sound level meter Frequently Asked Questions
Question number FAQ-1175
Setting of Frequency Correction Characteristics
Setting of frequency correction characteristics
There are three types of frequency correction characteristics: A, C, and FLAT, which can be switched using the panel switch [A/C/FLAT] according to the measurement purpose.
Frequency correction characteristics by application
Please switch the frequency correction characteristics according to the applications and purposes, referring to the table below.
| A characteristic | - Corresponds to general noise measurement. |
|---|---|
| C characteristic | ・Measurement of sound pressure approximation in acoustic measurement ・Measurement of low-frequency components compared to noise measurement values of A characteristics ・During recording of AC output |
| FLAT | Sound pressure measurement during acoustic measurement. |
Switching of frequency correction characteristics
Each time you press the panel switch [A/C/FLAT], the frequency characteristics switch in the following order.
A characteristic → C characteristic → FLAT → A characteristic → ...
Last updated: 2002-01-09