3M SE-401 - Page 83

Data Addendum
Sound Examiner SE-400 Series
76
Pressure to random incidence corrections with QE7052 microphone and windscreen (section 5.2.7)
Note: added to the pressure response to calculate random incidence response.
Frequency
in Hz
QE7052 microphone &
windscreen
Random Incidence
Corrections
in dB
32
0.4
40
0.3
50
0.3
63
0.2
80
0.1
100
0.0
125
0.0
160
-0.1
200
-0.1
250
0.0
315
-0.1
400
0.0
500
-0.1
630
-0.1
800
0.0
1000
0.0
1250
0.0
1600
-0.3
2000
0.1
2500
0.3
3150
0.4
4000
0.7
5000
1.5
6300
2.8
8000
2.9
10000
1.5
12500
2.0
16000
2.8