Resistance Measurement - Amprobe ACDC-400 Manual De Instrucciones

4.3.5. Resistance measurement

Before taking any in circuit resistance measurement, remove power from
the circuit being tested and discharge all the capacitors.
Ω
1. Select the " " function .
2. Insert the test leads into the jacks. The red lead into V/Ω jack, and black lead into COM
jack, as shown in Fig. 8.
3. Connect the test leads to the circuit, the voltage measured will be displayed with
automatic detection of the appropriate range.
4. Press R-H key you can select manually the measurement ranges in cyclic order. Press
R-H key 2 seconds to return to the AUTOMATIC range selection.
O.L
5. The " " symbol means that the measured quantity is higher than the selected
range. Press the R-H key to select a higher range.
6. If the reading is difficult, press the D-H key to hold the obtained value. To exit from this
function press the D-H key again.
Fig. 8: Use of clamp for resistance measures.
WARNING
EN - 14
ACDC-400