Aerosol Photometer
Aerosol Photometer - 2i 39
Alarms Modes and Set Point
Alarm Set Point
The alarm set point will trigger the selected alarms
when the % leakage measured exceeds the set point.
The operator can change the set point by selecting
the alarm set point option and pressing the Enter
button.
i
Note
The Alarm Set Point option is not accessible while the
instrument is setting up to the 100% Upstream
Concentration, while navigating the main menu or once
data acquisition has been started in summary or
monitoring reporting modes.
Alarm modes
There are three types of alarms available on the 2i:
audible, visual and vibratory. The alarms will be set-
off when the measured % leakage value exceeds the
Alarm Set Point. The user can select which alarms
are enabled from the Alarm menu. For a detailed
description of the different alarms, see “CHAPTER 6
Software Reference” page 49. The operator can
quickly mute the activated alarm by pressing the
Mute button.
i
Note
The Mute function will disable the audible and
vibratory alarms if they are enabled but will not
affect the visual alarm if it is enabled. The
alarms revert back to their original state when the Mute
button is pressed again.
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