SVAN 973 User Manual
– Appendixes
167
ST 973 and SV 973 frequency characteristics
Table C.9
ST 973 free field corrections with the use of the Bruel & Kjaer 4226 sound calibrator
[dB]
Frequency [Hz]
31.5
63
125
250
500
1000
2000
4000
8000
Typical pressure
response
0.00
0.00
0.00
0.00
0.00
0.00
-1.70
-4.60
-7.70
ST 973
Free Field
corrections
-0.50
-0.10
0.00
0.00
0.00
0.00
0.00
1.30
3.45
Uncertainty
(IEC 62585:2012)
0.25
0.25
0,25
0.25
0.25
0.25
0.25
0.25
0.35
Table C.10
Typical ST 973 and SV 973 frequency characteristics
Frequency
ST 973 Free Field
response
SV 973 Free Field
compensated
response
Compensated
Case Effect
Uncertainty
(IEC 62585:2012)
[Hz]
[dB]
[dB]
[dB]
[dB]
20
-0.82
-0.93
-0.11
0.25
25
-0.67
-0.78
-0.11
0.25
32
-0.49
-0.60
-0.11
0.25
40
-0.31
-0.42
-0.12
0.25
50
-0.16
-0.28
-0.11
0.25
63
-0.09
-0.21
-0.12
0.25
79
-0.06
-0.17
-0.12
0.25
100
-0.02
-0.14
-0.12
0.25
126
-0.02
-0.14
-0.11
0.25
158
-0.03
-0.14
-0.11
0.25
200
-0.03
-0.14
-0.11
0.25
251
-0.02
-0.14
-0.12
0.25
259
-0.02
-0.10
-0.08
0.25
Summary of Contents for SV 973
Page 157: ...SVAN 973 User Manual Appendixes 157 250 Hz 315 Hz 400 Hz 500 Hz 630 Hz 800 Hz...
Page 158: ...SVAN 973 User Manual Appendixes 158 1000 Hz 1250 Hz 1600 Hz 2000 Hz 2240 Hz 2500 Hz...
Page 159: ...SVAN 973 User Manual Appendixes 159 2800 Hz 3150 Hz 3550 Hz 4000 Hz 4500 Hz 5000 Hz...
Page 172: ...SVAN 973 User Manual Appendixes 172 250 Hz 315 Hz 400 Hz 500 Hz 630 Hz 800 Hz...
Page 173: ...SVAN 973 User Manual Appendixes 173 1000 Hz 1250 Hz 1600 Hz 2000 Hz 2240 Hz 2500 Hz...
Page 174: ...SVAN 973 User Manual Appendixes 174 2800 Hz 3150 Hz 3550 Hz 4000 Hz 4500 Hz 5000 Hz...
Page 185: ...SVAN 973 User Manual Appendixes 185 500 Hz 1 1 octave filter 250 Hz 1 1 octave filter...
