5200 Multi Purpose and 5200 Multi Purpose HF Gas Analysers
05230001A / Revision 9
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6.5 Configuring the measurement alarms
6.5.1 Alarm modes and levels
Two separate measurement alarms are available for each sample gas measurement
for which the Multi Purpose is configured, and you can configure each alarm to operate
in one of three modes:
While a measurement alarm condition is activated:
• An ‘alarm’ icon is shown on the measurement screen (see Section 4.2). The
number ("1" or "2") in the icon will identify the alarm which has been triggered.
• If the audible measurement alarm is enabled (see Section 6.5.5), the audible alarm
goes on.
• The alarm LED on the front of the Multi Purpose (see Figure 1) flashes on and off.
• You can view the details of the activated alarm: see Section 6.5.8.
6.5.2 Latching/non-latching alarms
You can configure each of the two measurement alarms to be either latching or not
latching:
Alarm mode Operation
None The alarm is not used (that is, an alarm condition will
not be activated under any circumstances).
Low alarm An alarm condition will be activated when a sample
measurement is lower than the preset alarm level.
High alarm An alarm condition will be activated when a sample
measurement is higher than the preset alarm level.
Alarm setting Meaning
Latching Once the alarm condition has been activated, the
alarm condition remains activated (even if
subsequent sample measurements would not trigger
the alarm) until the alarm is manually unlatched: see
Section 6.5.7.
Not latching Once the alarm condition has been activated, the
alarm condition remains activated only until a
subsequent sample measurement which would not
trigger the alarm is made. The alarm condition is then
deactivated.
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