Airflow Resistance Measurement System Nor1517A

The Nor1517A system measures the airflow resistance in porous materials according to ISO 9053/DIN EN 29053 (DIN52213).

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Impedance tube for transmission loss and sound absorption measurements following

  • sound absorption ISO10534-2, ASTM E1050
  • transmission loss, ASTM E2611

bswa impedance tubes

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