QMA measures the elastic properties of a wide range of materials used for noise control. The measurement is based on standard ISO 18437-5 and uses disc-shaped samples.

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Measured Properties

Applications

 

The QMA is used by the world’s leading materials suppliers in both the automotive and aircraft industries for:

  • Quality control in the manufacturing process of materials

  • R&D applications

  • Feeding acoustical prediction software

The elastic properties measured with the QMA are compatible with the Biot’s poro-elasticity equations and leading noise control prediction codes such as: NOVA and VA One.

Features

QMA system includes:

  • QMA hardware

  • Embedded USB DAQ system

  • QMA-X software

  • A certified verification sample to validate the test procedure

The QMA-X software fully controls the measurement and calculates the statistics on the measurement of the elastic properties. The measurement frequency range is typically 20-100 Hz. The QMA works with disc-shaped samples.

 
Main Interface

Main Advantages of the Product

 
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Measurement method in accordance with the ISO 18437-5 standard

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Automatic measuring system through a user-friendly interface

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Measurement method from the scientific literature

Video

 

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