Casella HB3340-02 Manual do Operador descarregar pdf (Página 34)

Casella CEL Limited 34

Casella CEL-62X with CEL-251 Microphone Free Field response with and

without Wind Screen.

Nominal

Frequency

Actual

Frequency

0 Degree

Free Field

Response

0 Degree

Free Field

Corrections

Effect of

Wind

Screen

0 Degree

Free Field

Response

with wind

Screen

0 Degree

Free Field

Corrections

with Wind

Screen

Expanded

uncertainty

of

Corrections

(k=2)

Hz Hz dB dB dB dB dB dB

250 251.19 0.0 0.0 0.0 0.0 0.0 0.16

315 316.23 -0.1 0.1 0.0 -0.1 0.1 0.16

400 398.11 0.1 -0.1 0.0 0.1 -0.1 0.16

500 501.19 0.1 -0.1 0.0 0.1 -0.1 0.16

630 630.96 0.0 0.0 0.1 0.1 -0.1 0.17

800 794.33 0.1 -0.1 0.1 0.2 -0.2 0.18

1000 1000.00 -0.1 0.1 0.1 0.0 0.0 0.19

1250 1258.92 0.0 0.0 0.2 0.2 -0.2 0.19

1600 1584.89 -0.4 0.4 0.3 -0.1 0.1 0.20

2000 1995.26 -0.2 0.2 0.4 0.2 -0.2 0.21

2240 2238.72 0.1 -0.1 0.4 0.5 -0.5 0.21

2500 2511.88 0.4 -0.4 0.5 0.9 -0.9 0.21

2800 2818.38 0.2 -0.2 0.5 0.7 -0.7 0.22

3150 3162.27 -0.3 0.3 0.6 0.3 -0.3 0.22

3550 3548.13 -0.9 0.9 0.7 -0.2 0.2 0.23

4000 3981.07 0.0 0.0 0.7 0.7 -0.7 0.23

4500 4466.83 0.0 0.0 0.7 0.7 -0.7 0.25

5000 5011.86 -0.1 0.1 0.6 0.5 -0.5 0.26

5600 5623.40 -0.4 0.4 0.5 0.1 -0.1 0.28

6300 6309.56 -0.7 0.7 0.2 -0.5 0.5 0.29

7100 7079.45 -0.1 0.1 -0.1 -0.2 0.2 0.32

8000 7943.27 -0.3 0.3 -0.3 -0.6 0.6 0.35

8500 8413.94 -0.4 0.4 -0.4 -0.8 0.8 0.38

9000 8912.49 -0.6 0.6 -0.5 -1.1 1.1 0.41

9500 9440.59 -0.8 0.8 -0.5 -1.3 1.3 0.44

10000 9999.98 -0.9 0.9 -0.7 -1.6 1.6 0.46

10600 10592.52 -0.8 0.8 -0.7 -1.5 1.5 0.48

11200 11220.16 -0.6 0.6 -0.9 -1.5 1.5 0.50

11800 11885.00 -1.0 1.0 -1.0 -2.0 2.0 0.52

12500 12589.23 -0.7 0.7 -1.2 -1.9 1.9 0.53

13200 13335.19 -1.0 1.0 -1.3 -2.3 2.3 0.55

14000 14125.35 -0.9 0.9 -1.4 -2.3 2.3 0.57

15000 14962.33 -1.0 1.0 -1.5 -2.5 2.5 0.59

16000 15848.90 -0.9 0.9 -1.9 -2.8 2.8 0.60

17000 16788.00 -1.0 1.0 -2.1 -3.1 3.1 0.60

18000 17782.76 -1.0 1.0 -2.4 -3.4 3.4 0.60

19000 18836.45 -1.0 1.0 -2.7 -3.7 3.7 0.60

20000 19952.58 -1.3 1.3 -2.6 -3.9 3.9 0.60

Corrections below 250Hz are 0.0dB

1 2 ... 29 30 31 32 33 34 35 36 37

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