Keysight U3401A - Measure AC and DC Current on a Rectification Circuit

3 Application Tutorial
66 Keysight U3401A User’s and Service Guide
Measure AC and DC Current on a Rectification Circuit
A single measurement for both AC current and DC current 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 3-2.
Figure 3-2 Connection terminal when using DC current and AC ripple
2 Press to select AC current measurement for primary display.
3 Press to enable the DC current measurement for secondary display.
4 Press , or to select autoranging or manual range for
secondary display.
WARNING
– Make sure you select the correct input terminal according to the input
range used.
– Do not apply current exceeding specified range to input terminals of mA
or A.
NOTE
Press to disable the secondary display.
AC/DC current
source
+
–