It is possible to measure with a small sample!
Bruel & Kjaer offers a full range of impedance tubes for measuring acoustic material properties such as absorption coefficient, reflection coefficient, acoustic impedance, acoustic admittance, and transmission loss. - Measurements based on the two-microphone transfer function method according to ISO 10534-2 and ASTM E1050-98 - Measurement of directional (granular) materials in horizontal installation: simulation measurements of suspended ceilings - Wall-mountable structure - Part of the Bruel & Kjaer PULSE system for acoustic material testing - Calculation of noise reduction coefficient (NRC, ASTM C423-99a) from absorption coefficients at 250, 500, 1000, and 2000 Hz (Model 4206A) For more details, please download the catalog or contact us.
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**Features** - Measurements based on the two-microphone transfer function method according to ISO 10534-2 and ASTM E1050-98 - Measurement of directional (granular) materials in a horizontal setup: simulation measurement of suspended ceilings - Structure that can be wall-mounted - Part of the Brüel & Kjær PULSE system for acoustic material testing - Calculation of noise reduction coefficient (Noise Reduction Coefficient; NRC, ASTM C423-99a) from sound absorption rates at 250, 500, 1000, and 2000 Hz (Model 4206A) For more details, please download the catalog or contact us.
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For more details, please contact us.
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Impedance tube kit
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Bruel & Kjaer (Spectris Corporation, HBK Division) will reflect the diligence of Denmark and the innovation of Japan in our products. We aim to bring the experience and wisdom of our Danish headquarters, which has been dedicated to "acoustics and vibration for 75 years," to Japan through Bruel & Kjaer Japan. Additionally, we want to showcase Japan's delicate and advanced technology, which is at a world-class level, to the world through the Bruel & Kjaer Group's network.