Larson Davis 824 - Page 633

9/29/09 F-3
1
Add numbers in this column to levels read on the 824 to correct the level at a specific frequency
6683.4 0.5 -0.5 -0.2 0.3 -0.3 0.35
7079.46 -0.1 0.1 -0.2 -0.3 0.3 0.35
7498.94 0.1 -0.1 -0.3 -0.2 0.2 0.35
7943.28 0.5 -0.5 -0.5 -0.1 0.1 0.40
8413.95 0.2 -0.2 -0.4 -0.2 0.2 0.40
8952.51 0.5 -0.5 -0.3 0.2 -0.2 0.40
9440.61 0.7 -0.7 -0.5 0.2 -0.2 0.40
1000.00 0.7 -0.7 -0.3 0.5 -0.5 0,45
10592.54 0.5 -0.5 -0.6 0.0 0.0 0,45
11220.18 0.7 -0.7 -0.4 0.3 -0.3 0,45
11885.01 0.7 -0.7 -0.8 -0.1 0.1 0,45
12589.25 0.6 -0.6 -0.6 0.0 0.0 0.50
13335.21 0.1 -0.1 -0.6 -0.5 0.5 0.50
14125.38 0.3 -0.3 -0.7 -0.4 0.4 0.50
14962.36 0.8 -0.8 -0.8 0.0 0.0 0.50
15848.93 1.3 -1.3 -1.0 0.3 -0.3 0.60
16788.04 1.2 -1.2 -1.0 0.2 -0.2 0.60
17782.79 0.9 -0.9 -0.8 0.1 -0.1 0.60
18836.49 0.7 -0.7 -0.7 0.0 0.0 0.60
19952.62 0.5 -0.5 -1.0 -0.5 0.5 0.75
Frequency, Hz
0

Free Field
Response
dB
0

Free Field
Correctons
1
dB
Effect of
Windscreen
dB
Windscreen on
824,
0
Free Field
dB
0

Free Field
Corrections
with Wind
Screen on 824
dB
1
Expanded
uncertainty
of
Corrections
@95% dB