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SW-BA-e-2020
4.3.7 Statistics
The data source for the statistics is permanently
set to SPL. The user cannot change this setting.
However, the user can define the filter and
detector for SPL and the statistics value using this
menu.
mode:
The setting is permanently assigned to SPL and cannot be changed.
Filter:
You can
define the filter for the statistical analysis with the arrow keys <◄>
, <►>
: A
,
B
,
C
and
Z
(linear).
Detector:
Use the arrow keys <◄>
, <►> to
set the detector for statistical analysis:
Fast
,
Slow
and
Imp.
LN1 TO LN10:
With the arrow keys <◄>
, <►> you can
define the percentage of the 10 LN
groups from 1% - 99%.
Example:
LN1:10 = 80 dB
means that in the integral period 10% of the measured
data are above 80 dB. The LN result depends on the integral period. The result is
reset when a new integral period begins.
4.3.8 Time history
Use the arrow keys <▲>, <▼> to set the data source and the
duration of the time course.
Profile:
With the arrow
keys<◄>
, <►> you can
set the data source of the time history:
Profile 1
,
Profile 2
,
Profile 3
.
Duration:
You can
set the time axis of the time curve with the arrow keys <◄>
, <►> . 1
minute, 2 minutes, 10 minutes
.
4.3.9 Octave threshold
The Octave Threshold
menu allows you to set
the alarm threshold from 31.5 Hz - 16 kHz and
LAeq, LBeq, LCeq and LZeq. If the measurement
result exceeds the threshold, the LED lights up
red. With the arrow keys <◄>
, <►> you can
set
the option between 0.1 dB and 199.9 dB.