Svantek SV 971A - Page 263

SV 971A User Manual – Appendixes
263
ACO 7152 Free Field frequency response for 90 deg incidence angle
Table C.5.7. ACO 7152 Free Field corrections for the electrostatic actuator for 90 deg incidence angle
[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
0.31
0.31
0.12
0.19
0.12
0.12
Uncertainty
(IEC 62585)
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
[dB]
Frequency [Hz]
1000
1250
1600
2000
2500
3150
4000
5000
6300
8000
10000
12500
16000
20000
Correction
factors
0.09
0.11
0.09
-0.05
-0.05
-0.03
-0.23
-0.28
-0.39
0.01
0.17
0.64
1.38
2.16
Uncertainty
(IEC 62585)
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.35
0.35
0.35
0.35
0.50
0.50
0.50