CEL-63x Environmental & Occupational Noise Meter
80
Casella CEL
Nominal
Frequency
Actual
Frequency
0 Degree
Free Field
Response
0 Degree
Free Field
Corrections
Effect of
Wind Screen
0 Degree
Free Field
Response
with wind
Screen
0 Degree
Free Field
Corrections
with Wind
Screen
Expanded
uncertainty
of
Corrections
(k=2)
Hz
Hz
dB
dB
dB
dB
dB
dB
10000
9999.98
0.0
0.0
-0.3
-0.3
0.3
0.46
10600
10592.52
0.0
0.0
-0.4
-0.4
0.4
0.48
11200
11220.16
0.0
0.0
-0.5
-0.5
0.5
0.50
11800
11885.00
0.1
-0.1
-0.7
-0.6
0.6
0.52
12500
12589.23
0.0
0.0
-0.8
-0.8
0.8
0.53
13200
13335.19
-0.1
0.1
-1.0
-1.1
1.1
0.55
14000
14125.35
-0.1
0.1
-1.2
-1.3
1.3
0.57
15000
14962.33
-0.1
0.1
-1.3
-1.4
1.4
0.59
16000
15848.90
-0.1
0.1
-1.4
-1.5
1.5
0.60
17000
16788.00
0.0
0.0
-1.7
-1.7
1.7
0.60
18000
17782.76
0.0
0.0
-1.9
-1.9
1.9
0.60
19000
18836.45
0.0
0.0
-2.0
-2.0
2.0
0.60
20000
19952.58
0.0
0.0
-2.1
-2.1
2.1
0.60
1.
Corrections below 250Hz are 0.0dB
