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Chapter 4
36
Using TrakPro
™
Software to Program Alarm Setpoints
Use TrakPro
™ software to setup the Alarm Setpoints. Select
Instrument Setup -> Parameters -
> Alarm Setpoint…
to get to the
alarm settings dialog.
NOTE
The Alarm is dependent on the logging interval. For the
DustTrak
™
Environmental Monitor to alarm as soon as the
Alarm Setpoint is exceeded, the logging interval must be set
as low as possible (i.e., 1 second or 2 seconds). If a long test
duration does not permit setting such a short logging interval,
use the STEL alarm instead. The STEL is always based on
1 second concentrations and is independent of the logging
interval. For more details on the STEL alarm, see section
below on
In Survey mode, the alarm is dependent on the time constant.
Содержание DustTrak 8540
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