3M SE-400 user manual Weighting A, C, Z

Models: SE-400

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Appendix B

Weighting (A, C, Z)

SPL measurements are commonly weighted (scaled) in relation to their frequency components in order to provide a consistent basis for comparison to other measurements of the same type. The three Sound Examiner curves are plotted in Figure B-5.

Figure B-5:All frequency weightings plotted together

Windscreen

A covering for a microphone that reduces disturbances caused by wind and direct contact with other surfaces.

Sound Examiner SE-400 Series

Page 45
Image 45
3M SE-400 user manual Weighting A, C, Z