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    Acoustical transducer calibrating system and apparatus (1973)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: An acoustical transducer calibrating system includes a differential pressure actuating device having an inner chamber for applying differential pressures to the transducer, and an outer chamber for vacuum sealing. Mounted within the inner chamber is an electrostatic actuator for exciting the transducer at selected frequencies so that its sensitivity can be determined for different operating ambient pressures.
    Keywords: INSTRUMENTATION AND PHOTOGRAPHY
    Format: application/pdf
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