The impedance tube (also know as Kundt Tube) measurement obtains the normal incidence absorption coefficient of a layer of textiles with a small diameter (usually less than 10 cm).
The impedance tube (also know as Kundt Tube) measurement obtains the normal incidence absorption coefficient of a layer of textiles with a small diameter (usually less than 10 cm).
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G4 LD Utility Software
The G4 App is a free program for the use of Sound Level meters, Human Vibration Meters and Noise Dosimeters. The app allows you to connect, control, download, and view data from multiple devices simultaneously.
Sound Level Meter Model 831C
Class 1 Environmental Noise & Building Acoustics Analyser that has combined features of a precision Class 1 Sound Level Meter, Environmental Noise Analyser, Personal Noise Dosimeter, and a real-time frequency analyser in a simple-to-use, single hand-held instrument.
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