Lighthouse ApexPortable Series - Alarm; Alarm Threshold

Lighthouse ApexPortable Operating Manual
5-16 248083440-1 Rev 5
ALARM
Press ALARM button to open the Particle Alarm screen shown in
Figure 5-19 to enable alarming on specific channels.
Figure 5-19 Particle Alarm Configuration Example
Note: Alarming is only
applicable for Cumulative
Raw particle counts even if
the instrument is displaying
Normalized data.
If the instrument is set to
display Cumulative data,
the alarm threshold will
apply to the cumulative
counts.
To enable or disable alarming for any channel, press the ICON to the
right of the channel. When the is displayed, the channel is enabled
for alarming. Press the ICON to change it to the and disable the
alarming for that channel.
Alarm Threshold
Press the enabled channel’s threshold button to set the alarm threshold
for that channel. The Alarm Threshold screen will open as shown in
Figure 5-20.
Figure 5-20 Configure Alarm Threshold
Note: To use alarms, the
Sample Time must be
greater than 1 second.
Enter the desired alarm threshold for the channel as a number of
particles then press ENTER. The threshold value will be updated on
the Particle Alarm screen.
Disable
Enable
Change State
press
button to
change
the alarm
threshold
Press button to