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Measuring Instruments
SoundPro SE Series
Page 27 (Z-Weighting)
3M SoundPro SE Series - Z-Weighting
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Page
20
Self Generated Noise
1/3 Octave Band
053-
46
9 RevC
SoundPro mode
ls SE and DL
Data
Addendum
Z-Weighting
Table A.32- Z Wei
ghting, Fast Response
,
SPL
When using 18 pF,
50 Ohm Term
i
nation
Z Weighting, Fast Respon
se, SPL
Range
(dB)
12.5
Hz
16
Hz
20
Hz
25
Hz
31.5
Hz
40
Hz
50
Hz
63
Hz
80
Hz
100
Hz
125
Hz
160
Hz
200
Hz
250
Hz
315
Hz
400
Hz
500
Hz
630
Hz
-10 to 70
25.2
25.3
22.6
21.8
21.4
19.8
19.1
18.7
18.5
16.3
16.5
14.8
14.4
13.6
12.3
12.0
11.0
10.3
0 to 80
25.3
23.7
22.8
21.4
21.8
22.1
20.0
19.1
18.0
17.2
16.7
15.9
14.7
14.0
13.0
12.0
11.2
10.0
10 to 90
25.7
24.4
22.9
23.5
21.8
21.2
19.7
19.3
18.5
17.1
15.8
14.9
14.2
13.6
12.4
11.7
10.7
10.3
20 to 100
25.3
23.5
23.9
23.8
21.7
21.2
19.2
20.0
17.6
17.4
16.3
14.5
14.1
13.7
12.9
12.0
11.0
10.4
30 to 110
23.9
25.5
23.8
21.0
23.1
20.1
19.3
19.5
18.2
16.7
15.5
14.0
14.6
13.7
12.5
11.2
10.4
9.9
40 to 120
26.6
23.9
21.3
21.8
21.6
20.0
18.7
19.2
18.4
16.7
16.7
15.4
13.6
13.1
12.1
13.2
13.2
13.2
50 to 130
23.5
24.9
22.0
22.5
22.3
21.2
19.6
20.6
18.3
18.1
17.7
17.4
20.2
20.2
20.2
23.2
23.2
23.2
60 to 140
26.7
23
.9
25.9
23.8
25.8
26.5
24.7
24.5
24.2
27.2
27.2
27.2
30.2
30.2
30.2
33.2
33.2
33.2
90 to 170
71.2
61.3
58.8
61.7
61.7
61.7
64.7
64.7
64.7
67.7
67.7
67.7
70.7
70.7
70.7
73.8
73.8
73.8
Range
(dB)
800
Hz
1000
Hz
1250
Hz
1600
Hz
2000
Hz
2500
Hz
3150
Hz
4000
Hz
5000
Hz
6300
Hz
8000
Hz
10
kHz
12.5
kHz
16
kHz
20
kHz
-10 to 70
9.0
9.0
8.6
7.9
7.9
7.9
8.2
8.5
9.0
9.6
10.5
11.4
12.0
13.0
13.8
0 to 80
9.2
8.5
8.2
7.9
7.6
7.9
8.0
8.4
9.3
9.5
10.5
11.3
12.0
12.9
13.8
10 to 90
9.1
8.5
8.2
7.8
7.8
7.7
7.9
8.4
9.
0
9.5
10.5
11.2
12.1
12.9
13.8
20 to 100
9.1
8.6
8.1
7.6
7.3
7.6
8.0
8.3
8.6
9.2
10.1
11.2
11.3
13.0
13.7
30 to 110
9.0
8.9
7.6
9.2
9.2
9.2
12.3
12.3
12.3
15.3
15.3
15.3
18.3
18.3
18.3
40 to 120
16.2
16.2
16.2
19.2
19.2
19.2
22.3
22.3
22.3
25.3
25.3
25.
3
28.3
28.3
28.3
50 to 130
26.2
26.2
26.2
29.2
29.2
29.2
32.3
32.3
32.3
35.3
35.3
35.3
38.3
38.3
38.3
60 to 140
36.2
36.2
36.2
39.2
39.2
39.2
42.3
42.3
42.3
45.3
45.3
45.3
48.3
48.3
48.3
90 to 170
76.8
76.8
76.8
79.8
771.0
79.8
82.8
82.8
82.9
85.8
85.8
85.8
85.8
84.8
83.8
26
28
Table of Contents
Main Page
Default Chapter
2
Table of Contents
2
About this Manual
8
Introduction of Specifications
8
Filter Information
8
Magnetic Fields
8
Midband Frequency
9
Microphone Classes Defined
10
Self Generated Noise
11
Broadband
11
Octave Band
12
A-Weighting
12
C-Weighting
13
Table A.9- Slow Response and LEQ
13
Table A.12- Slow Response and SPL
14
Z-Weighting
15
Table A.20- Slow Response and SPL
16
1/3 Octave Band
17
A-Weighting
17
Table A.23- Fast Response and LEQ
18
Table A.24- Slow Response and SPL
19
Table A.25- Fast Response and LEQ
20
Table A.26- Slow Response and SPL
21
Table A.27 - Slow Response and LEQ
22
C-Weighting
23
Table A.29- Fast Response and LEQ
24
Table A.30- Slow Response and SPL
25
Table A.31- Slow Response and LEQ
26
Z-Weighting
27
Table A.33- Z Weighting, Fast Response and LEQ
28
Table A.34- Z Weighting, Slow Response and SPL
29
Table A.35- Z Weighting, Slow Response and LEQ
30
Linear Operating Range
32
Table A.41- Broad Band C Weighting
37
Table A.42- Broad Band with Z-Weighting
43
Table A.44- Octave Band
48
Table A.45- One-Third Octave Band
51
Peak C ______________________________________________________________________________50
57
Table A.46- Peak C Level Range
57
QE7052 Microphone (Figures/Tables "B")
58
Figure B.2 - 0-90 Degree Incidence Angles
59
QE7052 Microphone (Figures/Tables “B”) ______________________________________________________ 51
59
Figure C.2 - 0-90 Degree Incidence Angles
79
QE7052 Microphone with Windscreen (Figures/Tables “C”)_______________________________________ 71
79
Directional Frequency Response Using Remote Preamp with Z Weighting
99
QE7052 Microphone Using Remote Preamp (Figures/Tables “D”) ___________________________________92
99
Figure D.2 - 0-90 Degree Incidence Angles
100
Figure D.3 - 0-150 Degree Incidence Angles
101
Figure D.4 - 0-180 Degree Incidence Angles
102
Random Incidence
103
Corrections
104
Table D.7- Pressure to Free Field Corrections
105
Self Generated Noise
106
Table D.11- 1/3 Octave Band
110
QE7052 Microphone Using Windscreen & Remote Preamp (Figures/Tables "E")
117
QE7052 Microphone Using Windscreen & Remote Preamp (Figures/Tables “E”) ______________________ 110
117
Figure C.3- 0-150 Degree Incidence Angles
80
Figure C.4 - 0-180 Degree Incidence Angles
81
Directional Frequency Response Using Windscreen & Face Toward Speaker
82
Figure C.6- 0-90 Degree Incidence Angles
83
Figure C.7 - 0-150 Degree Incidence Angles
84
Figure C.8- 0-180 Degree
85
Random Incidence
86
Corrections
87
Table C.11- Reflection, Diffraction, Microphone Frequency Response, and Windscreen Corrections
88
Self Generated Noise
89
Table C.14- 1/3 Octave Band
93
QE7052 Microphone Using Remote Preamp (Figures/Tables "D")
99
Figure B.3 - 0-150 Degree Incidence Angles
60
Figure B.4 - 0-180 Degree Incidence Angles
61
Directional Frequency Response with Mounted Face Toward Speaker
62
Figure B.6 - 0-90-Degree Incidence Angles
63
Figure B.7 - 0-150-Degree Incidence Angles
64
Figure B.8 - 0-180-Degree Incidence Angles
65
Random Incidence
66
Corrections
67
Table B.11 - Pressure Field to Free Field Corrections
68
Table B.14 - Octave Band
69
Table B.15- 1/3 Octave Band
72
QE7052 Microphone with Windscreen (Figures/Tables "C")
78
Tolerance: IEC 61672 Class 2
117
Directional Frequency Response with Z Weighting
117
Figure E.2 - 0-90 Degree Incidence Angles
118
Figure E.3 - 0-150 Degree Incidence Angles
119
Figure E.4 - 0-180 Degree Incidence Angles
120
Random Incidence
121
Corrections
122
Table E.7- Reflection, Diffraction, Microphone Frequency Response, and Windscreen
123
Table E.8 - Pressure Field to Free Field Corrections
124
Self Generated Noise
125
Table E.12- 1/3 Octave Band
129
Table E.12- (Continued)
135
BK4936 Microphone (Figures/Tables "F")
136
BK4936 Microphone (Figures/Tables “F”) _____________________________________________________129
136
BK4936 Microphone with Windscreen (Figures/Tables “G”) _____________________________________ 150
158
Self Generated Noise
169
Table G.16 – 1/3 Octave Band
172
Table G.16 – 1/3 Octave Band
173
BK4936 Microphone Using Remote Preamp (Figures/Tables "H")
179
BK4936 Microphone Using Remote Preamp (Figures/Tables “H”) __________________________________172
180
Figure H.2 - 0-90 Degree Incidence Angels
180
Figure H.3 - 0-150 Degree Incidence Angels
181
Figure H.4 - 0-180 Degree Incidence Angels (IEC 61672 Class 1)
182
Random Incidence
183
Corrections
184
Table H.7 -Pressure Field to Free Field
185
Self Generated Noise
186
Table H.10 – Octave Band
187
Table H.11- 1/3 Octave Band
190
BK4936 Microphone Using Windscreen and Remote Preamp (Figures/Tables "I")
197
Figure I.2 -0-90 Degree Incidence Angles
198
Figure I.3 - 0-150 Degree Incidence Angles
199
Figure I.4 - 0-180 Degree Incidence Angles
200
Random Incidence
201
Corrections
202
Figure I.7 - Reflection, Diffraction, and Microphone Frequency Response
203
Table I.8- Pressure Field to Free Field
204
Table I.11 – Octave Band
205
Table I.12- 1/3 Octave Band
208
BK4936 Microphone Using Random Incidence Corrector (Figures/Tables "J")
215
Figure J.2 - 0-90 Degree Incidence Angles
216
Figure J.3- 0-150 Degree Incidence Angles
217
Figure J.4- 0-180 Degree Incidence Angles
218
Figure J.5 - 0-30 Degree Incidence Angles
219
Figure J.6 - 0-90 Degree Incidence Angles
220
Figure J.7 - 0-150 Degree Incidence Angles
221
Figure J.8- 0-180 Degree Incidence Angles
222
Random Incidence
223
Table J.10 - Reflection, Diffraction, Microphone Frequency Response, and Windscreen
224
Table J.11 -Pressure Field to Free Field Corrections
225
Table J.14 – Octave Band
226
Table J.15- 1/3 Octave Band
229
BK4936 Microphone Using Random Incidence Corrector and Windscreen (Figures/Tables "K")
236
Figure K.2- 0-90 Degree Incidence Angles
237
Figure K.3 - 0-150 Degree Incidence Angles
238
Figure K.4 - 0-180 Degree Incidence Angles
239
Directional Frequency Response Using Face Toward Speaker
240
Figure K.6 - 0-90 Degree Incidence Angles
241
Figure K.7 - 0-150 Degree Incidence Angles
242
Figure K.8 -0-180 Degree Incidence Angles
243
Random Incidence
244
Corrections
245
Figure K.11 -Reflection, Diffraction, and Microphone Frequency Response
246
Self Generated Noise
247
Table K.13 – Octave Band
248
Table K.14- 1/3 Octave Band
251
BK4936 Microphone with Random Incidence Corrector Using a Remote Preamp (Figures/Tables "L")
258
Figure L.2 - 0-90 Degree Incidence Angles
259
Figure L.3 - 0-150 Degree Incidence Angles
260
Figure L.4 - 0-180 Degree Incidence Angles
261
Random Incidence
262
Corrections
263
Figure L.7- Pressure Field to Free Field Corrections
264
Table L.10 – Octave Band
265
Table L.11- 1/3 Octave Band
268
BK4936 Microphone Using Random Incidence Corrector, Windscreen & Remote Preamp (Figures/Tables "M
275
Figure M.2 -0-90 Degree Incidence Angles
276
Figure M.3 - 0-150 Degree Incidence Angles
277
Figure M.4 - 0-180 Degree Incidence Angles
278
Random Incidence
279
Corrections
280
Figure M.7 -Reflection, Diffraction, and Microphone Frequency Response
281
Directional Frequency Response Using Side Toward Speaker
136
Figure F. 2- 0-90 Degree Incidence Angles
137
Figure F. 3 - 0-150 Degree Incidence Angles
138
Figure F. 4 - 0-180 Degree Incidence Angles (IEC 61672 Class 1)
139
Directional Frequency Response Using Face Toward Speaker
140
Figure F. 6 - 0-90 Degree Incidence Angles
141
Figure F.7 - 0-150 Degree Incidence Angles
142
Figure F.8 - 0-180 Degree Incidence Angles
143
Random Incidence
144
Corrections
145
Figure F.11 - Pressure Field to Free Field
146
Table F.14 – Octave Band
147
Table F.15- 1/3 Octave Band
150
BK4936 Microphone with Windscreen (Figures/Tables "G")
157
Figure G.2 - 0-90 Degree Incidence Angles
158
Figure G.3 - 0-150 Degree Incidence Angles
159
Figure G.4- 0-180 Degree Incidence Angles
160
Directional Frequency Response Using Face Toward Speaker
161
Figure G.6- 0-90 Degree Incidence Angles
162
Figure G.7 - 0150 Degree Incidence Angles
163
Figure G.8 - 0-180 Degree Incidence Angles
164
Random Incidence
165
Corrections
166
Table G.11- Reflection, Diffraction, and Microphone Frequency Response
167
Figure G.12 - Pressure Field to Free Field
168
BK4936 Microphone Using Random Incidence Corrector (Figures/Tables “J”) ________________________208
216
BK4936 Microphone Using Random Incidence Corrector and Windscreen (Figures/Tables “K”) __________229
237
BK4936 Microphone with Random Incidence Corrector Using a Remote Preamp (Figures/Tables “L”)____ 251
259
_________________________________________________________________________________________ 268
276
Self Generated Noise
282
Table M.9 – Octave Band
283
Table M.10 - 1/3 Octave Band
286
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