ZES ZIMMER LMG450, User Manual

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Z E S ZIMMER Electronic Systems GmbH Chapter 5
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Figure 23: Measuring menu in normal mode
5.2 Measuring ranges (Range)
When you came to this menu by pressing Range you can setup all the ranges and scalings for
the different measuring channels. You see three tabs (‘Group A’, ‘Group B’ and
‘Sense/More’).
Figure 24: Range menu
5.2.1 Group A/B tab
The settings in group A and B are identical, so they are just described once.
A/M With A/M the automatic or manual range setting is selected. This is only possible
in the normal measuring mode. In all other modes the manual range is selected.
Scale The Scale button allows you to enter a scaling factor. With this scaling factor all
values of this channel (and the power) are multiplied. This setting is usually used to
enter the transformer ratio of current clamps or voltage transformers.
Example 1:
You have a current clamp with 1000A/1A ratio. In this case enter 1000 as scaling