Svantek SV 977D - Page 294

294
SV 977D User Manual - Appendixes
1/3 octave central
frequency
Low range
High range
[Hz]
[µV]
[µV]
2.5
0.2
2.1
3.15
0.2
2.1
4
0.2
2.3
5
0.2
2.3
6.3
0.2
2.3
8
0.2
2.4
10
0.3
2.4
12.5
0.3
2.4
16
0.3
2.4
20
0.3
2.3
25
0.3
2.3
31.5
0.3
2.2
40
0.3
2.3
50
0.2
2.1
63
0.3
2.3
80
0.2
2.5
100
0.3
2.2
125
0.4
3.3
160
0.2
2.1
200
0.3
2.1
250
0.3
2.2
315
0.3
2.3
400
0.3
2.6
500
0.3
2.8
630
0.4
3.0
800
0.4
3.4
1 000
0.5
3.7
1 250
0.5
4.1
1 600
0.6
4.5
2 000
0.6
5.1
2 500
0.7
5.6
3 150
0.8
6.3
4 000
0.9
7.0
5 000
0.9
7.8
6 300
1.1
8.7
8 000
1.2
9.8
10 000
1.3
10.9
12 500
1.5
12.3
16 000
1.7
13.7
20 000
1.9
15.3
25 000
2.2
17.3
31 500
2.5
19.6
40 000
2.9
22.1
C.3.2 1/1 and 1/3 octave filters characteristics
1/1 octave filters 16 filters with centre frequencies from 1 Hz to 31.5 kHz (base 10), meeting
IEC 61260-1:2014 standard for Class 1