Instruction Manual

Sound Level Meter Types 2245 – Instruction Manual Page 26 of 110
Table 2.1 Frequency weighting design goals
A B C Z
10 10.0000 -70.4 -38.2 -14.3 0.0
13 12.5893 -63.4 -33.2 -11.2 0.0
16 15.8489 -56.7 -28.5 -8.5 0.0
20 19.9526 -50.5 -24.2 -6.2 0.0
25 25.1189 -44.7 -20.4 -4.4 0.0
32 31.6228 -39.4 -17.1 -3.0 0.0
40 39.8107 -34.6 -14.2 -2.0 0.0
50 50.1187 -30.2 -11.6 -1.3 0.0
63 63.0957 -26.2 -9.3 -0.8 0.0
80 79.4328 -22.5 -7.4 -0.5 0.0
100 100.000 -19.1 -5.6 -0.3 0.0
125 125.893 -16.1 -4.2 -0.2 0.0
160 158.489 -13.4 -3.0 -0.1 0.0
200 199.526 -10.9 -2.0 0.0 0.0
250 251.189 -8.6 -1.3 0.0 0.0
315 316.228 -6.6 -0.8 0.0 0.0
400 398.107 -4.8 -0.5 0.0 0.0
500 501.187 -3.2 -0.3 0.0 0.0
630 630.957 -1.9 -0.1 0.0 0.0
800 794.328 -0.8 0.0 0.0 0.0
1000 1000.00 0.0 0.0 0.0 0.0
1250 1258.93 0.6 0.0 0.0 0.0
1600 1584.89 1.0 0.0 -0.1 0.0
2000 1995.26 1.2 -0.1 -0.2 0.0
2500 2511.89 1.3 -0.2 -0.3 0.0
3150 3162.28 1.2 -0.4 -0.5 0.0
4000 3981.07 1.0 -0.7 -0.8 0.0
5000 5011.87 0.5 -1.2 -1.3 0.0
6300 6309.57 -0.1 -1.9 -2.0 0.0
8000 7943.28 -1.1 -2.9 -3.0 0.0
10000 10000.0 -2.5 -4.3 -4.4 0.0
12500 12589.3 -4.3 -6.1 -6.2 0.0
16000 15848.9 -6.6 -8.4 -8.5 0.0
20000 19952.6 -9.3 -11.1 -11.2 0.0
Nominal
Frequency
(Hz)
Exact
Frequency
(6 digits)
(Hz)
Frequency Weightings
(1 decimal)
(dB)