3M BK4936, Version A: QE7052 Table J.11 -Pressure Field to Free Field Corrections , Table J.12 - Pressure Field to Random Incidence Corrections , , Table J.13-Broadband

Page 218 Microphones
BK4936 microphone using random incidence corrector (Figures/Tables “J”)
053-469 RevC
SoundPro models SE and DL Data Addendum
Table J.11 -Pressure Field to Free Field Corrections
Frequency
in Hz
BK4936
R.I.C.
Correction
in dB
125
0.04
250
0.00
1000
-0.20
2000
0.26
4000
1.94
Table J.12 - Pressure Field to Random Incidence Corrections
Frequency
in Hz
BK4936
R.I.C.
Correction
in dB
125
0.05
250
0.00
1000
-0.03
2000
0.07
4000
1.27
Self Generated Noise
Table J.13-Broadband
SPL
LEQ
Fast Response
Range
(dB)
A Weighting
C Weighting
Z Weighting
A Weighting
C Weighting
Z Weighting
-20 to 70
22.9
30.1
37.4
22.8
30.1
37.0
-10 to 80
22.8
29.8
37.1
22.8
30.3
37.2
0 to 90
22.8
30.2
36.6
22.8
30.2
37.3
10 to 100
22.8
30.0
36.6
22.8
30.2
37.6
20 to 110
23.3
30.3
36.5
23.3
30.5
37.5
30 to 120
26.2
31.4
36.8
26.2
31.1
37.1
40 to 130
33.3
34.4
38.2
33.4
34.6
38.9
50 to 140
42.1
42.1
43.1
42.1
42.2
42.8
Slow Response
Range
(dB)
A Weighting
C Weighting
Z Weighting
A Weighting
C Weighting
Z Weighting
-20 to 70
22.8
30.3
37.4
22.8
30.3
37.7
-10 to 80
22.8
30.3
37.4
22.7
30.3
37.7
0 to 90
22.8
30.2
37.5
22.8
30.2
37.5
10 to 100
22.8
30.2
37.9
22.7
30.2
37.6
20 to 110
23.3
30.2
37.5
23.3
30.3
37.3
30 to 120
26.2
31.0
37.6
26.2
31.0
37.9
40 to 130
33.4
34.6
38.6
33.4
34.6
38.5
50 to 140
42.2
42.1
43.0
42.2
42.1
42.9