Measure AC Voltage and Frequency on an AC Circuit
A single measurement for both AC voltage and frequency can be displayed
through both displays while testing a rectifier circuit.
1 Connect the red and black test leads to the input terminal and probe
+
AC voltage
source
–
Figure 3-3 Connection terminal when measuring AC Voltage and Frequency
2 Press
3 Press
4 Press
Press
N O T E
U3401A User's and Service Guide
the test points as shown in
to select AC voltage measurement for primary display.
to select frequency measurement for secondary display.
,
secondary display.
to disable the secondary display.
Figure 3-
3.
or
to select autoranging or manual range for
Application Tutorial
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