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CEN-TECH 98025 - AC Voltage Measurements; DC Voltage Measurements; DC Current Measurements

CEN-TECH 98025
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SKU 98025 For technical questions, please call 1-800-444-3353. Page 5
Do not test current on circuits higher
than 10 amps.
Disconnect Test Leads. Use a 1.
screwdriver to remove both screws on
the rear of the unit. Observe polarity,
and attach a 9V battery to the posts.
Replace and secure the cover.
Do not apply voltage to the Test 2.
Leads when they are connected to
the COM (Bottom) and VWmA (Cen-
ter) Jacks and the Multimeter is in an
Ohms testing setting. Damage can
occur to the multimeter or the fuse
may blow.
Do not switch between testing modes 3.
with the multimeter connected to a
circuit.
AC Voltage Measurements
Measure AC conductors carrying up 1.
to 750 VAC, 45-450 Hz.
Turn the Range Selector Switch to 2.
750 ACV setting. Always start with
the highest range if the voltage is
unknown.
Plug the red lead into the VWmA 3.
(Center) Jack. Plug the black lead into
the COM (Bottom) Jack. Switch the
Multimeter ON.
Carefully touch the exposed conduc-4.
tors with the tips of the probes to
measure the voltage (not amperes).
Read measurement. 5.
If the voltage is less than 200 volts, 6.
set the Range Selector Switch to the
lower range.
When testing is complete, remove 7.
Test Leads and store with multimeter.
DC Voltage Measurements
Measure DC conductors carrying up 1.
to 1000 VDC.
Turn the Range Selector Switch to 2.
1000 DCV setting.
Follow the directions above under 3.
“AC Voltage Measurements”, only use
the DC settings instead.
DC Current Measurements
Measure DC conductors carrying up 1.
to 10 amperes.
Turn the Range Selector Switch to the 2.
10A position.
Always start with the highest range if 3.
the amperage is unknown.
Plug the red lead into the 10A (Top) 4.
Jack. Plug the black lead into the
DC Volt
Selection
Area
AC Volt Selection Area
Battery Test Selection Area
DC Amp
Selection
Area
10 Amp
Selection
Area/Jack
Transistor
Selection
Area
Volt/Ohm/
mA Jack
COM Jack
Diode Selection Area
ON/OFF Switch
Transistor
/hFE Jack
Ohm
Selection
Area

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