Chapter 3
24
Audible [On, Off]
When the audible alarm is turned on, the
instrument will activate internal beeper
when Alarm1 or Alarm2 level is
surpassed.
Audible alarm can only be linked to one
mass channel at a time.
Visible [On, Off]
When the visible alarm is turned on, unit
will show the alarm icon (Alarm1
,
Alarm 2
) in title bar when Alarm1 or
Alarm2 level is surpassed.
STEL Alarm
STEL stands for Short Term Exposure Limit. When a STEL alarm is
selected, the instrument will inspect the data on a second by second basis,
independent from the selected logging interval. If the mass exceeds the
STEL limit, a STEL even will be triggered and the following actions will
be taken.
STEL indicator
The STEL indicator
will show Red on the main screen.
Data
Data will be taken of the STEL alarm
channel at a 1 minute logging interval for
15 minutes.
This data will be stored in a separate file
named STEL_XXX, where XXX will be
matched to the logged data file.
The instrument will also continue to log
the mass concentration data at the logging
interval selected.
STEL Alarm repeat
If the instrument remains over the STEL
limit after the 15 minute interval, or if the
instrument exceeds the STEL limit later
during the sample period, additional STEL
files will be generated.
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