Fluke 125 Fluke 125 Users Manual - Page 46

Making Rise Time Measurements, Risetime Measurement with Cursors

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Fluke 125 Users Manual Making Rise Time Measurements To measure rise time, do the following: c From Scope mode, display the Cursor Key functions. d Press to highlight (rise time). Observe that two horizontal cursors are displayed. e If only one trace is displayed, select MANUAL or AUTO. AUTO automatically does steps 4 to 6. For multiple traces select the required trace A or B. f Move the upper cursor to 100% of the trace height. A marker is shown at 90%. g Highlight the other cursor. h Move the lower cursor to 0% of the trace height. A marker is shown at 10%. 2-24 Figure 2-20. Risetime Measurement with Cursors The reading now shows the risetime from 10%-90% of the trace amplitude and the voltage at the cursors in relation to the zero icon (-). See Figure 2-20. i Turn off the cursors.

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Fluke 125
Users Manual
2-24
Making Rise Time Measurements
To measure rise time, do the following:
From Scope mode, display the
Cursor Key functions.
Press to highlight
(rise time).
Observe that two horizontal
cursors are displayed.
If only one trace is displayed,
select MANUAL or AUTO. AUTO
automatically does steps 4 to 6.
For multiple traces
select the
required trace A or B.
Move the upper cursor to 100% of
the trace height. A marker is
shown at 90%.
Highlight the other cursor.
Move the lower cursor to 0% of
the trace height. A marker is
shown at 10%.
Figure 2-20. Risetime Measurement with Cursors
The reading now shows the risetime from 10%-90% of the
trace amplitude and the voltage at the cursors in relation to
the zero icon (-). See Figure 2-20.
Turn off the cursors.