Instruction Manual

Sound Level Meter Types 2245 – Instruction Manual Page 79 of 110
Nominal
Frequency
Exact
Frequency
(6 digits)
Microphone
Diffuse-field
Response
Expanded
Uncertainty
Influence
of
Windscr
een
Expanded
Uncertainty
Electrical
Response
Acoustical
Response
Expanded
Uncertainty
Hz Hz dB dB dB dB dB dB dB
3750 3758.37 -0.99 0.14 0.18 0.25 0.78 -0.03 0.28
4000 3981.07 -1.08 0.14 0.03 0.25 0.93 -0.12 0.29
4250 4216.97 -1.18 0.15 -0.13 0.25 1.10 -0.21 0.29
4500 4466.84 -1.28 0.15 -0.27 0.25 1.27 -0.28 0.29
4750 4731.51 -1.39 0.15 -0.39 0.32 1.45 -0.33 0.35
5000 5011.87 -1.51 0.16 -0.46 0.40 1.64 -0.33 0.43
5300 5308.84 -1.64 0.17 -0.50 0.51 1.83 -0.31 0.54
5600 5623.41 -1.76 0.17 -0.48 0.56 2.02 -0.22 0.58
6000 5956.62 -1.90 0.17 -0.44 0.56 2.20 -0.14 0.59
6300 6309.57 -2.03 0.17 -0.38 0.56 2.39 -0.02 0.59
6700 6683.44 -2.15 0.18 -0.34 0.56 2.57 0.08 0.59
7100 7079.46 -2.27 0.18 -0.36 0.56 2.74 0.11 0.59
7500 7498.94 -2.41 0.18 -0.45 0.56 2.91 0.06 0.59
8000 7943.28 -2.55 0.18 -0.58 0.56 3.08 -0.05 0.59
8500 8413.95 -2.69 0.19 -0.71 0.56 3.25 -0.15 0.59
9000 8912.51 -2.86 0.19 -0.79 0.56 3.43 -0.22 0.59
9500 9440.61 -3.02 0.23 -0.82 0.56 3.61 -0.23 0.60
10000 10000.0 -3.15 0.32 -0.82 0.56 3.80 -0.17 0.64
10600 10592.5 -3.25 0.33 -0.86 0.84 4.02 -0.09 0.90
11200 11220.2 -3.33 0.35 -0.96 0.84 4.28 -0.01 0.91
11800 11885.0 -3.49 0.36 -1.07 0.84 4.57 0.01 0.91
12500 12589.3 -3.76 0.38 -1.19 0.84 4.92 -0.03 0.92
13200 13335.2 -4.15 0.40 -1.31 0.84 5.34 -0.12 0.93
14000 14125.4 -4.52 0.42 -1.43 0.84 5.84 -0.11 0.94
15000 14962.4 -4.86 0.44 -1.53 0.85 6.42 0.03 0.96
16000 15848.9 -5.23 0.46 -1.63 0.85 7.09 0.23 0.97
17000 16788.0 -5.93 0.49 -1.77 0.85 7.85 0.15 0.98
18000 17782.8 -6.79 0.51 -1.92 0.85 8.68 -0.03 0.99
19000 18836.5 -7.55 0.53 -1.98 0.85 9.58 0.05 1.00
20000 19952.6 -8.39 0.56 -2.07 0.85 10.53 0.07 1.02
21200 21134.9 -9.45 0.59 -2.18 0.85 11.51 -0.12 1.03
22400 22387.2 -10.39 0.61 -2.19 0.85 12.49 -0.09 1.05