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8. Alarm trigger function
8.1. Single-event alarm triggering
The upper or lower alarm triggering is done with a single-event
alarm algorithm. Any kind of alarm is triggered if the tempera-
ture is continuously out of the preset alarm limits for longer than
the preset alarm trigger time.
Upper alarm triggering
Setting upper limit
: Temperature >8.0°C, duration >10 hours
For the upper alarm to be triggered the temperature needs to be
continuously above 8°C for more than 10 hours.
0 h 12 h
8°C
24 h
>10 h
In the example below the sum* of the daily upper temperature
deviation is about 20 hours. No alarm will be triggered! The
temperature was not continuously out of the preset alarm limits
for more than 10 hours in one row.
* The sum of the deviations is visible in the daily statistics in the column “Cumu -
lative daily time above the limit.”
0 h 12 h
8°C
24 h
>9 h >6 h >5 h
Alarm triggered
:
Alarm symbol and
warning symbol
!
displayed.
No Alarm triggered
:
OK symbol on the
display.
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