1.1 This test method covers the use of an impedance tube, alternatively called a standing wave apparatus, for the measurement of impedance ratios and the normal incidence sound absorption coefficients of acoustical materials.
Product Details
- Published:
- 10/01/2022
- Number of Pages:
- 9
- File Size:
- 1 file , 190 KB
- Note:
- This product is unavailable in Russia, Ukraine, Belarus
