Setting of the frequency weighting characteristics

Setting of the frequency weighting characteristics

There are three kinds of frequency weighting, such as A, C and FLAT. Select it by the panel switch [A/C/FLAT] according to your measurement purpose.


The frequency weighting according to the measurement purpose

Refer the following table to select the frequency weighting according to measurement application or purpose.



·Applicable to general sound measurement


·Measures approximated sound pressure level in sound measurement

·Measures criterion of magnitude of low-frequency components in comparison with A-weighted sound pressure level measurement value

·When records AC output


·Measures a pressure level in acoustic measurement


Selecting the frequency weighting

Each time you press the panel switch [A/C/FLAT] the weighting changes as follows; A-weighting, C-weighting, FLAT, A-weighting,…




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