Performing Current Measurements
Measuring AC (RMS) or DC Current in mA
1 Press
2 Power off the measured circuit.
3 Connect the red and black test leads to mA input terminal as shown in
4 Probe the test points in series with the circuit.
5 Power on the measured circuit and read the display.
Figure 2-3 ACI RMS or DCI (mA) terminal connection and display
U3401A User's and Service Guide
• Six ranges:
• Shunt resistance:
• Input protection:
or
Figure 2-
3.
+
ACI or DCI
current source
–
500.00 mA, 5.00 mA, 50.00 mA, 500.00 mA, 5.00 A, 10.00 A
for 500 μA to 10 A ranges
0.01
to 100
Internal 25A, 440 V FH fuse for one terminal
.
Operations and Features
2
23