Larson Davis Spartan 821 - Page 104

Spartan 821/721 Manual IEC 61672-1 Section 9.3 B-15
FIGURE B-4 Graph of the EPS2116 Environmental Shroud Free-Field Response
TABLE B.6
Effects of EPS2116 Environmental Shroud
Frequency
EPS2116 at
0 Degrees
EPS2116 at
90 Degrees
EPS2116 at
Random
Incidence
Expanded
Uncertainty
of
Corrections
Hz dB dB dB dB
63
0.05 -0.03 -0.10 0.20
79
0.05 -0.03 -0.10 0.20
100
0.05 -0.03 -0.10 0.20
126
0.06 -0.03 -0.10 0.20
158
0.06 -0.03 -0.10 0.20
200
0.07 -0.03 -0.10 0.20
251
0.07 -0.03 -0.10 0.20
316
0.13 -0.13 -0.16 0.20
398
0.15 -0.02 -0.13 0.20
‐10
‐8
‐6
‐4
‐2
0
2
4
100 1000 10000
dB
Frequency(Hz)
EPS21160DegreeResponse‐NoCorrection