EX410-EU-EN V5.4 7/13
8
AC CURRENT MEASUREMENTS
CAUTION: Do not make current measurements on the 20A scale for longer than 30 seconds.
Exceeding 30 seconds may cause damage to the meter and/or the test leads.
1. Insert the black test lead banana plug into the negative COM jack.
2. For current measurements up to 200mA AC, set the function
switch to the highest 200mA AC ( ) position and insert the red
test lead banana plug into the mA jack.
3. For current measurements up to 20A AC, set the function switch
to the 20A AC range and insert the red test lead banana plug into
the 20A jack.
4. Remove power from the circuit under test, then open up the circuit
at the point where you wish to measure current.
5. Touch the black test probe tip to the neutral side of the circuit.
Touch the red test probe tip to the “hot” side of the circuit.
6. Apply power to the circuit.
7. Read the current in the display.
RESISTANCE MEASUREMENTS
WARNING: To avoid electric shock, disconnect power to the unit under test and discharge all
capacitors before taking any resistance measurements. Remove the battery and unplug the line
cords.
1. Set the function switch to the highest position.
2. Insert the black test lead banana plug into the negative COM jack.
Insert the red test lead banana plug into the positive jack.
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 and then set the function switch to
the lowest position that is greater than the actual or any anticipated
resistance.
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