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SW4xx1
SW series impedance tube is designed base on transfer-function method, according to GB/T 18696.2, GB/J 88, ISO 10534-2, ASTM E1050-12, and ASTM E2611-17 standards, including impedance tube kit ..Views：720
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SW420
SW series Impedance Tubes can accurately measure sound absorption coefficients and impedance according to standards described in ISO10534-2 (1998). They are based on the Transfer Function Method, ..Views：952
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SW470
SW series Impedance Tubes can accurately measure sound absorption coefficients and impedance according to standards described in ISO10534-2 (1998). They are based on the Transfer Function Method, ..Views：992
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SW422
SW series Impedance Tubes can accurately measure sound absorption coefficients and impedance according to standards described in ISO10534-2 (1998). They are based on the Transfer Function Method, ..Views：1215
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SW477
SW series Impedance Tubes can accurately measure sound absorption coefficients and impedance according to standards described in ISO10534-2 (1998). They are based on the Transfer Function Method, ..Views：1780
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SW420R
ISO 13472-2: 2010 specifies a test method for measuring in situ the sound absorption coefficient of road surfaces with impedance tube. This method enables evaluation of sound absorption characteri..Views：1011
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R-Cabin
R-Cabin is a small reverberation chamber which can be used to measure the sound absorption of materials for automotive industries.Views：928
