janitza UMG 512-Pro, User Manual And Technical Data

Page: 52 / 120

UMG 512-PRO www.janitza.com
52
10.7 Transient list
Transient voltages:
·Are fast pulse-like transient processes in electri-
cal networks.
·Are not predictable in terms of time and are of
limited duration.
·Are caused by lightning, by switching operations
or by fuses blowing.
The device’s transient list shows 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.Enter the transient list using 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 (Select) 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)