In-Situ Absorption Testing
A truly in-situ method to accurately measure the properties of your materials
Acoustic noise pollution can be reduced by absorbing sound energy. Absorbing material packages are used in many applications to attenuate sound. Knowing exactly the acoustic properties of your materials and the effectiveness of the applied material packages is a requirement to successfully reduce noise levels. The In-situ absortion setup is a solution to achieve just that.
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Product Overview
POINT, MEASURE AND DIRECTLY OBTAIN THE ABSORPTION IN MINUTES
With a small, handheld impedance gun the acoustic absorption, reflection and impedance can be measured in just a few minutes, broadband. With a sound source at 23cm from the probe, noise is generated towards the sample. The impedance gun is equipped with a system designed to decouple the sensors from structure-born vibration generated by the spherical loudspeaker. The sound pressure and acoustic particle velocity are measured directly on the surface of the material. The absorption & reflection coefficient can be obtained directly from the measured impedance as the complex ratio of sound pressure to particle velocity.
NON-DESTRUCTIVE TESTING AND TRULY IN-SITU
With our innovative in-situ absorption setup, the days of destructive testing are now behind us. This powerful system allows for the measurement of sound absorption in any environment, offering unprecedented versatility. Beyond testing simple material samples, the system is equipped to handle inhomogeneous materials, curved surfaces, and fully assembled parts.
Product Features
- Frequency range 300Hz - 10kHz
- In-situ method - Measurement of:
· Acoustic Impedance
· Sound reflection
· Sound absorption - Non-destructive testing method
- Flat & curved surfaces
- Homogeneous & inhomogeneous materials
Datasheets
Video