SVAN 948 USER MANUAL
.
4 - 50
Notice
:
The user can select the number of the currently active modes of
the
measurement results
presentation
switching on (
[
√√√√
]
) or off (
[ ]
) the given mode in the
DISPLAY MODES
sub-list of the
DISPLAY
list. Only one profile mode
cannot be switched off
. See Chapter 5 for the
details about the display modes control.
One Profile
,
3 PROFILES
and
PLOT
display modes are identical as for the
VLM
. The
SPECTRUM
mode displays
1/1 OCTAVE
analysis results (so-called spectrum) together with the
TOTAL
RMS value
measured with the
HP
weighting filter and the
TOTAL
values measured for filters, which are set in the
TOTAL VALUES
sub-list of the
DISPLAY SETUP
list
(path: MENU / DISPLAY / DISPLAY SETUP /
CHANNEL x / TOTAL VALUES)
.
The displays with the settings influencing the first TOTAL value presented in the SPECTRUM mode
The first
TOTAL
value is measured with:
•
the
HP
weighting filter (in this case it is true RMS value in the whole band) or
•
with the filter specified as
VUSR1
,
VUSR2
,
VUSR3
or
•
Any other filter, which name and the coefficients are sent to the unit by the interface.
The coefficients of the user defined filters are set in the
VIBR. FILTERS
sub-list of the
SETUP
list
(path: MENU / SETUP / USER FILTERS / VIBR. FILTERS
)
. It is also possible to send the coefficients of the
filters used in the calculations by means of the serial interface from a PC (a special function is developed
for this purpose – for details see App. A). The names of the filters introduced to the unit in mentioned
above way, as well as the values of the coefficients, can be examined by means of the
VIEW
window from
the
VIBR. FILTERS
sub-list of the
SETUP
list
(path: MENU / SETUP / USER FILTERS / VIBR. FILTERS /
VIEW)
.
The displays showing the possibility of the verification of the user filter names and the values of the
coefficients taken to the calculation of the TOTAL values presented in the SPECTRUM mode
The second
TOTAL
value is measured with the weighting filter:
•
selected in the second channel (
CH
) or
•
specified as
VUSR1
,
VUSR2
,
VUSR3
or
Summary of Contents for SVAN 948
Page 1: ...SVAN 948 SOUND AND VIBRATION DATA LOGGER USER S MANUAL SVANTEK Sp z o o WARSAW June 2004...
Page 19: ...SVAN 948 USER MANUAL 2 6 The view of the rear panel of the SVAN 948 instrument in 1 1 scale...
Page 25: ...SVAN 948 USER MANUAL 3 6 Control diagram of the INPUT list...
Page 28: ...SVAN 948 USER MANUAL 3 9 Control diagram of the DISPLAY list...
Page 30: ...SVAN 948 USER MANUAL 3 11 Control diagram of the FILE list...
Page 32: ...SVAN 948 USER MANUAL 3 13 Control diagram of the AUX FUNCTION list...
Page 36: ...SVAN 948 USER MANUAL 3 17...
Page 37: ...SVAN 948 USER MANUAL 3 18 Control diagram of the SETUP list...
