User Manual

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7
RESISTANCE MEASUREMENT
WARNING: To avoid electric shock, disconnect power to the unit
under test and discharge all capacitors before taking any
resistance measurements. Remove the batteries and unplug the
line cords.
1. Set the function switch to the Ω position.
2. Press the MODE button to indicate Ω on the display.
3. Touch the test probe tips across the circuit or part under test. It is
best to disconnect one side of the part under test so the rest of the
circuit will not interfere with the resistance reading.
4. Read the resistance in the display
CONTINUITY CHECK
WARNING: To avoid electric shock, never measure continuity on
circuits or wires that have voltage on them.
1. Set the function switch to the Ω position.
2. Press the MODE button to indicate on the display
3. Touch the test probe tips to the circuit or wire you wish to check.
4. If the resistance is less than approximately 150Ω, the audible
signal will sound. If the circuit is open, the display will indicate
“OL”.
DIODE TEST
1. Set the function switch to the Ω position.
2. Press the MODE button to indicate on the display.
3.
Touch the test probes to the diode under test. Forward voltage
will typically indicate 0.400 to 0.700V. Reverse voltage will indicate
“OL”. Shorted devices will indicate near 0V and an open device
will indicate “OL” in both polarities