Technical data

Application Tutorial 3
U3401A User’s and Service Guide 53
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
the test points as shown in Figure 3- 3.
Figure 3-3 Connection terminal when measuring AC Voltage and Frequency
2 Press to select AC voltage measurement for primary display.
3 Press to select frequency measurement for secondary display.
4 Press , or to select autoranging or manual range for
secondary display.
NOTE
Press to disable the secondary display.
AC voltage
source
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