User manual

286
Appendix
DIN15905-5 / DIN15905-5 & Audio
(Sound Level Monitoring in accordance with DIN15905-5)
The following limits apply at all areas accessible by the visitors
during the measurement period of 30 minutes:
Maximum averaged level = 99 dB •
The XL2 displays this maximum level with the measure-
ment result L
Aeq+k1
.
Maximum peak level L•
Cpeak
= 135 dB
These levels are shown in the numeric result page:
L
Aeq5”
+k1 Time-averaged sound pressure level L
Aeq
with correction value k1 and a moving time
window of 5 seconds.
L
Aeq
+k1 Time-averaged sound pressure level L
Aeq
with correction value k1.
L
Cpeak
+k2 C-weighted peak level L
Cpeak
with correc-
tion value k2.
The following sound levels are displayed in the real-time ana-
lyzer page:
L
ZFhold3
For tracing of feedback frequencies. The
peak hold time is set to 3 seconds.
L
ZFlive
Actual real-time spectra.