EX330-EU-ENG – V4.2 1/08
9
AC / DC CURRENT MEASUREMENTS
CAUTION: Do not make current measurements at 10 Amps 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 4000µA, set the function switch to the
µA position and insert the red test lead banana plug into the mA/µA jack
3. For current measurements up to 400mA, set the function switch to the
mA position and insert the red test lead banana plug into the mA/µA
jack.
4. For current measurements up to 10A, set the function switch to the 10A
range and insert the red test lead banana plug into the 10A jack.
5. Use the MODE button to select AC or DC current. The display will reflect
the selection.
6. Remove power from the circuit under test, then open up the circuit at the
point where you wish to measure current.
7. Touch the black test probe tip to the negative side of the circuit. Touch
the red test probe tip to the positive side of the circuit.
8. Apply power to the circuit.
9. Read the current in the display.
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