Use the diode test to check diodes, and other semi- conductor devices. The diode test sends a current
through the semiconductor junction, and then measures the voltage drop across the junction; a good
silicon junction drops between 0.5V and 0.8V.
To test a diode out of a circuit:
1. Set the rotary switch to
range.
2. Connect the black and red test leads to the COM and
terminals respectively.
3. For forward-bias readings on any semiconductor component, place the red test lead on the
component's anode and place the black test lead on the component's cathode.
4. The meter will show the approx. forward voltage of the diode. If the test lead connection is reversed,
only figure "1" displayed.
In a circuit, a good diode should still produce a forward bias reading of 0.5V to 0.8V; however, the
reverse-bias reading can vary depending on the resistance of other pathways between the probe tips.
3.2.4 Continuity Check
To avoid electrical shock and/or damage
to the instrument, disconnect circuit power
and discharge all high-voltage capacitors
before testing for Continuity.
Continuity is a complete path for current flow.
The beeper sounds if a circuit is complete. These brief contacts cause the Meter to emit a short beep.
To test for continuity:
1. Set the rotary switch to
range.
2. Press the yellow key twice to activate Continuity Check.
3. Connect the black and red test leads to the COM and ( terminals respectively.
4. Connect the test leads to the resistance in the circuit being measured.
5. When the test lead to the circuit is below approx. 30(, a continuous beeping will indicate it.
Note:
( Continuity test is available to check open/short of the circuit.
3.2.5 Capacitance measurement
To avoid electrical shock and/or damage
to the instrument, disconnect circuit power
and discharge all high-voltage capacitors
before measuring capacitance. Use the dc
voltage function
to
confirm
that
the
capacitor is discharged.
Capacitance is the ability of a component to store an electrical charge.
The unit of capacitance is the farad (F). Most capacitors are in the nanofarad to microfarad range.
The Meter's capacitance ranges are 20.00nF, 200.0nF, 2.000(F, and 20.00(F.
