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
Summary of Contents for System 824
Page 1: ...Model 824 Precision Sound Level Meter Real Time Analyzer Reference Manual...
Page 2: ......
Page 3: ...I824 01 Rev P Technical Reference Manual Larson Davis Model 824...
Page 58: ...2 18 824 Reference Manual 9 29 09...
Page 120: ...4 24 824 Reference Manual 9 29 09...
Page 194: ...5 74 824 Reference Manual 9 29 09...
Page 284: ...7 80 824 Reference Manual 9 29 09...
Page 312: ...8 28 824 Reference Manual 9 29 09...
Page 330: ...9 18 824 Reference Manual 9 29 09...
Page 366: ...10 36 824 Reference Manual 9 29 09...
Page 460: ...A 4 824 Reference Manual 9 29 09 shown below Both versions work properly with the Model 824...
Page 538: ...A 82 824 Reference Manual 9 29 09...
Page 546: ...B 8 824 Reference Manual 9 29 09...
Page 569: ...9 29 09 C 23 Windscreen Response with Respect to No Windscreen...
Page 596: ...C 50 824 Reference Manual 9 29 09...
Page 630: ...E 10 824 Reference Manual 9 29 09...
Page 638: ...F 8 824 Reference Manual 9 29 09...
Page 648: ...G 10 824 Reference Manual 9 29 09...
Page 672: ...iv xxiv Index Model 831 Technical Reference Manual...