Clamp-On AC Ammeter
with Detachable Multimeter
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ˆ Features
Fuse and Diode Protection
protect the multimeter.
Your RadioShack Clamp-On AC Am-
meter with Detachable Multimeter is
— help
— the
designed with
a
precision meter
Battery Condition Testing
multimeter shows when you need to
replace the battery.
movement to avoid mechanical shock
damage. Your portable, compact mul-
timeter is ideal for field, lab, shop,
bench, and home applications. The
multimeter measures DC and AC cur-
rent, DC and AC voltage, and resis-
tance.
Detachable Test Leads
— let you
store the multimeter neatly and con-
nect the test leads only when you
need to use the multimeter.
Important:
Deluxe Carrying Case
— protects
your multimeter, ammeter, and test
leads and lets you take them almost
anywhere.
• This multimeter is designed for
indoor use only.
• Completely read this manual
before you use the multimeter.
Your multimeter has passed the criti-
cal safety tests required by Underwrit-
ers Laboratories for test equipment,
meets UL 3111 Installation Category
1, Pollution Degree 2, and its 2000
ohm/volt sensitivity ensures accurate
readings.
• If you are not familiar with multi-
meters and testing procedures,
we suggest you read the book
Using Your Meter (available at
your local RadioShack store)
before you use this multimeter.
Note:
Your multimeter requires one
Here are some features that make
your multimeter a real pro:
AAA battery (not supplied).
Detachable Clamp-On AC Ammeter
— lets you measure AC current by
simply clamping around a wire quickly
and safely.
Hold Function
— lets you easily hold
the displayed value when measuring
AC current, so you can see the read-
ing even after you disconnect the am-
meter.
3
Features
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cover is in place and fully closed
with the screw fully tightened.
A WORD ABOUT
SAFETY
• Because many AC/DC sets have
a potentially hot chassis, be sure
the top of your workbench and
the floor underneath it are made
of non-conductive materials.
We have taken every precaution in
designing this multimeter to ensure
that it is as safe as we can make it.
But safe operation depends on you,
the operator. We recommend that
you follow these simple safety rules:
This multimeter is fully calibrated and
tested. Under normal use, no further
adjustment should be necessary ex-
cept as noted in this Owner’s Manual.
If the multimeter requires repair, do
not try to adjust it yourself. Take it to
your local RadioShack store.
• Never apply voltages to the mul-
timeter that exceed the limits
given in “Specifications” on
Page 6. Never apply more than
500V DC or 500V RMS AC
between any input terminals or
between an input terminal and
ground.
WARNINGS:
• USE EXTREME CAUTION IN
THE USE OF THIS DEVICE.
IMPROPER USE OF THIS
DEVICE CAN RESULT IN
INJURY OR DEATH. FOLLOW
• Use extreme caution when work-
ing with voltages above 40V.
Always disconnect power from
the circuit you are measuring
before you connect test leads to
high-voltage points.
ALL
SAFEGUARDS
SUG-
GESTED IN THIS OWNER’S
MANUAL IN ADDITION TO
NORMAL SAFETY PRECAU-
TIONS IN DEALING WITH
ELECTRICAL CIRCUITS. DO
NOT USE THIS DEVICE IF YOU
ARE UNFAMILIAR WITH ELEC-
TRICAL CIRCUITS AND TEST-
ING PROCEDURES.
• Never connect the test leads to a
source of voltage when the func-
tion selector is set to
R×1KΩ,
R×100Ω 150mA DC mA
,
, or
ACA
.
• Always discharge any capacitors
of the circuit under test before
you attach test leads.
• NEVER TRY TO PROBE WITH
BOTH TEST LEADS AT THE
SAME TIME OR HOLD BOTH
TEST LEADS IN ONE HAND.
• Always turn off power and dis-
connect the test leads from the
circuit you are testing before you
replace the multimeter’s battery.
• USE EXTREME CARE WHILE
USING THE MULTIMETER TO
• Never operate the multimeter
unless its battery compartment
4
Features
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MEASURE CURRENT AND
VOLTAGE IN COMMERCIAL
ELECTRICAL PANELS. UNLIKE
A HOME AC OUTLET, A COM-
MERCIAL ELECTRICAL PANEL
• ALWAYS WEAR PROTECTIVE
LEATHER GLOVES, FACE
SHIELD, AND FIREPROOF ARM
AND UPPER BODY PROTEC-
TION WHILE USING THE MULTI-
A
HAS
TREMENDOUS
CUR-
METER
TO
MEASURE
RENT SURGE POTENTIAL.
THIS IS ESPECIALLY TRUE
FOR THREE-PHASE INDUS-
TRIAL ELECTRICAL PANELS. A
SMALL SPARK FROM ONE OF
THESE PANELS CAN CAUSE A
PLASMA EXPLOSION AND
FIRE THAT CAN SEVERELY
BURN YOU. DO NOT HOLD
CURRENT AND VOLTAGE IN
COMMERCIAL
PANELS.
ELECTRICAL
• IF THIS EQUIPMENT IS USED
IN A MANNER NOT SPECIFIED
BY THE MANUFACTURER,
THE PROTECTION PROVIDED
BY THE EQUIPMENT MAY BE
IMPAIRED.
THE
MULTIMETER
WHILE
USING IT.
• TO REDUCE THE RISK OF
FIRE OR SHOCK HAZARD, DO
NOT EXPOSE THIS PRODUCT
TO RAIN OR MOISTURE.
ˆ Special Panel Markings
For your safety, we have added special markings to the multimeter’s panel to re-
mind you of the measurement limitations.
500V
MAX
To avoid electrical shock or damage to the multimeter, do
not connect the ground terminal (– jack) to any source
that exceeds 500 volts with respect to earth/ground.
500V
RMS
MAX
To avoid electrical shock or damage to the multimeter, do
not connect the test leads to any source that exceeds 500
volts RMS AC.
Risk of electric shock! Refer to the complete
operating instructions.
Caution:
!
Be extra careful when making high-voltage
Caution:
measurements; DO NOT TOUCH TERMINALS OR
PROBE ENDS.
5
Special Panel Markings
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ˆ Specifications
RANGES
AC/DC Voltage.......................................................................... 15V, 150V, 500V
DC Current .............................................................................................. 150 mA
AC Current ..................................................................................... 3A, 15A, 30A
Resistance ...................................................................... 100kΩ (Center 3.5KΩ),
10KΩ (Center 350Ω)
ACCURACY
DC .......................................................................................... ±3.0% of full scale
AC .......................................................................................... ±4.0% of full scale
Resistance ................................................................... ±3.0% at full scale length
Sensitivity, AC/DC Voltage ............................................................... 2000 Ω/Volt
MISCELLANEOUS
Operating Temperature ............................................... 32 to 109.4°F (0 to 43°C)
Storage Temperature .................................................. –4 to 140°F (–20 to 60°C)
Power Source ........................................................................... One AAA battery
7
5
1
Dimensions (HWD) .......................................................... 7 / 2 / 1 / Inches
8 ×
8 ×
8
(200 × 66 × 28 mm)
Weight ........................................................................................... 8.8 oz (250 g)
Included Accessories .......................................................................... Test leads
AC Ammeter
Carrying Case
Specifications are typical; individual units might vary. Specifications are subject
to change and improvement without notice.
6
Specifications
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ˆ A Quick Look at Your Multimeter
Ω
OHMS
ADJUST
(left side of
multimeter)
AC AMMETER
MULTIMETER
7
A Quick Look at Your Multimeter
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ˆ Preparation
INSTALLING A
BATTERY
Top Cover
Your multimeter requires one AAA
battery (not supplied) for power. For
the best performance and longest life,
we recommend a RadioShack alka-
line battery.
Warnings:
• To avoid electrical shock, discon-
nect both of the multimeter’s test
leads from any equipment before
you install or remove the multim-
eter’s battery.
3. Use a Phillips screwdriver to
remove the screw on the lower
back of the multimeter, then
remove the multimeter’s back
cover.
• Do not operate your multimeter
until the battery is properly
installed and the back cover is in
place and secured.
Caution:
Use only a fresh battery of
the required size and recommended
type.
Back
Cover
Follow these steps to install the bat-
tery.
OFF
1. Set the function selector to
to turn off the multimeter if it is
on, then disconnect the test
leads if they are connected.
2. Use a Phillips screwdriver to
remove the screw on the upper
back of the multimeter. Then pull
up the top cover to remove it.
8
Preparation
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4. Place the battery in the compart-
ment as indicated by the polarity
symbols (+ and –) marked inside.
Plug the black test lead’s right-angled
–
end into the multimeter’s (common)
jack, then plug the red test lead’s
right-angled end into the + jack.
5. Replace the back cover and the
top cover, then secure them with
the screws.
CONNECTING THE
AC AMMETER TO
THE MULTIMETER
When you cannot adjust the needle to
0
point to on the scale when you mea-
Cautions:
sure resistance (see “Measuring Re-
sistance” on Page 16) or the
multimeter stops operating properly,
replace the battery.
• Always connect the ammeter to
your multimeter before you
clamp the ammeter to a wire car-
rying current.
Warning:
Dispose of old batteries
promptly and properly. Do not burn or
bury them.
• Always unclamp the ammeter
from
a
wire carrying current
Caution:
If you do not plan to use the
before you disconnect it from the
multimeter.
multimeter for a month or more, re-
move the battery. Batteries can leak
chemicals that can destroy electronic
parts.
1. Use a Phillips screwdriver to
remove the screw on the upper
back of the multimeter. Then pull
up the top cover to remove it.
CONNECTING THE
TEST LEADS
2. Insert the four pins on the amme-
ter as far as they will go into the
top of the multimeter, then gently
press the ammeter down onto
the top of the multimeter until it
clicks.
The test leads supplied with your mul-
timeter are rated for 1000 volts. Use
only test leads of the same rating with
the multimeter. You can order re-
placement leads from your local
RadioShack store.
WARNING:
ALTHOUGH THE TEST
LEADS ARE RATED FOR 1000
VOLTS, THE MAXIMUM RATING OF
THIS MULTIMETER IS 500 VOLTS
DC/500 VOLTS RMS AC. DO NOT
TRY TO MEASURE ANY VOLTAGE
GREATER THAN 500 VOLTS DC/
500 VOLTS RMS AC.
9
Preparation
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3. Use the screw to secure the
ammeter to the multimeter, then
put the top cover you removed in
Step 1 in a safe place.
ZERO ADJUSTMENT
If the needle does not normally rest
exactly over 0 on the left side of the
ACVA/DCVA
scale, use a flat screw-
driver to adjust the plastic screw on
the center of the multimeter’s face to
set the needle to 0.
ˆ Using the Multimeter
WARNING:
DO NOT TRY TO MEA-
MAKING
SURE ANY VOLTAGE GREATER
THAN 500 VOLTS DC/500 VOLTS
RMS AC.
MEASUREMENTS
For the most accurate readings, the
temperature should be between 43°F
and 74°F (6°C and 23°C), with a max-
imum of 80% relative humidity.
Caution:
When the multimeter is not
in use, always leave the function se-
lector set to
OFF
.
Keep the multimeter lying flat on a
non-metallic surface. Also, use a
range setting that results in a reading
in the upper third of the multimeter’s
scale.
To use the multimeter, use the func-
tion selector to switch between the
multimeter’s functions. Then connect
the test leads to the circuit you want
to measure.
For exact readings, look at the scale
from an angle where the needle and
its reflection in the mirror come to-
gether.
Caution:
Be sure to select the correct
function before you touch the test
leads to the circuit or component to
be tested.
10
Using the Multimeter
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MEASURING DC/AC
VOLTAGE
WARNINGS:
• NEVER CLAMP A TEST LEAD
TO A HOT WIRE (USUALLY
RED, BLACK, OR BLUE IN AC
WIRING CIRCUITS). IF ONE
LEAD IS CLAMPED TO A HOT
WIRE AND YOU TOUCH THE
Note:
If you are not sure about
the voltage level you are measur-
ing, set the function selector to
500 DCV
500 ACV
. Then keep
or
MULTIMETER’S
OTHER
trying the next lowest range as
necessary until the reading
appears in the upper third of the
multimeter’s scale.
PROBE, YOU COULD RECEIVE
AN ELECTRIC SHOCK.
• THE MAXIMUM INPUT LIMIT
FOR VOLTAGE MEASURE-
MENT IS 500V DC OR 500V AC
(RMS). TO AVOID ELECTRI-
CAL SHOCK AND DAMAGE TO
THE MULTIMETER, NEVER
TRY TO MEASURE DC VOLT-
AGE ABOVE 500 VOLTS OR AC
VOLTAGE ABOVE 500 VOLTS
RMS.
2. Touch the test leads to the circuit
you want to test.
• If the function selector is set to
500 ACV
500 DCV
or
, read the
ACVA/DCVA
upper line of
on
the multimeter. The AC or DC
voltage is the reading you see.
For example, if the needle
points to 200, the AC or DC
voltage is 200 volts. Other-
wise, read the lower line of
• TO
AVOID
ELECTRICAL
SHOCK AND DAMAGE TO THE
MULTIMETER, NEVER CON-
NECT THE TEST PROBE
ACVA/DCVA
on the multime-
ter then multiply the reading
you see by 500/3. For exam-
ple, if the needle points to 2.4,
the AC or DC voltage is 400
volts (2.4 × 500/3 = 400V).
–
PLUGGED INTO THE
JACK
TO A SOURCE OF VOLTAGE
ABOVE 500 VOLTS.
Follow these steps to measure AC or
DC voltage.
• If the function selector is set to
1. Set the function selector to one
150 ACV
150 DCV
or
, read the
DCV
of the
positions (to measure
ACVA/DCVA
lower line of
on
ACV
DC voltage) or to one of the
the multimeter then multiply
the reading you see by 50. For
example, if the needle points
positions (to measure AC volt-
age).
11
Using the Multimeter
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to 2, the AC or DC voltage is
100 volts (2 × 50 = 100V).
YOU DO NOT USE THIS MULTIME-
TER FOR SUCH APPLICATIONS.
• If the function selector is set to
We designed this multimeter primarily
to measure household AC voltages. If
you want to measure 3-phase, line-to-
line voltages, please note that the ac-
tual voltage can be greater than the
circuit’s rated line-to-ground voltage.
15 DCV
, read the lower line of
ACVA/DCVA
on the multime-
ter then multiply the reading
you see by 5. For example, if
the needle points to 2, the DC
voltage is 10 volts (2 × 5 =
10V).
Most 3-phase power circuits are rated
by their line-to-line voltage. This volt-
age is higher than the line (or phase)
to ground voltage. To determine if a
line-to-line 3-phase voltage exceeds
the rating of this multimeter, multiply
the rated line-to-ground voltage by
1.732 (the square root of 3). For ex-
ample, if the rated line-to-ground volt-
age is 300 volts, the line-to-line
voltage is 300 × 1.732 = 519.6 V AC.
• If the function selector is set to
15 ACV
AC15V
line
, read the
on the multimeter. For exam-
ple, if the needle points to 10,
the AC voltage is 10 volts.
Hint:
When you use the multimeter to
probe for a voltage in a high-voltage
circuit, we recommend you do not try
to position both test leads at once. In-
stead, use an insulated alligator clip
(not supplied) to clamp one test lead
to the circuit's neutral or ground lead
(usually a bare, green, or white lead
in AC wiring circuits). Then place your
free hand in your pocket or behind
your back and probe for voltages with
the other test lead. This helps prevent
you from accidentally touching a hot
wire, since you need only concentrate
on one test lead.
Warning:
This voltage exceeds the
multimeter’s rating. Therefore, you
should not connect the multimeter to
this circuit or to any equipment con-
nected to the circuit. Doing so could
present a dangerous shock hazard to
you, and could also damage the mul-
timeter.
If you do not know why there is a volt-
age difference, you should not be
working on three-phase power cir-
cuits. These circuits are generally ex-
tremely powerful and very dangerous.
Special safety equipment should be
worn when working around these
dangerous circuits.
Measuring Three-Phase AC
Voltage
WARNING:
BECAUSE OF THE
DANGERS INHERENT IN MEASUR-
ING THREE-PHASE CIRCUITS, WE
STRONGLY RECOMMEND THAT
12
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2. Disconnect the test leads from
the circuit.
Measuring AC Voltage
Riding on a DC Source Bias
3. Remove power from the circuit
under test and discharge all
capacitors.
To measure AC voltage superim-
posed on a DC voltage source bias
while ignoring the DC voltage, you
must first measure the AC and DC
voltages separately, then compute
the peak voltage using this formula:
4. Set the function selector to one
ACV
of the
positions. Then con-
nect a 0.1 microfarad/100V poly-
ester film capacitor in series with
the positive terminal of the volt-
age source and the red test lead.
Peak voltage = DC voltage + AC volt-
age/0.707
WARNINGS:
–
5. Connect the
(common) test
lead to ground and note the read-
ing on the upper or lower line of
• TO AVOID INJURY OR DAM-
AGE TO YOUR MULTIMETER,
NEVER TRY TO MEASURE AN
AC VOLTAGE THAT IS RIDING
ACVA/DCVA
on the multimeter.
The multimeter shows the AC
voltage.
ON
A
DC SOURCE BIAS
WHERE THE PEAK VOLTAGE
Warning:
shock, never touch the circuit
and test terminals while testing.
To avoid electric
EX-CEEDS
RESPECT
GROUND.
100V
TO
WITH
EARTH
6. When you finish measuring the
AC voltage, disconnect the
power from the circuit under test
then disconnect the capacitor
you connected in Step 4.
• TO AVOID INJURY OR DAM-
AGE TO YOUR MULTIMETER,
NEVER TRY TO MEASURE
ANY VOLTAGE MORE THAN
30V AC ON A DC SOURCE
BIAS.
MEASURING CURRENT
Follow these steps to measure an AC
voltage superimposed on a DC volt-
age source bias.
Measuring DC Current
WARNING:
AGE TO THE TEST LEADS WHILE
THE FUNCTION SELECTOR IS SET
DO NOT APPLY VOLT-
1. Set the function selector to one
DCV
of the
positions. Then touch
the test leads to the circuit you
want to test and note the reading
on the upper or lower line of
150mA DC mA
TO
. THE CONNEC-
TION MUST BE IN SERIES WITH
THE CURRENT.
ACVA/DCVA
on the multimeter.
13
Using the Multimeter
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150
1. Set the function selector to
mA DC mA
.
2. Remove power from the circuit
under test and discharge all
capacitors.
3. Break the electrical path for the
circuit in which you want to mea-
–
sure current. Then connect the
(common) test lead to the nega-
tive side and the positive (+) test
lead to the positive side of the
circuit.
4. Apply power to the circuit.
ACVA/
5. Read the lower line of
DCVA
on the multimeter, then
multiply that reading by 50 to
compute the current.
1. Connect the ammeter to the mul-
timeter (see “Connecting the AC
Ammeter to the Multimeter” on
Page 9).
For example, if the needle points
to 2, the DC current is 2 × 50 =
100mA. If the needle points to 1,
the DC current is 1 × 50 = 50mA.
ACA
2. Set the function selector to
.
T/3A/
3. Test the ammeter by sliding
Measuring AC Current in a
Wire
15A/30A
T
on the ammeter to
then reading the line below
AC15V
,
on the multimeter.
WARNING:
DO NOT APPLY VOLT-
AGE TO THE TEST LEADS WHILE
THE FUNCTION SELECTOR IS SET
GOOD
If the needle points to
on
the multimeter, the ammeter is
working. Skip to Step 4. If the
ACA
TO
.
FAIL
needle points to
on the mul-
Important:
Make sure you place only
timeter, check the multimeter’s
battery (see “Installing a Battery”
on Page 8), then repeat Step 3. If
one wire inside the ammeter's jaws at
a time. If you try to measure AC cur-
rent in more than one wire at a time,
such as an AC power cord of a
household appliance, the measure-
ment will not be accurate.
FAIL
the needle points to
again,
take the multimeter to your local
RadioShack store.
14
Using the Multimeter
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4. Hold down the trigger lever on
the ammeter. The ammeter’s
jaws open. Then insert the wire
you are measuring inside the
probe's jaws and release the trig-
ger lever.
6. To help ensure an accurate read-
ing, move the probe so the wire
is in the center of the open area
inside the jaws.
ACVA/
7. Read the lower line of
DCVA
on the multimeter.
T/3A/15A/30A
• If
on the ammeter is
3A
set to
, the AC current is the
reading you see. For example, if
2
the needle points to , the AC
current is 2 amps.
T/3A/15A/30A
• If
on the ammeter is
15A
set to
, multiply that reading
by 5 to compute the current. For
example, if the needle points to
2
×
, the AC current is 10 amps (2
5 = 10A).
T/3A/15A/30A
• If
on the ammeter is
30A
set to
, multiply that reading
by 10 to compute the current. For
example, if the needle points to
2
×
, the AC current is 20 amps (2
10 = 20A).
T/3A/15A/30A
5. Slide
ter to
on the amme-
3A 15A
30A
(to measure
,
, or
HOLD
8. Press
on the ammeter to
current).
HOLD
HOLD
HOLD
hold the reading you see.
clicks and stays in. Press
again to release hold.
clicks and pops out.
Note:
If you are not sure about
the current level you are measur-
ing, slide
T/3A/15A/30A
on the
30A
ammeter to
. Then keep try-
9. When you finish measuring cur-
rent, set the function selector to
ing the next lowest range as nec-
essary until the reading appears
on the lower line of
on the multimeter.
OFF
.
Then remove the AC
ACVA/DCVA
ammeter from the multimeter and
secure the top cover and back
cover with the screws.
15
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Caution:
Never connect the test
MEASURING WATTAGE
leads to a source of voltage when the
You can use the multimeter and am-
meter to tell how many watts of power
an appliance uses. This helps you de-
termine what the electricity costs are
for that appliance.
function selector is set to
R×1KΩ
or
R×100Ω
.
Note:
When you measure the resis-
tance of a component in a circuit, dis-
connect one side of the component
you are testing. This prevents other
components in the circuit from inter-
fering with the reading.
The following formula can help you
make the necessary conversion.
×
V (volts) A (amps) = W (watts)
Follow these steps to measure resis-
tance.
To determine how many watts an ap-
pliance uses, use your multimeter to
measure the number of volts it uses
(120 volts single-phase AC is stan-
dard for most household appliances)
then connect the ammeter to the mul-
timeter and use both to measure the
current it uses. Then multiply those
numbers. For example, if your air
conditioner uses 120 volts and you
measured 10 amps, it uses 1,200
watts.
1. Set the function selector to
R×1KΩ
or
R×100Ω
.
2. Touch the test leads together,
OHMS ADJUST
then rotate
on the
side of the multimeter until the
0
needle points to on the top line
on the multimeter.
3. Touch the test leads across the
circuit you want to measure, or
remove one of the leads of the
component you want to measure
from its circuit and touch the test
leads across the component.
MEASURING
RESISTANCE
The resistance measuring circuit in
your multimeter compares the voltage
gained through a known resistance
(internal) with the voltage developed
across an unknown resistance.
OHMS
Then read the top
the multimeter.
line on
• If the function selector is set to
R×100Ω
, multiply that reading by
100 to compute the resistance.
For example, if the needle points
WARNING:
BE SURE THE CIRCUIT
UNDER TEST HAS ALL POWER
REMOVED AND ANY ASSOCIATED
CAPACITORS ARE FULLY DIS-
CHARGED BEFORE YOU MAKE A
RESISTANCE MEASUREMENT.
1
to , the resistance is 100 ohms
(1 × 100 = 100Ω).
16
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Hint:
• If the function selector is set to
R×1KΩ
If you are identifying cathode
, multiply that reading by
1000 to compute the resistance.
For example, if the needle points
and anode ends or the type of transis-
tor (PNP or NPN), the actual polarity
of the multimeter's voltage is the op-
posite of the polarity suggested by the
test probes' color. The red test probe
is the negative source, and the black
test probe is the positive source.
1
to , the resistance is 1000 ohms
(1 × 1000 = 1000Ω).
ˆ Care
Keep the multimeter dry; if it gets wet,
wipe it dry immediately. Use and
store the multimeter only in normal
temperature environments. Handle
the multimeter carefully; do not drop
it. Keep the multimeter away from
dust and dirt.
CLEANING
To keep the multimeter looking new,
occasionally wipe it with a cloth slight-
ly dampened with water. Do not use
harsh chemicals, cleaning solvents,
or strong detergents to clean the mul-
timeter.
Modifying or tampering with the multi-
meter’s internal components can
cause a malfunction and might invali-
date its warranty. If your multimeter is
not performing as it should, take it to
your local RadioShack store for assis-
tance.
WARNINGS:
• DO NOT LET ANY WATER DRIP
INSIDE THE MULTIMETER
WHILE CLEANING IT.
• MAKE SURE THAT THE MULTI-
METER IS COMPLETELY DRY
BEFORE USING IT.
17
Care
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6. If the fuse is blown, discard it and
save the ribbon (to use with the
next spare fuse you store in the
compartment). Then remove the
spare fuse and the ribbon hold-
ing it from the upper back of the
multimeter and insert it into the
fuse holder.
REPLACING THE FUSE
If the multimeter does not work, you
might need to replace the fuse with
the supplied 315 mA, 250V ceramic
fuse. The spare fuse is next to the
battery compartment.
Caution:
Do not use a fuse with rat-
ings other than those specified here.
Doing so might damage your multim-
eter.
7. Replace the battery in the com-
partment.
Warning:
Do not operate your
Follow these steps to replace the
fuse.
multimeter until the back cover
and top cover are in place and
secured.
OFF
1. Set the function selector to
,
then disconnect the test leads if
they are connected.
8. Replace the back cover and the
top cover, then secure them with
the screws.
WARNING:
TO AVOID ELEC-
TRIC SHOCK, YOU MUST DIS-
CONNECT THE TEST LEADS
BEFORE YOU REMOVE THE
BACK COVER.
2. Use a Phillips screwdriver to
remove the screw on the upper
back of the multimeter. Then
remove the top cover.
3. Use a Phillips screwdriver to
remove the screw on the lower
back of the multimeter, then
remove the multimeter’s back
cover.
4. Remove the battery.
5. To remove the fuse, gently pull
the red ribbon holding it. The
fuse pops out.
18
Care
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ˆ Notes
19
Notes
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Limited Ninety-Day Warranty
This product is warranted by RadioShack against manufacturing defects in material and work-
manship under normal use for ninety (90) days from the date of purchase from RadioShack com-
pany-owned stores and authorized RadioShack franchisees and dealers. EXCEPT AS
PROVIDED HEREIN, RadioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED
WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICU-
LAR PURPOSE, ARE LIMITED IN DURATION TO THE DURATION OF THE WRITTEN LIMITED
WARRANTIES CONTAINED HEREIN. EXCEPT AS PROVIDED HEREIN, RadioShack SHALL
HAVE NO LIABILITY OR RESPONSIBILITY TO CUSTOMER OR ANY OTHER PERSON OR
ENTITY WITH RESPECT TO ANY LIABILITY, LOSS OR DAMAGE CAUSED DIRECTLY OR IN-
DIRECTLY BY USE OR PERFORMANCE OF THE PRODUCT OR ARISING OUT OF ANY
BREACH OF THIS WARRANTY, INCLUDING, BUT NOT LIMITED TO, ANY DAMAGES RE-
SULTING FROM INCONVENIENCE, LOSS OF TIME, DATA, PROPERTY, REVENUE, OR
PROFIT OR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
EVEN IF RadioShack HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Some states do not allow limitations on how long an implied warranty lasts or the exclusion or lim-
itation of incidental or consequential damages, so the above limitations or exclusions may not ap-
ply to you.
In the event of a product defect during the warranty period, take the product and the RadioShack
sales receipt as proof of purchase date to any RadioShack store. RadioShack will, at its option,
unless otherwise provided by law: (a) correct the defect by product repair without charge for parts
and labor; (b) replace the product with one of the same or similar design; or (c) refund the pur-
chase price. All replaced parts and products, and products on which a refund is made, become
the property of RadioShack. New or reconditioned parts and products may be used in the perfor-
mance of warranty service. Repaired or replaced parts and products are warranted for the re-
mainder of the original warranty period. You will be charged for repair or replacement of the
product made after the expiration of the warranty period.
This warranty does not cover: (a) damage or failure caused by or attributable to acts of God,
abuse, accident, misuse, improper or abnormal usage, failure to follow instructions, improper in-
stallation or maintenance, alteration, lightning or other incidence of excess voltage or current; (b)
any repairs other than those provided by a RadioShack Authorized Service Facility; (c) consum-
ables such as fuses or batteries; (d) cosmetic damage; (e) transportation, shipping or insurance
costs; or (f) costs of product removal, installation, set-up service adjustment or reinstallation.
This warranty gives you specific legal rights, and you may also have other rights which vary from
state to state.
RadioShack Customer Relations, 200 Taylor Street, 6th Floor, Fort Worth, TX 76102
12/99
We Service What We Sell
22-602
01A01
Printed in China
RadioShack Corporation
Fort Worth, Texas 76102
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