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SV 258 PRO (AG) User Manual
37
Select the lower and upper frequencies of the
segment of the criterion curve, lover and upper
values and include or not the lower and/or upper
frequency points to the segment. Press
<ENTER>
to confirm edition.
New segment will be added to the list of positions
in the
Building Type Criterion
screen.
<ENT>
Note: Units of lower and upper values of the criterion curve segment depend on the spectrum type
selected in the Application screen, e.g. for FFT VEL and 1/3 VEL, Unit is mm/s; for 1/3 ACC, Unit
is mm/s
2
.
You can
Add
another segment or either
Edit
or
Delete
the created one.
To
Edit
or
Delete
the created segment enter it.
If you open the
Edit
position the
Interval
screen
will be opened in which you can edit the
segment.
<ENT>
To delete the segment, select the
Delete
position and press
<ENTER>
.
The segment will be deleted without request for
confirmation.
<ENT>
4.3.4 Setting the parameters for whole-body vibration
– Human Vibration
The instrument can simultaneously measure vibration acceleration, allowing the measurement of VDV with a
different recording step than PPV making the reporting much easier. The instrument has built-in weighing filters
according to ISO 2631-1 and ISO 2631-2 as well as BS 6472-1. It is also possible to measure the impact of
vibrations on people using the third-octave vibration spectra (RMS / MAX).
ISO 2631 acceleration weighted (
aw
) together with
VDV
are measured and
stored as the separate set of results with the independent logger step.
The
Human Vibration
position appears in the
Menu
list if the
Human Vibration
was enabled
in the
Application
screen.
It opens a screen with filter settings for three
axes of the transducer.
You can select next filters:
HP1
,
HP3
,
HP10
,
Wk
,
Wd
,
Wc
,
Wj
,
Wm
,
Wg
or
Wb
.
Filter
characteristics
are
presented
in
Appendix C for SVAN 958A User Manual.
<ENT>