Svantek SV 971A - Effect of the SA 22 Windscreen

SV 971A User Manual – Appendixes
227
C.1.2 Effect of the SA 22 windscreen
Note: When using the SA22 windscreen the Windscreen compensation
filter must be On to ensure good tolerances margin of the SV 971A
frequency response.
Windscreen SA22 Free Field typical response and compensated effect
Table C.1.10. Effect of the SA 22 windscreen
Frequency
SA 22 typical Free
Field effect
Compensation
filter
Compensated SA 22
Free Field effect
Uncertainty
(IEC 62585:2012)
[Hz]
[dB]
[dB]
[dB]
[dB]
251
-0.08
-0.01
-0.09
0.20
259
-0.08
-0.01
-0.09
0.20
266
-0.08
-0.01
-0.09
0.20
274
-0.07
-0.02
-0.09
0.20
282
-0.07
-0.02
-0.09
0.20
290
-0.06
-0.02
-0.08
0.20
299
-0.06
-0.02
-0.08
0.20
307
-0.05
-0.02
-0.07
0.20
316
-0.05
-0.02
-0.07
0.20
325
-0.05
-0.02
-0.07
0.20
335
-0.05
-0.02
-0.07
0.20
345
-0.05
-0.02
-0.07
0.20
355
-0.05
-0.03
-0.08
0.20
365
-0.05
-0.03
-0.08
0.20
376
-0.05
-0.03
-0.08
0.20
387
-0.05
-0.03
-0.08
0.20
398
-0.05
-0.03
-0.08
0.20
410
-0.05
-0.03
-0.08
0.20
422
-0.04
-0.04
-0.08
0.20
SA 22 Windscreen Effect
-1,20
-1,00
-0,80
-0,60
-0,40
-0,20
0,00
0,20
0,40
0,60
0,00 5000,00 10000,00 15000,00 20000,00
[Hz]
[dB]
SA22 free fiield response Windscreen compensation filter Compensated Windscree Effect