Svantek SV 977D - Page 286

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SV 977D User Manual - Appendixes
1/1 and 1/3 octave filters noise levels
Typical electrical noise levels Z and A weighted for SV 977D in configuration with the SV 12L microphone
preamplifier, ST 02 adapter and 50 Ohm BNC terminal for 1/1 octave filters. Averaging time 30 s.
Table C.3.3. Typical electrical noise levels Z and A weighted for SV 977D in configuration with the SV 12L
microphone preamplifier, ST 02 adapter and 50 Ohm BNC terminal for 1/1 octave filters
1/1 octave central
frequency
Z weighting
A weighting
Low range
High range
Low range
High range
[Hz]
[µV]
[µV]
[µV]
[µV]
1
0.7
0.9
0.1
0.7
2
1.9
2.2
0.1
0.7
4
2.4
3.2
0.1
0.7
8
2.0
2.8
0.1
0.7
16
1.5
2.4
0.1
0.7
31.5
1.2
2.3
0.1
0.8
63
0.9
2.4
0.1
0.8