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AS/NZS ISO 140.7:2006
$149.01
Acoustics – Measurement of sound insulation in buildings and of building elements, Part 7: Field measurements of impact sound insulation of floors (ISO 140-7:1998, MOD)
Adopts ISO 140-7:1998 with national modifications to specify field methods for the measuring the impact sound insulation properties of building floors by using a standard tapping machine. This method is applicable bare floors and also to floor with coverings.
Table of contents
Header
About this publication
Preface
1 Scope
2 Normative references
3 Definitions
4 Equipment
5 Test procedure and evaluation
5.1 General
5.2 Generation of sound field
5.3 Measurement of impact sound pressure level
5.3.1 General
5.3.2 Microphone positions
5.3.3 Measurement
5.3.4 Averaging time
5.4 Frequency range of measurements
5.5 Measurement of reverberation time and evaluation of the equivalent sound absorption area
5.6 Correction for background noise
6 Precision
7 Expression of results
8 Test report
Annex A
Annex B
B.1 General
B.2 Measurement of impact sound pressure level
B.3 Frequency range of interest
B.4 Measurement of reverberation time and evaluation of the equivalent sound absorption area
