7
• Set the function switch to the VAC position.
• Insert the black test lead banana plug into the negative COM jack. Insert red test lead
banana plug into the positive V jack.
• Read the voltage in the main display.
Frequency Measurements
• Set the function switch to the Hz% position.
• Insert the black test lead banana plug into the negative COM jack.
Insert the red test lead banana plug into the positive V jack.
• Read the Frequency in the display.
• Press the
MODE
key to switch the Duty functions.
• Read the Duty in the display.
Resistance Measurements
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.
• Set the function switch to the
Ω
CAP
•
)
)
)
position.
• Insert the black test lead banana plug into the negative COM jack. Insert the red test
lead banana plug into the positive
Ω
jack.
• Read the resistance in the display.
Continuity Check
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.
• Set the function switch to the
Ω
CAP
•
)
)
)
position.
• Insert the black test lead banana plug into the negative COM jack. Insert the red test lead
banana plug into the positive jack.
• Press the
MODE
key to switch the continuity functions.
• If the resistance is less than approximately 50
Ω
, the audible signal will sound. If the
circuit is open, the display will indicate “OL”.
4.7. Diode Test
• Set the function switch to the
Ω
CAP
•
)
)
)
position.
• Insert the black test lead banana plug into the negative COM jack and the red test lead
banana plug into the positive V jack.
• Press the
MODE
key to switch the Diode functions.
• Forward voltage will typically indicate 0.400 to 3.000V. Reverse voltage will indicate
“OL”. Shorted devices will indicate near 0V and an open device will indicate “OL” in
both polarities.
