Svantek SVAN 979 - Page 103

103
SVAN 979 User Manual
o Full (0.73-21.8k) - 180 filters with
centre frequencies from 0.73 Hz to
21.8 kHz
=>
Available bands for vibration analysis are as
follows:
- 1/1 Octave:
o Full (1-16k) - 15 filters with centre
frequencies from 1 Hz to 16 kHz
=>
- 1/3 Octave:
o Full (0.8-20k) - 45 filters with centre
frequencies from 0.8 Hz to 20 kHz
=>
- 1/6 Octave:
o Full (0.75-21.1k) - 90 filters with
centre frequencies from 0.75 Hz to
21.1 kHz
=>
- 1/12 Octave:
o Full (0.73-21.8k) - 180 filters with
centre frequencies from 0.73 Hz to
21.8 kHz
=>
Weighting filter selection
Following weighting filters are available for the 1/1 Octave - 1/12 Octave sound
analysis:
• HP - class 1 according to IEC 61672-1:2013.
• Z - class 1 according to IEC 61672-1:2013.
• A - class 1 according to IEC 651 and IEC 61672-1:2013,
• C - class 1 according to IEC 651 and IEC 61672-1:2013,
• B - class 1 according to IEC 651.
Only one HP weighting filter is available in the 1/1 Octave - 1/12 Octave
vibration analysis.
The filter characteristics are given in Appendix C.