Figure 46: Alarm Setup Tab - Fourier DataNet User Manual

Wireless intelligent logging network
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Figure 46: Alarm Setup tab

Alarm Delay and Pre-alarm Delay
The time until the alarm (or pre-alarm) is activated. You may
not want to have the alarm sound immediately after the alarm
level is breached as you are only interested in a condition
where the alarm level lasted a certain amount of time.
For example, if monitoring change of temperature in a freezer,
you would only be interested in a High alarm which lasted
more than one minute as anything else could just be caused
by the freezer door opening for a few seconds, as opposed to
a power failure leading to rise in temperature.
Alarm Duration
The duration of the alarm that is set off by one or more
sensors breaching the alarm level.
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