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Specification and Dimensional Data Sheet 120a Series Double Walled Audiometric Booth

Specification and Dimensional Data Sheet 120a Series Double Walled Audiometric Booth
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Specification and Dimensional Data Sheet 120a Series Double Walled Audiometric Booth - 1

UK-P1-MED-0230-201410-02 IAC Acoustics IAC House, Moorside Road, Winchester Hampshire, SO23 7US, United Kingdom T: +44 (0) 1962 873 000 www.iac-acoustics.com Specification and Dimensional Data Sheet 120a Series Double Walled Audiometric Booth External Width Examination Room Internal Depth External Depth Internal Width Room Height Weight (kg) Room Details The IAC 120a series is a range of double-walled booths for individual or multiple occupancy. © 2014 IAC Acoustics Door Opening: 838mm wide x 1857mm high Window Clear View: 750mm wide x 600mm high Ventilation: A further 370mm should be added to the width, depth or height of the booth, depending on the preferred location of the ventilation system Noise Reduction & Sound Absorption Noise Reduction*: The minimum allowable noise reduction of completely assembled rooms, as tested in accordance with ASTM Standards in a recognised independent and approved laboratory, as shown in the table below. Octave Band Centre Frequency (Hz) 125 Noise Reduction (dB) for Double Wall Booths Sound Absorption Coefficient Sound Absorption: The composite sheet metal and sound absorbing assembly shall have a sound absorption coefficient based on laboratory tests in accordance with ASTM C423-77 as shown in the table below. 120.0 Double Wall Single Wall Noise-reduction measurements shall be made in accordance with the following ASTM Designations: E596 and, where applicable, portions of E90 and E336. * Defined as the measured difference between the sound pressure levels in a reverberant room, outside the booth and inside the booth. Octave Band Center Frequency, Hz. making the world a quieter place Uncontrolled copy when printed

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