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ScopeMeter® Test Tool 190 Series II
Users Manual
56
Making Rise Time Measurements
To measure rise time, do the following:
1
CURSOR
From scope mode, display the
cursor key labels.
2
F1
Press to highlight
3
F4
For multiple waveforms select the
required waveform A, B, C, D or
M (if a math function is active).
4
F3
Select MANUAL or AUTO (this
automatically does steps 5 to 7).
5
Move the upper cursor to 100% of
the waveform height. A marker is
shown at 90%.
6
F2
Highlight the other cursor.
7
Move the lower cursor to 0% of
the waveform height. A marker is
shown at 10%.
The reading shows the risetime from 10%-90% of the
waveform amplitude.
Figure 27. Risetime Measurement
Note
Direct access to Rise time or Fall time with
cursors on is possible via the key sequence
SCOPE, F2 – READING, and then selection of
Rise or Fall time.
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