Copyright © Sigicom AB 2021
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3.2.3.
Transient Recording
When an instantaneous value exceeds the selected trigger level for any of
the three channels, a transient recording of all three channels is initiated.
A transient recording can also be initiated via the Menu of the graphical
user interface (“Manual trigger”, see section 5.8).
Each channel has a trigger level which can be set through INFRA Net or
the graphical user interface. Their maximum and minimum values depend
on the selected measurement standard. The trigger levels are common for
all standards.
Note!
It is very important to set to an adequate trigger level. When set too
high, there will be no recordings. If, on the other hand, the level is set too
low, there will be lots of (continuous) triggering/recordings, which would
lead to:
•
Increase of battery consumption.
•
Lots of data storage on memory card.
•
High data transfer rate/cost.
The length of the recording is 1 to 5 seconds before the trigger point (pre-
trig time), plus an adjustable time between 1 and 120 seconds. The
adjustable time is referred to as “Record time” in the graphical user
interface and “Transient time” in INFRA Net.
The pre-trig time depends on Record time according to the table (was
added with FW-version 2.5.0):
Record time [s]
Pre-trig time [s]
1 – 9
1
10 - 19
2
20 - 29
3
30 -39
4
40 - 120
5
