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1

Owner's Manual

Digital MultiMeter

Model No. 82140

and

Voltage Detector

Model No. 82174

© Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.

www.craftsman.com 070606

!

Safety

! Operation

! Maintenance

! Español

CAUTION: Read, understand and

follow Safety Rules and Operating

Instructions in this manual before

using this product.

2

TABLE OF CONTENTS

Page

Warranty 3

Safety Instructions 4

Safety Symbols 5

Control and Jacks 6

Symbols and Annunciators 6

Specifications 7

Battery Installation 9

Operating Instructions 10

DC Voltage Measurements 10

AC Voltage Measurements 11

DC Current Measurements 12

Resistance Measurements 13

Continuity Check 13

Diode Test 14

Battery Test 14

Maintenance 15

Replacing Batteries 16

Replacing Fuses 16

Troubleshooting 17

Service and Parts 17

Model 82174 instructions 18

3

ONE YEAR FULL WARRANTY

ONE YEAR FULL WARRANTY ON CRAFTSMAN MANUAL RANGING

MULTIMETER

If this CRAFTSMAN Manual Ranging MultiMeter fails to give complete

satisfaction within one year from the date of purchase, RETURN IT TO

THE NEAREST SEARS STORE OR OTHER CRAFTSMAN OUTLET IN

THE UNITED STATES, and Sears will replace it, free of charge.

If this CRAFTSMAN Manual Ranging MultiMeter is used for commercial

or rental purposes, this warranty applies for 90 days from the date of

purchase.

This warranty gives you specific legal rights, and you may also have

other rights which vary from state to state

Sears, Roebuck and Co., Dept. 817WA, Hoffman Estates, IL 60179

For Customer Assistance Call 9am-5 PM (EST)

Monday through Friday 1-888-326-1006

WARNING: USE EXTREME CAUTION IN THE USE OF THIS DEVICE.

Improper use of this device can result in injury or death. Follow all

safeguards suggested in this manual. In addition to the normal safety

precautions used in working with electrical circuits. DO NOT service this

device if you are not qualified to do so.

4

SAFETY INSTRUCTIONS

This meter has been designed for safe use, but must be operated with

caution. The rules listed below must be carefully followed for safe operation.

1. NEVER apply voltage or current to the meter that exceeds the

specified maximum:

Input Limits

Function Maximum Input

VAC 600V DC/AC

V DC or V AC 600V DC/AC, 200Vrms on 200mV range

mA DC 200mA 250V fast acting fuse

A DC 10A 250V fast acting fuse(30 seconds max

every 15 minutes)

Resistance, Continuity 250Vrms for 15sec max

2. USE EXTREME CAUTION when working with high voltages.

3. DO NOT measure voltage if the voltage on the "COM" input jack

exceeds 500V above earth ground.

4. NEVER connect the meter leads across a voltage source while the

function switch is in the current, resistance, or diode mode. Doing so

can damage the meter.

5. ALWAYS discharge filter capacitors in power supplies and disconnect

the power when making resistance or diode tests.

6. ALWAYS turn off the power and disconnect the test leads before

opening the doors to replace the fuse or batteries.

7. NEVER operate the meter unless the back cover and the battery and

fuse doors are in place and fastened securely.

5

SAFETY SYMBOLS

This symbol adjacent to another symbol, terminal or

operating device indicates that the operator must refer

to an explanation in the Operating Instructions to avoid

personal injury or damage to the meter.

This WARNING symbol indicates a potentially

hazardous situation, which if not avoided, could result

in death or serious injury.

This CAUTION symbol indicates a potentially

hazardous situation, which if not avoided, may result

damage to the product.

This symbol advises the user that the terminal(s) so

marked must not be connected to a circuit point at

which the voltage with respect to earth ground

exceeds (in this case) 500 VAC or VDC.

This symbol adjacent to one or more terminals

identifies them as being associated with ranges that

may, in normal use, be subjected to particularly

hazardous voltages. For maximum safety, the meter

and its test leads should not be handled when these

terminals are energized.

This symbol indicates that a device is protected

throughout by double insulation or reinforced insulation.

WARNING

CAUTION

MAX

500V

6

CONTROLS AND JACKS

1. LCD Display

2. Function switch

3. COM jack

4. 10A jack

5. Positive jack

Note: Tilt stand, fuse and battery

compartment are on rear of unit.

SYMBOLS AND ANNUNCIATORS

•))) Continuity

Diode test

" micro (amps)

m milli ( volts, amps)

k kilo (ohms)

##$# ohms

VDC volts direct current

VAC volts alternating current

ADC amps direct current

BAT Battery test

1

3

4

5

2

7

SPECIFICATIONS

Function Range Resolution Accuracy

200mV 0.1mV

2000mV 1mV

20V 0.01V

200V 0.1V

DC Voltage

(V DC)

600V 1V

%(0.5% reading + 2 digits)

200V 0.1V AC Voltage

(V AC) 600V 1V

%(1.2% reading + 10 digits

(50/60Hz)

2000"A 1"A

20mA 10"A

%(1.0% reading + 2 digits)

200mA 100"A %(1.2% reading + 2 digits)

DC Current

(A DC)

10A 10mA %(2.0% reading + 2 digits)

200$ 0.1$

2000$ 1$

20k$ 0.01k$

200k$ 0.1k$

%(0.8% reading + 2 digits)

Resistance

2000k$ 1k$ %(1.0% reading + 2 digits)

9V 10mV Battery Test

1.5V 10mV

%(1.0% reading + 2 digits)

NOTE: Accuracy specifications consist of two elements:

! (% reading) – This is the accuracy of the measurement circuit.

! (+ digits) – This is the accuracy of the analog to digital converter.

NOTE: Accuracy is stated at 65oF to 83oF (18oC to 28oC) and less than

75% RH.

8

SPECIFICATIONS

Diode Test Test current of 1mA maximum, open circuit

voltage 2.8V DC typical

Continuity Check Audible signal will sound if the resistance is

less than approximately 30$

Battery Test current 9V (6mA); 1.5V (100mA)

Input Impedance >1M!

ACV Bandwidth 45Hz to 450Hz

DCA voltage drop 200mV

Display 3 ½ digit, 2000 count LCD, 0.5” digits

Overrange indication “1” is displayed

Polarity Automatic (no indication for positive polarity);

Minus (-) sign for negative polarity.

Measurement Rate 2 times per second, nominal

Low Battery Indication “BAT” is displayed if battery voltage drops

below operating voltage

Battery one 9 volt (NEDA 1604) battery

Fuses mA, µA ranges; 0.2A/250V fast blow

A range; 10A/250V fast blow

Operating Temperature 41oF to 104oF (5oC to 40oC)

Storage Temperature -4oF to 140oF (-20oC to 60oC)

Operating Humidity Max 80% up to 87ºF (31ºC) decreasing linearly

to 50% at 104ºF (40ºC)

Storage Humidity <80%

Operating Altitude 7000ft. (2000) meters maximum.

Weight 9.17 oz. (260g).

Size 4.78” x 2.38” x 1.57” (121.5mm x 60.6mm x

40mm)

Safety For indoor use and in accordance with

Overvoltage Category II, Pollution Degree 2.

Category II includes local level, appliance,

portable equipment, etc., with transient

overvoltages less than Overvoltage Category III.

9

BATTERY INSTALLATION

WARNING: To avoid electric shock, disconnect the test leads from any

source of voltage before removing the battery door.

1. Disconnect the test leads from the meter.

2. Remove the protective rubber holster (if installed).

3. Open the battery door by loosening the screw using a

Phillips head screwdriver.

4. Insert the battery into battery holder, observing the

correct polarity.

5. Put the battery door back in place. Secure with the

screw.

WARNING: To avoid electric shock, do not operate the meter until the

battery door is in place and fastened securely.

NOTE: If your meter does not work properly, check the fuses and batteries

to make sure that they are still good and that they are properly inserted.

10

OPERATING INSTRUCTIONS

WARNING: Risk of electrocution. High-voltage circuits, both AC and DC,

are very dangerous and should be measured with great care.

1. ALWAYS turn the function switch to the OFF position when the meter is

not in use.

2. If “OL” appears in the display during a measurement, the value exceeds

the range you have selected. Change to a higher range.

NOTE: On some low AC and DC voltage ranges, with the test leads not

connected to a device, the display may show a random, changing reading.

This is normal and is caused by the high-input sensitivity. The reading will

stabilize and give a proper measurement when connected to a circuit.

DC VOLTAGE MEASUREMENTS

CAUTION: Do not measure DC voltages if a motor on the circuit is

being switched ON or OFF. Large voltage surges may occur that can

damage the meter.

1. Set the function switch to the highest V DC

position.

2. Insert the black test lead banana plug into the

negative (COM) jack.

Insert the red test lead banana plug into the

positive (V) jack.

3. 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.

4. Read the voltage in the display. Reset the

function switch to successively lower V DC

positions to obtain a higher resolution reading.

The display will indicate the proper decimal point and value. If the

polarity is reversed, the display will show (-) minus before the value.

11

AC VOLTAGE MEASUREMENTS

WARNING: Risk of Electrocution. The probe tips may not be long

enough to contact the live parts inside some 240V outlets for

appliances because the contacts are recessed deep in the outlets. As

a result, the reading may show 0 volts when the outlet actually has

voltage on it. Make sure the probe tips are touching the metal contacts

inside the outlet before assuming that no voltage is present.

CAUTION: Do not measure AC voltages if a motor on the circuit is

being switched ON or OFF. Large voltage surges may occur that can

damage the meter.

1. Set the function switch to the highest V AC position.

2. Insert the black test lead banana plug into the

negative (COM) jack.

Insert red test lead banana plug into the positive (V)

jack.

3. 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.

4. Read the voltage in the display. Reset the function

switch to successively lower V AC positions to obtain

a higher resolution reading. The display will indicate

the proper decimal point and value.

12

DC CURRENT MEASUREMENTS

CAUTION: Do not make current measurements on the 10A scale 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 200mA DC, set the

function switch to the highest DC mA position and

insert the red test lead banana plug into the (mA) jack.

3. For current measurements up to 10A DC, set the

function switch to the 10A range and insert the red test

lead banana plug into the (10A) jack.

4. Remove power from the circuit under test, then open

up the circuit at the point where you wish to measure

current.

5. 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.

6. Apply power to the circuit.

7. Read the current in the display. For mA DC measurements, reset the

function switch to successively lower mA DC positions to obtain a

higher resolution reading. The display will indicate the proper decimal

point and value.

13

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. Set the function switch to the highest $# position.

2. Insert the black test lead banana plug into the

negative (COM) jack

Insert the red test lead banana plug into the

positive $ jack.

3. Touch the test probe tips across the circuit or

part under test. It is best to disconnect one side

of the part under test so the rest of the circuit will

not interfere with the resistance reading.

4. Read the resistance in the display and then set

the function switch to the lowest $ position that is

greater than the actual or any anticipated resistance. The display will

indicate the proper decimal point and value.

CONTINUITY CHECK

WARNING: To avoid electric shock, never measure continuity on

circuits or wires that have voltage on them.

1. Set the function switch to the position.

2. Insert the black lead banana plug into the

negative (COM) jack

Insert the red test lead banana plug into the

positive ($) jack.

3. Touch the test probe tips to the circuit or wire

you wish to check.

4. If the resistance is less than approximately 30$,

the audible signal will sound. If the circuit is

open, the display will indicate “1”.

14

DIODE TEST

1. Insert the black test lead banana plug into the

negative COM jack and the red test lead banana

plug into the positive diode jack.

2. Turn the rotary switch to the / •))) position.

3. Touch the test probes to the diode under test.

Forward voltage will indicate 400 to 700mV.

Reverse voltage will indicate “I”. Shorted devices

will indicate near 0mV. Shorted devices will

indicate near 0mV and an open device will

indicate “I” in both polarities.

BATTERY TEST

1. Insert the black test lead banana plug into the negative COM jack and

the red test lead banana plug into the positive V jack.

2. Select the 1.5V or 9V BAT position using the

function select switch.

3. Connect the red test lead to the positive side of

the 1.5V or 9V battery and the black test lead to

the negative side of the 1.5V or 9V battery.

4. Read the voltage in the display.

Good Weak Bad

9V battery: >8.2V 7.2 to 8.2V <7.2V

1.5V battery: >1.35V 1.22 to 1.35V <1.22V

15

MAINTENANCE

WARNING: To avoid electric shock, disconnect the test leads from any

source of voltage before removing the back cover or the battery or fuse

doors.

WARNING: To avoid electric shock, do not operate your meter until the

battery and fuse doors are in place and fastened securely.

This MultiMeter is designed to provide years of dependable service, if the

following care instructions are performed:

1. KEEP THE METER DRY. If it gets wet, wipe it off.

2. USE AND STORE THE METER IN NORMAL TEMPERATURES.

Temperature extremes can shorten the life of the electronic parts and

distort or melt plastic parts.

3. HANDLE THE METER GENTLY AND CAREFULLY. Dropping it can

damage the electronic parts or the case.

4. KEEP THE METER CLEAN. Wipe the case occasionally with a damp

cloth. DO NOT use chemicals, cleaning solvents, or detergents.

5. USE ONLY FRESH BATTERIES OF THE RECOMMENDED SIZE

AND TYPE. Remove old or weak batteries so they do not leak and

damage the unit.

6. IF THE METER IS TO BE STORED FOR A LONG PERIOD OF TIME,

the batteries should be removed to prevent damage to the unit.

16

REPLACING THE BATTERIES

WARNING: To avoid electric shock, disconnect the test leads from any

source of voltage before removing the battery door.

1. When the batteries become exhausted or drop below the operating

voltage, “BAT” will appear in the right-hand side of the LCD display.

The batteries should be replaced.

2. Follow instructions for installing batteries. See the Battery Installation

section of this manual.

3. Dispose of the old batteries properly.

WARNING: To avoid electric shock, do not operate your meter until the

battery door is in place and fastened securely.

REPLACING THE FUSES

WARNING: To avoid electric shock, disconnect the test leads from any

source of voltage before removing the fuse door.

1. Disconnect the test leads from the meter and any item under test.

2. Remove the protective rubber holster.

3. Open the fuse door by loosening the screw on the door using a Phillips

head screwdriver.

4. Remove the old fuse from its holder by gently pulling it out.

5. Install the new fuse into the holder.

6. Always use a fuse of the proper size and value (0.2A/250V fast blow

for the 200mA range, 10A/250V fast blow for the 10A range).

7. Put the fuse door back in place. Insert the screw and tighten it securely.

WARNING: To avoid electric shock, do not operate your meter until the

fuse door is in place and fastened securely.

UL LISTED

The UL mark does not indicate that this product has been evaluated for the

accuracy of its readings.

17

TROUBLESHOOTING

There may be times when your meter does not operate properly. Here are

some common problems that you may have and some easy solutions to

them.

Meter Does Not Operate:

1. Always read all the instructions in this manual before use.

2. Check to be sure the batteries are properly installed.

3. Check to be sure the batteries are good.

4. If the battery is good and the meter still does not operate, check to be

sure that both ends of the fuse are properly installed.

If You Do Not Understand How the Meter Works:

1. Purchase the instructional book “Multitesters and Their Use for Electrical

Testing” (Item No. 82303) at your local Sears store.

2. Call our Customer Service Line 1-888-326-1006.

SERVICE AND PARTS

Item Number Description

82374 Fuse kit

93894 9V battery

82378 Set of black and red Test Leads

82140-DB Replacement battery door

82140-DF Replacement fuse door

82140-CS Rear cover screws

For replacement parts shipped directly to your home

Call 9 am – 5 pm Eastern Time, M - F

1-888-326-1006

18

CAUTION: Read, understand and follow Safety Rules and Operating

Instructions in this manual before using this product.

FIVE YEAR FULL WARRANTY ON CRAFTSMAN Voltage Detector.

If this CRAFTSMAN Voltage Detector fails to give complete

satisfaction within five years from the date of purchase, RETURN IT

TO THE NEAREST SEARS STORE OR OTHER CRAFTSMAN

OUTLET IN THE UNITED STATES, and Sears will replace it, free of

charge.

If this CRAFTSMAN Voltage Detector is used for commercial or rental

purposes, this warranty applies for 90 days from the date of

purchase.

This warranty gives you specific legal rights, and you may also have

other rights which vary from state to state

Sears, Roebuck and Co., Dept. 817WA, Hoffman Estates, IL 60179

Owner's Manual

Voltage Detector Model No. 82174

© Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.

www.craftsman.com 022205

FIVE YEAR FULL WARRANTY

For Customer Assistance Call 9am-5 PM (EST), Monday through

Friday 1-888-326-1006

19

SAFETY SYMBOLS

This symbol adjacent to another symbol, terminal or

operating device indicates that the operator must refer to

an explanation in the Operating Instructions to avoid

personal injury or damage to the Voltage Detector.

This WARNING symbol indicates a potentially hazardous

situation, which if not avoided, could result in death or

serious injury.

This CAUTION symbol indicates a potentially hazardous

situation, which if not avoided, may result in damage to the

Voltage Detector.

This symbol indicates that a device is protected

throughout by double insulation or reinforced insulation.

UL LISTED

The UL mark does not indicate that this product has been evaluated for the

accuracy of its readings.

WARNING

CAUTION

WARNING: USE EXTREME CAUTION IN THE USE OF THIS

DEVICE. Improper use of this device can result in injury or death.

Follow all safeguards suggested in this manual in addition to the

normal safety precautions used in working with electrical circuits. DO

NOT service this device if you are not qualified to do so.

20

SPECIFICATIONS

Voltage Sensitivity 100 to 240V AC

Frequency 50/60Hz

Detection distance <0.2”

Over voltage Category III 600V

Operating Temperature 32 to 122oF (0 to 50oC)

Storage Temperature -4 to 140oF (-20 to 60oC)

Humidity <85%RH

Altitude <2000 meters (6561 feet)

Battery 2 AAA batteries

Dimensions/Weight 6x0.75x1 inches / 2oz

Safety For indoor use and in accordance with

Overvoltage Category III, Pollution Degree 2.

BATTERY INSTALLATION

6. Open the battery door (end cap) by gently

prying up/out at the pocket clip using a small

screwdriver.

7. Insert two AAA batteries (observe polarity).

8. Replace the battery door.

NOTE: If your meter does not work properly,

check the battery to make sure that it still

good and that it is properly inserted.

E

n

R

f

o

r

e

End cap

Removal

for battery

replacement

21

OPERATING INSTRUCTIONS

AC VOLTAGE DETECTION

To check for the presence of AC electrical voltage in an outlet:

1. Touch the probe tip to a cord plugged into the outlet, or insert the probe

tip into all the outlet holes.

2. If AC electrical voltage is present, the detector light will flash and the

audible warning will sound.

NOTE: Random beeps and flashes due to detection of static charges are

normal. Detection of “live” conductors will produce a steady flash

and beep.

WARNING: Risk of Electrocution. High-voltage circuits, both AC and

DC, are very dangerous and should be measured with great care.

WARNING: Risk of Electrocution. Before using to check for voltage in

an outlet, always test the Voltage Detector on a known live circuit to

verify that the Voltage Detector is working properly.

WARNING: Risk of Electrocution. Keep hands and fingers on the body

of the probe and away from the probe tip

WARNING: To avoid electric shock, do not operate the meter until the

battery cover is in place and fastened securely.