HT instruments HT9021 - Manual (Page 11)

HT9021
EN - 10
4.3.3. Resistance measurement
CAUTION
Before taking any in circuit resistance measurement, remove power from
the circuit to be tested and discharge all the capacitors.
Fig. 5: Taking Resistance measurement
1. Rotate the switch on
Ω
CAP position
2. Insert the red test lead plug into V Ω
CAP Temp
jack and the black test lead plug
into COM jack (Fig. 5)
3. Connect the two long ends of test leads to the desired circuit, then reading will be
displayed
4. When “O.L.” symbol is displayed, the result under test exceeds the maximum value
that the instrument is capable of measuring
5. For HOLD and MAX/MIN features please refer to § 4.2
4.3.4. Continuity test and Diode test