Sears 82418, 82413 User Manual

36.RA]\[GE

Printed

in Korea

DIGITAL

Sears Model 82413

MULTIMETER

/

Operator's M4nual

SearsrRoebuck

and

52418

Co.

MULTIMETER

I.

information

this

READ

WARNINGS

CAUTIONS

SAFETY

denote

RULES

1{arning

This tester

However, use. Electrical

lack

of

the

Read

Read this Instruction Voltages and

ment with instructions understand the

use this tester.

has been designed

no design can

ci.rcuits can

caution or

Manual

this test

in this manual

Do not exceed the

poor

currents within

general

Safety Check

check the

Double

making measutements.

before

instruc tions?

Disconnect the tester

changing

switclr is in any

inscrt in correct fuse

switch positions.

Do not

Whcn rcplacing

connect to circuits

ohms or

SAFETY

using thc

before

hazards to

hazards

equipment

fuses use only

notd"j.,,

thc opcrntor'

to the

completely

be dangerous

practices arc

safety

Manual

can be

for every

instructions

switch

setting,

Are

or

current

_

tnctcr

mctcr.

yorrr

with

protcct .il',.rirrst

rtrcl/r,r

carefully rntl

the capabillty

hazartlotts.

meastlrclrlc

beforc

limits

of

and

you

following

off the

turn

voltage

with

position.

specificd

itt trrind.

s.tlclt

trst ti.

rrr(

l.tlr.rl

(,r'tcct

rvltcn

.,rrrplr'tt'ly.

ol trtt.isLtfc-

1,,11,,t'tlrc

l{t .rtl rrttd

lrt

attclrrptirrll

tllc tcstcr,

lcad connections

all of the

power before

present when

fuses

type

and

Don't

Touch

Don't

touch

parts

of

first for

Turn

probes

to it. Be

touch

the

Do

not use

High

Voltage

Always

Be sure

nections

Don't

circuit

while it is

Before

wait for

the

Distribution

tt,

and

In

high

bus bars,

the circuit

high

energy

current

_range,

is

virtually

Special

is

available.

attempting

circuit.

SAFETY

exposed

an electrical

voltage

before

off the power

circuit.

cracked

is

start

with

there

to

the

circuit.

touch

the

disconnecting

meter

Circuits

energy

dangerous

is shorted.

circuit

or

any other

shorted.

equipment

Conract

to

make

rS

No ACCIpENT

wiring,

circuit,

touching

to

sure

there is

or broken

Dangerous

the power

is no

voltage

tester,

on.

the

to return

Pack

circuits

arcs

If

when

designed

qualified

a

measurements

connections

If in

it.

a circuit

no

voltage present

off,

present

its

test leads,

tester,

to

"zero.,,

Punch

a

such

as distribution

of explosive

the

tester

set

to

a 1ow

low

impedance

for

person

doubt,

before

test leads,

before

turn

the

nature

is

connected

resistance

use

with

for

on

or other

check

connectins

or any part

circuit

range,

assistance

any high

the

circuit

beforJ you

making

of

offand

transform.ers

can

occur

across

range,

the

circuit

these

circuits

before

energy

,,live,,

resr

con-

the

if

a

-2-

PROTECTION-UL

2.

Overload

Fully

-

Ot*l..d

overvoltage

is-used

cidance

the varistors

combination

limiter

resistance

Al.o

plus

is

"

fuse

a

Furthermore,

protccted

Frotected

0.16

The

against

tected

the

with

jacks

are

-eventual

stoppers

t"r-in"ls

points found

Operator

pt"tri"

socket

cessed

to

tcction

accidcntal

fusc without

a

blow

(rrt,

in rlre

:rrc

hotected

protection

protection'

which

in other

used

rages.

pair of

provide

against

fast

excellent

the

overvoltages.

Inpuf Socket

in. input

accidental

equipment

sheathed

thus

high voltages.

sufficiently

are

fingers away

to k""p

in actual

Protection

casing

,ASS

safety

and

user.

the

erroneous

or

frts.

,

1244,

is accomplishcd

seclected

a

superior

proved

instrumcnts

protects

input of

500V

switching

protection

the

and

sockets

Test

are

contacts

avoiding

prods

The

safety

give added

from

long

and

boards.

intrinsically

is

leads insure

current

Strong

connection

to

damage

tlo itlstrultt.'nt

3-

VDE

sparkgap

in

DC

cttrrcrrt

high

on

analog

Lrads

fully

The

to

dangerous

supplicd

the

slendcr

insulated'

a

cut-off

to a

operator

the

burn-out)'

O4I1

t;trtllcs

orr rrll

Art ilrrrrslr

or lttrs

to

tcst

barc

large

low

A(l

siltc()rr

ttt

I

'ttrrl

sitrt.

havc.

'Ilr(:

Deeply

degrce

in case

capa-

(

tlrrcnt trrt all

(li()des

rrtrtgcs'

()trvcrtcr

srtpl>licd

lirtgcr

:tny tt:st

of

witlr

pcrlirrtttrtrrcc'than

ttttt

rll

'

ililiitrrl

rcccsse'l

lcarls

tltc usct

corl'rfcti()rrs

cnd'

rcach

to

power

power source,

or equipment

For

pro-

the

l)r'od

pro-

will

3. SPECIFICATIONS

Geneil

oi"pt"y, ZUdigit

LO BAT

Overrange

Maximum Common

Operating

humidity up to 35oC, from35oC.to 5OoC.

Environment:

Storage

Temperature Coefficient

than 0.1

Power:

9V

Battery Life:

hours with alkaline

Battery Indicator:

to

re-

clf

2Mo

Dimensions Weight:

87mm

DC

Voltage

Range

200mV

2V

20v

200v

1000v

LcD. 0.5tt

indication.

Indication: 3 Environment: 0o to

alkaline or

100 hours typical with

of life

least significant digits

Mode

Voltage: 500V

-15oC

X applicable accuracy

(0o

carbon-zinc battery

cells.

Display indiates

remains.

6.7'.'Hx 3.4"'w

X 42mm),

Resolution

13.4

0.1mV

1mV

1OmV

10OmV

1V

with polarity and

height,

50oC;less

less than 70%

to

50oC.

L8oC

to

and

specification

carbon-zinc cells

BAT" when

"LO

1.7t'D (17Omm

x

(3829)

O2

x

(0.25%

peak.

than

relative

28o to

(NEDA

Accuracy

of rdg

blanked.

S}Vorelat\ve

humidity

50oC):

per

1604) 200

Iess than

+

1

less

oC.

X

digit)

Input resistance:

Mode

Normal

Common Overload

10M

ohm on all

Noise Rejection: 46dB at 60Hz

Mode Noise Rejection: 100dB

Protection: 1000V DC

ResponseTime:(1Sec.

qqlsqeq

Range Resolution

zmA

100nA

100pA

Protection

Input:

10A

lp.A

10pA

1mA

10mA

200p4

20mA

200mA

200OmA

10A

Overload

AC Voltage

Range Resolution

200mV

100p.V

2V 1mV

20V 1OmV 200V 100mV on all 750V lV

Convcrsion:

lnput Impedance:

Calibrated for

cxcept

200mV

!(O.5%

!(0.5% !(0.5%

+(0.75%

+(2%rdg+5digits) +(2%rdg+5digits)

mA Input:

Unfused up to

!

(0.5% rdg

+

(l%

10M shunted

trnt"._

or AC

Accuracy

rdg rdg

rdg+

2Al250Y

Acctrracy

ranges

+

ds

rms

of

by 100pF

_

U

ranges.

peak on

+

1 digit)

+

1

digir)

1 digit)

l disit)

rdg+

for 1

15A

+

5 digits)

5 disits)

sine wave

(1KO

60llz

at

fuc.

sccortds.

5

45Hz on all

on all ranges

unbalance)

r:rnges

rll

Max. F.S.

Voltage Drop

0.25

V

0.25

V

0.25 V

0.75 V

0.30 v

Freq Range

500H2

-

ranges

Common Overload Protection:

Resoonse

Mode

unbalance). except 15

Time:

Noise

sec max

1 Sec.

AC Current

Range

200p"4

200mA

2000mA

Overload Protection

Resistance

Resolution

2mA

20mA 10A

10A

100nA

1pA

1OpA

10OpA

lmA

10mA

Input:

unfused up to 15A for

Range Resolution

2004

2KA

20KO

200Ka

2Ms}

20Mo

Max

100mO

ls}

10sl

1000

1KO

10KO

aliowable input:

Rejection:

1000V

x

(0.7

!

(0.7

+

(0.75%

!

(0.75Vo

t

Q%

+

(2%rdg+

mA Input: 24/250V

!

x(0.3% x

!

X

!

500V dc

dc or

above

Accuracy

5% 5% rdg

rae

(0.5% (0.3%

(0.3%

(0.75Vo

(2.5%

60d8,

750V rms

300V on

+

rdg

5 digits)

+

5 digits)

+

rdg

5 digits)

+

rdg

digits)

5

+

digits)

5

digits)

5

Accuracy

+

rdg

3 digits) 2.8 v

rdg+

1

+

rdg

1

+

rdg

1

+

rdg

2 digits)

+

rdg

5 digits)

rms.

or

-6-

5OHZ

-

ac continuous,

200mV

fuse

15

sec.

digit) digit) 500

(1kS,

60HZ

range,

Max. F.S.

Voltage Drop

0.25V rms

0.25V

rms

0.25V

rms

0.75V rms

0.30V rms

Max,

Open

Circuit V

2,8v

mV

digit) 500 mV

mV

500

mV

500