3 Application Tutorial
72 Keysight U3402A User’s and Service Guide
Measure Resistance Using 2-Wire Mode
1 Connect the red and black test leads to the resistor and probe the test points
as shown in Figure 3-5.
Figure 3-5 Terminal connection when measuring resistance using 2-wire
mode
2 Press to select the 2-wire Ω measurement for primary display. The 2W
is displayed.
3 Press . Use
and to select autoranging or manual ranging for
primary display.
Do not apply voltage exceeding 500 V PEAK between V.Ω.Hz and Lo input
terminals.
When measuring low resistance, you may use the Rel operation to reduce the
measurement error created by the test leads resistance and contact resistance
in the test loop (0.1 Ω ~ 0.5 Ω typical)
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