This International Standard specifies a method for the secondary calibration of acoustic emission sensors as
receivers of elastic waves at the surface of a solid medium. The International Standard is applicable to laboratory
tertiary standard sensors and acoustic emission applications sensors.
The secondary calibration yields the frequency response of a sensor to waves of a type normally encountered in
acoustic emission work, namely Rayleigh waves. The source producing the signal used for the calibration is
mounted on the same surface of a test block as the sensor under test (SUT). The sensitivity of the sensor is
determined for excitation within the range of 100 kHz to 1 MHz. Sensitivity values are usually determined at
frequencies approximately 10 kHz apart. The units of the calibration are volts per unit of mechanical input
(displacement, velocity or acceleration).
Status: PublishedPublication date: 1999-07
Edition: 1Number of pages: 16
Technical Committee: ISO/TC 135/SC 9 Acoustic emission testing
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