Instruction Manual

Sound Level Meter Types 2245 – Instruction Manual Page 77 of 110
Nominal
Frequency
Exact
Frequency
(6 digits)
Microphone
Diffuse-field
Response
Electrical
Response
Acoustical
Response
Expanded
Uncertainty
Hz Hz dB dB dB dB
3750 3758.37 -0.99 1.00 0.01 0.14
4000 3981.07 -1.08 1.09 0.01 0.14
4250 4216.97 -1.18 1.19 0.01 0.15
4500 4466.84 -1.28 1.30 0.02 0.15
4750 4731.51 -1.39 1.41 0.02 0.15
5000 5011.87 -1.51 1.53 0.02 0.16
5300 5308.84 -1.64 1.65 0.01 0.17
5600 5623.41 -1.76 1.78 0.02 0.17
6000 5956.62 -1.90 1.91 0.01 0.17
6300 6309.57 -2.03 2.04 0.01 0.17
6700 6683.44 -2.15 2.18 0.03 0.18
7100 7079.46 -2.27 2.32 0.05 0.18
7500 7498.94 -2.41 2.45 0.04 0.18
8000 7943.28 -2.55 2.59 0.04 0.18
8500 8413.95 -2.69 2.72 0.03 0.19
9000 8912.51 -2.86 2.85 -0.01 0.19
9500 9440.61 -3.02 2.98 -0.04 0.23
10000 10000.0 -3.15 3.11 -0.04 0.32
10600 10592.5 -3.25 3.25 0.00 0.33
11200 11220.2 -3.33 3.40 0.07 0.35
11800 11885.0 -3.49 3.57 0.08 0.36
12500 12589.3 -3.76 3.78 0.02 0.38
13200 13335.2 -4.15 4.04 -0.11 0.40
14000 14125.4 -4.52 4.37 -0.15 0.42
15000 14962.4 -4.86 4.80 -0.06 0.44
16000 15848.9 -5.23 5.34 0.11 0.46
17000 16788.0 -5.93 5.99 0.06 0.49
18000 17782.8 -6.79 6.74 -0.05 0.51
19000 18836.5 -7.55 7.59 0.04 0.53
20000 19952.6 -8.39 8.49 0.10 0.56
21200 21134.9 -9.45 9.41 -0.04 0.59
22400 22387.2 -10.39 10.33 -0.06 0.61