UMG 509-PRO
52
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10.7 Transient list
Transient voltages:
·Are fast, pulse-like transient events in electrical
networks.
·Are not predictable in terms of timing and are of
limited duration.
·Are caused by lightning, by switching operations
or by fuses blowing.
The transient list of the device lists a total of 16
detected transients on 2 pages.
Proceed as follows to display a specific transient
voltage:
1.Scroll to the "Transients" main value display
using buttons 2 or 5
2.Select the desired
page using button 4.
3.Go to the transient list with button 6 (Select).
·The background color for date/time changes
from gray to blue.
4. Select a transient with buttons 3 or 4.
5. Use button 6 (selection) to display a
transient graphically.
6. Show or hide the legend by pressing button 6
(Legend) again.
7. Use button 1 (Esc) to leave the graphical dis-
play of the transient.
Fig. Display of a transient (V
LN
reference)
Fig. Display of a transient (V
LL
reference)