The Kundt tube, also known as Impedance tube is an instrument that is used to easily testing sound absorption and transmission loss without having to go to a huge anechoic room.
The SW series Impedance Tubes can accurately measure sound absorption coefficients
and impedance according to both ISO and ASTM standards. They also support the sound
transmission loss measurements based on the Transfer Function Method. The Transfer
Function Method separates the incident and reflected energy from the measured transfer
function, and then estimates the acoustic properties of the tested sample installed in the
PLACID Instruments impedance tube (designed and tested in the Netherlands) is used to accurately testing sound absorption and transmission loss without the need of reverberation or anechoic room.
The PLACID PI series Impedance Tubes can accurately measure sound absorption coefficients as well as transmission loss
according to both ISO and ASTM standards.
Easy to use software, highly accurate and high-quality DAQ, 1/4″ microphones and stable software.
3 sizes of impedance tubes (16, 30 and 100 mm) to cover the frequency range of 50 Hz up to 10 kHz.
Download the datasheet.