SIGMA - STATIC AIRFLOW RESISTANCE METER

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SIGMA - STATIC AIRFLOW RESISTANCE METER

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The airflow resistivity meter is designed to obtain a reliable measurement of static airflow resistivity, resistance and permeability for a wide range of open-cell porous materials used for noise control. The system is based on the direct method described in the ASTM C522-03 and ISO 9053 standards.

SIGMA-X software detects automatically minimum flow velocity measurement range and allows you to obtain the pressure drop as a function of the flow velocity as low as 0.5 mm/s.


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Product Features

  • Measurement method according to ASTM C522-03 and ISO 9053 standards
  • Automatic measurement sequence through a user-friendly interface
  • Measures and results in less than 5 minutes
  • System ready in less than 1 minute
  • Automatic calculation of global statistics
  • Report generator

 

Included

  • SIGMA
  • Two specimen holders (diameter of 100 mm and 44.44 mm) 
  • Resistive film support
  • Verification sample
  • Grids to support soft materials
  • Rings to minimize air leakage around the sample
  • SIGMA-X software

 

Accessories

  • Circular knives for porous materials
  • Porous material slicer
  • Enclosure
  • Specimen holders in other dimensions than those included
  • FOAM-X Software
  • NOVA Software

Product Applications

  • Quality Control
  • Research and development
  • Model acoustic materials
  • Improve the accuracy of the indirect and inverse methods (FOAM-X Software needed).

Datasheets

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