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Fluke 434/435
Users Manual
16-4
Two ways to access Trend:
1. Use the up/down arrow keys to highlight an event in the table. To access Trend press
the ENTER key. The Cursor is on, in the mid of screen and located on the selected event.
2. Press Function key F5 to view the Trend part showing the most recent measuring
values. Cursor and Zoom can be switched on afterwards when required.
Tips and Hints.
To capture control signals it is essential to know their frequencies in advance. Consult the
Internet Website of your local energy supplier for information on what frequencies are
used for Mains Signaling in your area.
EN 50160 shows the ‘Meister_Kurve’ for the allowed 3 second average voltage V3s as a
function of frequency. Limits should be programmed accordingly.
0,1 1
1
10
10
100
Frequency in kHz
Voltage level in percent
Figure 16-1. Meister Kurve acc. to EN50160