Svantek SV 973, User Manual

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SVAN 973 User Manual
– Appendixes
155
Frequency ST 973 Free Field
response
SV 973 Free Field
compensated
response
Compensated
Case Effect
Uncertainty
(IEC 62585:2012)
[Hz] [dB] [dB] [dB] [dB]
4340 -4.34 -0.76 3.58 0.35
4467 -4.16 -0.39 3.78 0.35
4597 -4.63 -0.65 3.98 0.35
4732 -4.56 -0.66 3.90 0.35
4870 -4.77 -0.61 4.15 0.35
5012 -5.11 -0.83 4.28 0.35
5158 -5.21 -0.74 4.47 0.35
5309 -4.97 -0.75 4.22 0.35
5464 -5.17 -0.72 4.45 0.35
5623 -5.40 -1.12 4.28 0.35
5788 -5.70 -1.49 4.20 0.35
5957 -5.80 -1.62 4.18 0.35
6131 -5.41 -1.29 4.12 0.35
6310 -4.66 -0.92 3.74 0.35
6494 -5.18 -1.11 4.07 0.35
6683 -5.20 -1.30 3.90 0.35
6879 -5.44 -1.59 3.85 0.35
7079 -5.04 -1.43 3.61 0.35
7286 -5.62 -1.95 3.67 0.35
7499 -5.40 -1.95 3.45 0.35
7718 -5.07 -1.87 3.20 0.35
7943 -4.44 -1.10 3.33 0.35
8175 -4.51 -1.59 2.92 0.35
8414 -4.61 -1.80 2.81 0.35
8660 -4.08 -1.60 2.48 0.35
8913 -4.14 -1.67 2.47 0.35
9173 -4.06 -2.00 2.07 0.35
9441 -3.77 -1.48 2.30 0.35
9716 -3.28 -1.49 1.80 0.35
10000 -3.19 -1.56 1.62 0.35
Table C.5 SV 973 combined free field corrections (ST 973 + Compensated Case Effect) with the use of the
Bruel & Kjaer 4226 sound calibrator
[dB]
Frequency [Hz]
31.5 63 125 250 500 1000 2000 4000 8000
SV 973
Free Field
corrections
0.00 0.00 0.00 0.00 0.00 0.00 0.75 4.45 7.40
Uncertainty
(IEC 62585:2012)
0.35 0.35 0.35 0.35 0.35 0.35 0.35 0.35 0.49