Major tech MTC50 Buku Petunjuk - Halaman 9

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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. Insert the black test lead into the negative COM terminal

and the red test lead into the positive Ω terminal.

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

2. Insert the black test lead into the negative COM terminal

and the red test lead into the positive Ω terminal.

3. Press the MODE button to indicate

4. Touch the test probe tips to the circuit or wire you wish to

check.

5. 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

Press the MODE button to Touch the test probes to the diode

indicate

on the display. under test. Forward voltage will

position.

on the display

position.