2-4 824 Reference Manual 9/12/00
For German users
, as a no-cost option, the following addi-
tional parameters are provided:
Taktmaximal
with the following combinations of frequency
weighting and time weighting:
SLM (ISM)
The SLM (ISM) is the simplest to operate, providing the
functions of a “point-and-shoot” sound level meter with
manual data storage. The SLM (ISM) Instrument ID mea-
sures the same thirty-three sound level parameters as the
SLM&RTA (SSA) ID, but it does not provide frequency
spectrum measurement capability. However, since less digi-
tal processing is required, the measurement linearity range is
105 dBA, permitting the use of a single range for all mea-
surements.
Logging (LOG)
This ID is designed particularly for noise monitoring appli-
cations and provides extensive automatic data storage fea-
tures. The Instrument Type designation, LOG, represents a
Logging sound level meter. Like the SLM (ISM) ID, the
measurement range is 105 dBA and does not provide fre-
quency spectrum measurement capability. Up to thirty-six
measured sound level parameters can be stored as a Time
History record at rates as rapid as 32 samples per second.
The following parameters can be logged at user-selectable
time intervals between 1 second and 99 hours (hh:mm:ss)
Taktmaximal 3 Taktmaximal 5
Slow Fast Slow Fast
A
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C
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Flat
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