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  • BSI
    21/30419754 DC BS ISO 24543. Non-destructive testing. Acoustic emission testing. Verification of the receiving sensitivity spectra of piezoelectric acoustic emission sensors
    Edition: 2021
    $42.22
    / user per year

Description of 21/30419754 DC 2021

This document specifies a method for the determination of the receiving sensitivity spectra of a piezoelectric acoustic emission sensor, in absolute units of volts output per motion input, whereby the motion can be particle displacement (e.g. in nanometres) or particle velocity (e.g. in millimetres per second) over a frequency range used for acoustic emission testing, from 20 kHz to about 1,5 MHz, whereby the sensor is stimulated by a motion pulse in normal direction to the sensor’s face from a directly coupled piezoelectric transmitter.

This document also specifies a method for the determination of the transmitting sensitivity spectrum of a piezoelectric transmitter in absolute units, e.g. in nanometres output per volt input, by measuring both, the particle displacement pulse over the transmitter’s active face and the transmitter’s input voltage spectrum, using a scanning laser vibrometer.

This document does not include the known cancellation effects on a sensor’s response, when the angle of incidence differs from normal (90°) or when the length of the wave passing across the sensor’s sensitive face is shorter than about 10 times the dimension of the sensor’s sensitive face.



About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.

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