Svantek SV 971A, User Manual

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SV 971A User Manual
74
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 S
ELECTING
D
OSIMETER 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.
<ENT>
11.2 S
ETTING GENERAL PARAMETERS
–
G
ENERAL
S
ETTINGS
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 S
ETTING PROFILE PARAMETERS
–
P
ROFILE 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. .
<ENT>
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.