Svantek SV 971A, Руководство пользователя

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SV 971A User Manual
122
Repetition
Cycles Number of measurement/integration repetitions
after the <Start> key pressure.
This enables to make a series of measurements
without pressing the <Start> key and save this
series in the results file.
Chapter
4.1
LEQ
Integration Type of integration of RMS based results (RMS
detector):
Linear or Exponential . The IEC 61672-
1:2013 standard requires Linear integration, without
time weighting, however in some countries old
regulation refers to the Exponential RMS integration
with standard time weighting: Fast or Slow.
Chapter
4.1
Linear Linear type of integration of RMS based results
(RMS detector), without time weighting according to
the IEC 61672-1:2013 standard. Chapter
4.1
Exponential Exponential type of integration of RMS based
results (RMS detector), where averaging is a
continuous averaging process that weighs current
and past data differently. The amount of weight
given to past data as compared to current data
depends on the exponential time constant. In
exponential averaging, the averaging process
continues indefinitely. Chapter
4.1
Day Time
Limits Definition of the day and night periods required by
local standards: 6
–18h and 7–19h. These limits are
used for the calculation of the L(den) function.
Chapter
4.1
LRx Time Definition of the integration periods for calculating
the LR1 and LR2
results.
Chapter
4.1