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