Resistance Measurement - HT HT4012 Bedienungsanleitung

4.3.4. Resistance measurement

1. Select the function "
2. Insert the test leads into the jack, the red plug into V/Ω jack, and black plug into COM
jack.
3. Insert the two long ends of test leads to the desired circuit (see Fig. 7); the reading will
be displayed with automatic detection of the appropriate range.
4. Pressing the R-H key you can select manually the measurement ranges the
measurement ranges in cyclic order. Press the R-H key 2 seconds at least to come back
to AUTOMATIC range selection.
O.L
5. The "
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 D-H key again.
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Before taking any in circuit resistance measurement, remove power from
the circuit being tested and discharge all the capacitors.
Fig. 7: Use of clamps for resistance measures
Ω
".
" symbol means that the measured quantity is higher than the selected
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