7
301A/301B/301C
Users Manual
Resistance/Continuity
To measure resistance or continuity:
1. Turn the control knob to
.
2. Remove power from the circuit to test.
3. Connect the black test lead to the COM terminal and the red test lead to the V
terminal.
4. Touch the probes to the test points of the circuit.
The display shows the value.
If the resistance is <70
, the beeper sounds continuously to indicate continuity. If the display
shows
, the circuit is open or higher than the measurement range.
Capacitance
The Clamp determines capacitance by charging a capacitor with a known current, measuring the
resulting voltage, then calculating the capacitance.
Note
A good capacitor stores an electrical charge and may remain energized after power is
removed. Before you touch the capacitor or make a measurement, turn all power OFF,
use the Product to conrm that power is OFF, and carefully discharge the capacitor by
connecting a resistor across the leads. Be sure to wear appropriate personal
protective equipment.
To measure capacitance:
1. Turn the control knob to
.
2. Push
to shift to the
function.
3. Remove the capacitor from the circuit and discharge the capacitor.
4. Connect the black test lead to the COM terminal and the red test lead to the V
terminal.
5. Touch the probes to the capacitor leads.
The display shows the measurement.
indicates the capacitor is faulty or the capacitance value is higher then the
measurement range.
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