9/29/09 F-1
APPENDIX
F
SLM Testing to IEC61672-1
This chapter presents information for testing the sound level
meter function of the System 824 according to IEC61672-1
Section 9.3. These data represent the performance of the
instrument when used with the Larson Davis Model 377B41
microphone.
Reference Sound Pressure
Level:
114 dB
Reference Level Range:
Microphone Reference Point: Center of diaphragm of Model 377B41 microphone
Mode Reference Level Range
ISM Normal
SSA 0 dB Gain
LOG Normal
FFT 0 dB Gain
RTA 0 dB Gain
AUD 0 dB Gain
TAL 0 dB Gain