
7
Names of Parts and Functions
Side view and top view
11
4dB
250Hz
### #
dB
.
JIS C 1515:2004
IEC 60942:2003
SOUND CALIBRATOR
Class LS/C and Class 1/C
Sound Pressure Level
Frequency 250 Hz
Ser. No.
Nominal sound pressure level
Nominal frequency
Sound pressure level indication
Serial number
(Specified sound pressure level at reference conditions)