User manual

317
Appendix
Frequency Weighting
Nominal
Frequency
Hz
Frequency Weighting
dB
A C Z
10 –70.4 –14.3 0.0
12.5
16
20
–63.4
–56.7
–50.5
–11.2
–8.5
–6.2
0.0
0.0
0.0
25
31.5
40
–44.7
–39.4
–34.6
–4.4
–3.0
–2.0
0.0
0.0
0.0
50
63
80
–30.2
–26.2
–22.5
–1.3
–0.8
–0.5
0.0
0.0
0.0
100
125
160
–19.1
–16.1
–13.4
–0.3
–0.2
–0.1
0.0
0.0
0.0
200
250
315
–10.9
–8.6
–6.6
0.0
0.0
0.0
0.0
0.0
0.0
400
500
630
–4.8
–3.2
–1.9
0.0
0.0
0.0
0.0
0.0
0.0
800
1000
1250
–0.8
0
+0.6
0.0
0
0.0
0.0
0
0.0
1600
2000
2500
+1.0
+1.2
+1.3
–0.1
–0.2
–0.3
0.0
0.0
0.0
Nominal
Frequency
Hz
Frequency Weighting
dB
A C Z
3150
4000
5000
+1.2
+1.0
+0.5
–0.5
–0.8
–1.3
0.0
0.0
0.0
6300
8000
10000
–0.1
–1.1
–2.5
–2.0
–3.0
–4.4
0.0
0.0
0.0
12500
16000
20000
–4.3
–6.6
–9.3
–6.2
–8.5
–11.2
0.0
0.0
0.0