Larson Davis SoundAdvisor 831C, Reference Manual

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SoundAdvisor Model 831C B-6
FIGURE B-2
Situational Correction Factors for the EPS2116
Table B.4 EPS2116 Windscreen Corrections
Random Incidence
Response
FF:RI 2116 Free Field to Random Incidence EPS 2116
Frequency
Free Field to Free Field
EPS2116 Correction Factor
Free Field to 90 Degree
EPS2116 Correction Factor
Free Field to Random
Incidence EPS2116
Correction Factor
Expanded
Uncertainty
Hz dB dB dB dB
63.10 0.00 0.00 0.00 0.20
79.43 0.00 0.00 0.00 0.20
100.00 0.00 0.00 0.00 0.20
125.89 0.00 0.00 0.00 0.20
158.49 0.00 0.00 0.00 0.20
199.53 0.04 0.00 0.00 0.20
251.19 0.07 0.00 0.00 0.20
Test Sound Level Meter Filter
EPS 2116 Correction
(See Table A.2)
-12.00
-10.00
-8.00
-6.00
-4.00
-2.00
0.00
2.00
200 2000 20000
Effect of
Windscreen
(dB)
Frequency (Hz)
Correction Factors for the EPS2116
EPS2116 at 0 Degrees EPS2116 at 90 Degrees EPS2116 at Random Incidence