11 SOUND EXPOSURE METER – DOSIMETER
The instrument operates as a Sound Exposure Meter (SEM) or Dosimeter in a very similar way to the
Sound Level Meter (SLM) and, in addition to the SLM results, measures also basic dose parameters.
This chapter describes settings specific for the SEM.
11.1 SELECTING DOSIMETER FUNCTION
To select the Dosimeter function, enter the Function
section, select the Meas. Funct position and press the
<Enter> key. In the Meas. Funct screen, select the
Dosimeter function and press the <Enter> key.
11.2 SETTING GENERAL PARAMETERS – GENERAL SETTINGS
Most general settings of the Dosimeter function are similar to the Level Meter
function (see Chapter 4.1). Additionally, Dosimeter has a programmable five
automatic pauses.
Programable automatic pauses
Automatic pause(s) can be switched off (Off) or can be programmed based on
the RTC time (On).
If Pause is On, two additional positions appear which
enable setting time for pause begin (Pause Begin) and
time for pause end (Pause End).
Note: In the Simple interface mode, the Pause parameters are hidden, but the instrument
will use settings previously defined in the Advanced mode or default settings (Off).
11.3 SETTING PROFILE PARAMETERS – PROFILE X
Parameters of three profiles can be set in the Profile x
lists of parameters.
The following parameters can be programmed
independently for each profile: weighting filter (Filter),
peak filter (Filter Peak) and LEQ detector type
(Detector), criterion level (Crit. Level), threshold level
(Thr. Level), exchange rate (Exch. Rate), thresholds -
ULT Thresh. and PTC Thresh..
Weighting filter selection
Z according to IEC 61672-1:2013 for Class 1,
A according to IEC 651 and IEC 61672-1:2013 for Class 1,
C according to IEC 651 and IEC 61672-1:2013 for Class 1,
B according to IEC 651 for Class 1.
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