You can evaluate sound absorption of, and the transmission loss associated with, materials quickly and accurately. Conforms to standards ISO10534-2, ASTM E-1050 and ASTM E-261.
The four-channel data acquisition module (Data Translation model 9837A; www.datatranslation.com) is a USB-powered dynamic signal analyzer with 24-bit, 52.7 kHz, simultaneous A/D sampling. The module also has an output channel for powering the compression driver. The module is fully integrated into the ACUPRO software so that data acquisition parameters are set in the software.