Svantek SV 977D User Manual

338
SV 977D User Manual - Appendixes
Frequency
Compensation filter
for 0 deg incidence
angle “Outdoor
Airport”
Typical compensated
response of SV 977D
with SA 277D for 0 deg
incidence angle
Compensated Case
Effect of SA 277D for
0 deg incidence
angle
Uncertainty
(IEC 62585:2012)
[Hz]
[dB]
[dB]
[dB]
[dB]
12 589
1.33
-1.10
-0.79
0.35
12 957
2.61
-1.41
-1.22
0.35
13 335
3.59
-1.93
-1.60
0.35
13 725
4.11
-2.22
-2.07
0.35
14 125
4.10
-2.50
-2.25
0.35
14 538
3.56
-2.73
-2.74
0.35
14 962
2.59
-3.16
-3.13
0.35
15 399
1.42
-3.96
-3.95
0.35
15 849
0.38
-5.23
-5.33
0.35
16 312
-0.35
-6.81
-6.71
0.35
16 788
-0.91
-8.54
-8.42
0.35
17 278
-1.84
-10.38
-10.12
0.35
17 783
-3.75
-12.80
-12.56
0.35
18 302
-7.21
-16.47
-16.22
0.35
18 836
-12.73
-20.62
-20.57
0.35
19 387
-19.71
-27.10
-26.71
0.35
19 953
-22.89
-30.55
-30.34
0.35
Table C.7.12. SV 977D with SA 277D combined Free Field corrections with the use of the electrostatic
actuator for 0 deg incidence angle (microphone corrections + compensated Case Effect)
[dB]
Frequency [Hz]
20
25
31.5
40
50
63
80
100
125
160
200
250
315
400
500
630
800
Correction
factors
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
-0.16
-0.08
-0.04
-0.08
-0.17
-0.04
Complex
uncertainty
--
--
--
--
--
0.35
0.35
0.35
0.35
0.35
0.35
0.35
0.35
0.35
0.35
0.35
0.35
[dB]
Frequency [Hz]
1000
1250
1600
2000
2500
3150
4000
5000
6300
8000
10000
12500
16000
20000
Correction
factors
0.18
0.28
-0.32
0.38
0.06
0.90
1.70
2.15
3.01
4.17
5.77
6.10
3.89
-18.52
Complex
uncertainty
0.35
0.35
0.35
0.35
0.35
0.35
0.35
0.49
0.49
0.49
0.49
0.61
0.61
0.61

Svantek SV 977D Specifications

General

Brand	Svantek
Model	SV 977D
Category	Measuring Instruments
Language	English