EX230-en-GB_1.4 4/15
7
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 batteries and unplug the line
cords.
1. Rotate the function switch to the Ω position.
2. Press the MODE button to indicate Ω on the display.
3. Insert the black test lead banana plug into the negative COM jack.
Insert the red test lead banana plug into the positive jack.
4. Touch the test probe tips across the device under test.
5. Read the resistance in the display.
CAPACITANCE MEASUREMENTS
WARNING: To avoid electric shock, disconnect power to the unit under test and discharge all
capacitors before taking measurements. Remove the batteries and unplug the line cords.
1. Rotate the function switch to the CAP position.
2. Press the MODE button to indicate F units the display.
3. Insert the black test lead banana plug into the negative COM jack.
Insert the red test lead banana plug into the positive CAP jack.
4. Touch the test probe tips across the device under test.
5. Read the capacitance in the display.
FREQUENCY AND DUTY CYCLE MEASUREMENTS
1. Rotate the function switch to the Hz% position.
2. Insert the black test lead banana plug into the negative COM jack.
3. Insert the red test lead banana plug into the positive Hz jack.
4. Use the MODE button to select Hz or % (Duty Cycle)
5. Touch the test probe tips across the device under test.
6. Read the frequency or duty cycle in the display.
