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Svantek SVAN 977A - 5.4 Data logging - Logging

Svantek SVAN 977A
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47
SVAN 977A User Manual
You can easily access the Profiles screen
from the result view screen. Select some
profile field (for example, P(1)) with the ▲ / ▼
or / ► key and press <ENTER>.
<ENT>
5.4 DATA LOGGING LOGGING
Summary Results (Peak, Max, Min, Spl, Leq, SEL, Lden, LEPd, Ltm3, LTeq, 10 x Lnn, EX, SD, LR1, LR2,
OVL, NC, NR for Sound measurements or RMS, Ovl, Peak, PP for Vibration measurements as well as 1/1
octave, 1/3 octave or FFT spectra and Total results) are measured and saved in the file with the step defined by
the Integration Period parameter as many times as defined by the Repetition Cycles parameter.
The Logger function enables also additional registration of some results with different step defined by the
Logger Step parameter. Therefore, it is possible to save in parallel two sequences of measured results one
for Summary Results and another for so called Logger Results.
When the Logger is enabled, logger results from three independent profiles (Peak, Max, Min, Leq, LXY, LR1
and LR2 for Sound measurements or Peak, P-P, Max and RMS for Vibration measurements as well as 1/1
octave or 1/3 octave and Total results) can be saved simultaneously with time step down to 2ms. Recording of
logger results in the file is stopped after the period, which is equal to Integration Period multiplied by
Repetition Cycles or after pressing the <Start/Stop> key or after stopping the measurements remotely.
Summary results are saved in the same file with logger results. Blocks of summary results are recorded in the
file in the end of every measurement cycle.
The figure below illustrates principles of saving measurement results.
Relations between Integration Period and Logger Step

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