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NORMA 4000/5000
Operators Manual
7-10
In the Timing & Sync Setup menu, define the following settings:
Column Settings Description
Tavg[s] 15 ms... 3600 s Minimum average time (in seconds)
Src U1 / I1 … U6 / I6 Synchronization source
ext Fixed average time
Off
Level −150 % ... +150 % Trigger level (in % of measuring range)
Slope ↑ or ↓ Slope direction
Filter 10 kHz Synchronization filter (filter is not in signal path)
1 kHz
100 Hz
off
SyOut On Signal output enabled
Off Signal output disabled (at Sync Ext output)
Set Average Time
The average time is a multiple of the period of the voltage of current source. The settings
are automatically adjusted during measuring. For example: the average time is set to 19
ms; at a frequency of 50 Hz, it is automatically adjusted to 1 period, that is, 20 ms.
Note
Short average times are useful, if you wish to analyze individual periods,
measuring even minute interferences. With long average times, for example
300 ms at 50 Hz, short-term interferences are not shown.
Value in column Tavg[s] is highlighted.
1. Press Enter.
A window with a numerical entry field is displayed.
2. Enter the first digit of the average time and confirm by pressing Enter.
Repeat the above step for the other digits.
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