Page 162

Microphones

BK4936 microphone with windscreen (Figures/Tables “G”)

Self Generated Noise

Table G.14- 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

Table G.15 – Octave Band

A Weighting, Fast Response, SPL

Range

 

 

 

 

 

 

 

 

 

 

 

(dB)

16 Hz

31.5 Hz

63 Hz

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

8000 Hz

16 kHz

-10 to 70

-16.9

-6.8

3.5

10.1

14.6

17.7

19.4

19.5

19.0

17.6

13.9

0 to 80

-16.9

-6.7

3.6

9.7

15.0

17.9

19.4

19.5

18.9

17.5

13.8

10 to 90

-15.1

-7.7

3.7

10.2

14.9

18.0

19.3

19.4

18.9

17.5

13.7

20 to 100

-6.6

-4.5

3.1

10.4

15.0

17.7

19.3

19.3

18.8

17.3

14.2

30 to 110

3.6

-0.1

3.5

10.0

15.1

17.8

19.1

19.1

18.3

18.3

18.3

40 to 120

12.8

10.7

7.5

10.7

14.9

16.8

19.3

22.3

25.3

28.3

28.3

50 to 130

23.6

19.3

17.2

20.2

23.2

26.2

29.2

32.3

35.3

38.3

38.3

60 to 140

33.4

28.8

27.6

30.2

33.2

36.2

39.2

42.3

45.3

48.3

48.3

 

 

 

 

A Weighting, Fast Response, LEQ

 

 

 

 

Range

 

 

 

 

 

 

 

 

 

 

 

(dB)

16 Hz

31.5 Hz

63 Hz

125 Hz

250 Hz

500 Hz

1000 Hz

2000 Hz

4000 Hz

8000 Hz

16 kHz

-10 to 70

-16.9

-7.1

3.2

9.9

15.1

18.0

19.4

19.5

19.1

17.6

13.9

0 to 80

-16.8

-7.0

3.4

10.0

14.9

18.0

19.4

19.5

18.9

17.6

13.8

10 to 90

-15.0

-6.6

3.0

9.8

14.8

17.8

19.3

19.4

18.9

17.5

13.8

20 to 100

-6.9

-5.9

3.0

9.8

14.8

17.8

19.2

19.3

18.9

17.3

14.2

30 to 110

3.1

0.0

4.1

10.1

14.8

17.7

19.2

19.2

18.3

18.3

18.3

40 to 120

12.6

9.3

8.0

11.1

15.3

16.9

19.3

22.3

25.3

28.3

28.3

50 to 130

22.9

18.5

17.4

20.2

23.2

26.2

29.2

32.3

35.3

38.3

38.3

60 to 140

33.5

28.7

27.3

30.2

33.2

36.2

39.2

42.3

45.3

48.3

48.3

053-469 RevC

SoundPro models SE and DL Data Addendum

Page 169
Image 169
3M BK4936, Version A: QE7052 manual Table G.14- Broadband, Table G.15 Octave Band