Mecanum's high-level impedance tube is specially designed to cover frequency ranges from 300 Hz to 6000 Hz and reach 155 dB (maximum).

Tube Model

 
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Impedance and Transmission Tube 2, 3 or 4 microphones

29 mm

300 to 6000 Hz

155 dB

 

Measured Properties

Applications

 
  • Analysis of the acoustic nonlinear response of materials

  • Quality control

  • R&D applications

 

Features

Standard Mecanum’s impedance and transmission tube system includes:

  • Impedance and transmission tube;

  • Microphones;

  • DAQ system;

  • Ultralow distortion audio amplifier;

  • TUBE-X software;

  • Verification sample to check the measurement procedure;

  • Grids to support limp materials;

  • Rings to minimize acoustical leaks around the sample.

TUBE-X Software

 

The TUBE-X software is a user-friendly tool for impedance tube measurements. It will allow you to choose among different measurement techniques. TUBE-X controls the entire procedure from calibration to the measurement itself. It takes into account the atmospheric conditions and the internal dissipation of the tube.

TUBE-X can also:

  • Measure in white noise or sine sweep;

  • Correct the effects of grids and rings if they are used during measurement;

  • Compare measurement projects;

  • Merge the measurements made with the different tubes;

  • Average measurements (in fine bands, third octave and octave);

  • Estimate acoustic indicators (NRC, SAA);

  • Calculate the penetration depth of the acoustic wave in the material (20 dB reduction);

  • Export graphs and data to Excel and text files.

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Comparison Tool

Main Advantages of the Product

 
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Portable - Method used in laboratory and institute

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User-friendly interface

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Measurement method from the scientific literature including sweep sines type excitation which improves the sound-to-noise ratio.

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Superior manufacturing quality

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