Amprobe FS-3 User manual

How

Use

OHMMETER

■

CAUTION

Make

certain

voltage

present

circuit

before

con¬

necting

ohmmeter

circuit.

The

ohmmeter

fused

help

protect

against

misapplication

voltage

but

under

certain

conditions

still

possible

damage

the

meter

and/or

obtain

incorrect

readings.

Insert

both

red

and

black

voltage

leads

into

voltage

receptacles

bottom

instrument.

See

Fig.

Move

rotary

switch

either

two

ohms

range

position.

With

both

leads

far

apart

(not

touching),

pointer

should

line

with

the

division

marked

ohms

scale.

With

test

leads

shorted

touching,

line

pointer

with

“0”

mark

ohms

scale

turning

zero

ad¬

just

knob.

See

Fig.

NOTE:

turning

ohm¬

meter

zero

adjust

knob

does

not

line

pointer

zero

mark

replace

bat¬

tery

and/or

fuse.

(See

page

for

fuse

and

bat¬

tery

information).

ACCESSORIES

Used

with

FS-3,

FS-3C

Description

Model

Fuse

0.5

Amps.8AG-361.5

Battery

-1

“AA”.S915

Immersion

Probe.RBT-11P

Universal

Probe.RBT-12P

Vented

Probe.RBT-13P

Carrying

Case.“L”

Clip

Leads.VL-11S

Replacement

Tips

for

VL-11S.PT

SERVICE

Manufacturing

number

die

stamped

upper

left

hand

corner

the

scale

plate.

For

factory

service,

package

instrument

and

packing

slip

with

sufficient

cushioning

material

shipping

carton;

make

certain

your

name

and

address

also

appear

box

well

packing

slip;

ship

prepaid

via

U.P.S.

(where

available)

Air

Parcel

Post

insured

to:

Service

Division

AMPROBE

INSTRUMENT

630

Merrick

Road

(Use

for

U.P.S.)

P.O.

Box

329

(Use

for

Parcel

Post)

Lynbrook,

11563-0329

Outside

the

U.S.A.

the

local

Amprobe

representative

will

assist

you.

How

Use

THERMOMETER

Move

rotary

switch

Temperature

position

(X100)

and

keep

switch

this

position

for

all

temperature

measurements.

With

both

leads

inserted,

short

leads

together

and

zero

adjust

moving

knob.

this

not

possible

then

change

fuse

battery.

Remove

voltage

leads

and

insert

temperature

probe.

See

Fig.

Use

RBT-11P,

RBT-12P

RBT-13P

depending

medium.

(See

page

for

probe

information).

AMPROBE

INSTRUMENT

UNITED

DOMINION

COMPANY.

LYNBROOK.

NEW

YORK

11563

Part

No.

956750

10/96

OPERATING

INSTRUCTIONS

for

AMPROBE®

Volt

•

Amp

•

Ohm

•

Temperature

FLAT

SCALE

CLAMP-ONS

Model

FS-3

(Fahrenheit

Scale)

and

Model

FS-3C

(Centigrade

Scale)

NOTE:

not

move

zero

adjust

knob

after

initially

zero¬

ing.

knob

turned

will

result

incorrect

temper¬

ature

ohms

readings.

AMPROBE

INSTRUMENT'

UNITED

DOMINION

COMPANY,

LYNBROOK.

NEW

YORK

11563

Pan<a

LIMITED

WARRANTY

general

Congratulations!

You

are

now

the

owner

AMPROBE®

instrument.

has

been

quality

crafted

according

quality

standards

and

contains

quality

components

and

workman¬

ship.

This

instrument

has

been

inspected

for

proper

opera¬

tion

all

its

functions.

has

been

tested

qualified

factory

technicians

according

the

long-established

standards

AMPROBE

INSTRUMENT.

Your

-AMPROBE

instrument

has

limited

warranty

against

defective

materials

and/or

workmanship

for

one

year

from

the

date

purchase

provided

that,

the

opin¬

ion

the

factory,

the

instrument

has

not

been

tampered

with

taken

apart.

Should

your

Instrument

fall

due

defective

materials,

and/or

workmanship

during

the

one-year

warranty

period,

return

along

with

copy

your

dated

bill

sale

which

must

iden¬

tify

instrument

model

number

and

Mfg.

number.

For

your

protection,

please

use

the

instrument

soon

possible.

damaged,

should

the

need

arise

return

your

instrument,

must

securely

wrapped

(to

prevent

damage

transit)

and

sent

prepaid

via

Air

Parcel

Post

in¬

sured

UPS

where

available

to:

Service

Division

AMPROBE

INSTRUMENT

630

Merrick

Road

(For

U.P.S.)

P.O.

Box

329

(For

P.P.)

Lynbrook,

11563-0329

Outside

the

U.S.A.

the

local

Amprobe

representative

will

assist

you.

Above

limited

warranty

covers

repair

and

replacement

instrument

only

and

other

obligation

stated

implied.

PRECAUTIONS

FOR

PERSONAL

AND

INSTRUMENT

SAFETY

IMPORTANT:

Read

these

instructions

thoroughly

and

them

carefully.

many

instances

you

will

working

with

dangerous

levels

voltage

and/or

current,

therefore,

important

you

avoid

direct

contact

with

any

uninsulated,

current-carrying

surfaces.

Appropriate

insulating

gloves

and

clothing

should

worn.

Before

connecting

disconnecting

the

voltmeter

from

the

circuit

tested,

turn

off

all

power

the

circuit.

Before

applying

test

leads

circuit

under

test,

make

certain

that

leads

are

plugged

into

proper

jacks

and

switches

are

set

proper

range

and

function.

Before

using

any

electrical

instruments

tester

for

actual

testing,

the

unit

should

checked

low

energy

high

impedance

source.

not

use

power

distribution

lines

any

other

high

energy

sources.

Make

certain

voltage

present

circuit,

before

connecting

ohmmeter

circuit.

The

jaws

clamp-on

instruments

should

not,

under

any

circumstances,

used

device

hold

hang

the

instrument.

When

using

the

instrument

voltmeter

ohmmeter,

never

clamp

the

jaws

around

conductor

box

anything

else

—

conducting

non-conducting.

Models

FS-3,

FS-3C

are

supplied

with

set

test

leads

(VL-11S)

and

0.5

Amp

fuse.

Temperature

Probes

and

other

accessories

are

available

separately.

The

Flat

Scale

Clamp-Ons

FS-3,

FS-3C

are

capable

measuring

Volts,

Amps,

Ohms

and

Temperature.

turn¬

ing

the

rotary

switch

the

particular

area,

any

one

these

functions

can

selected.

separate

attachment

necessary

for

ohms.

Temperature

measurements

can

easi¬

made

inserting

probe

side

instrument

housing.

Refer

individual

instructions

for

each

function.

The

ohmmeter

the

FS-3,

FS-3C

uses

“AA”

battery

and

0.5

amp

250

volt

fuse.

replace

either

fuse

bat¬

tery

remove

two

screws

back

case,

slide

case

horizon¬

tally

toward

you

and

lift

off.

See

Fig.

Replace

with

cor¬

rect

fuse.

See

page

Observe

proper

polarity

when

replacing

battery.

SPECIFICATIONS

FS-3

FS-3C

Functions:

Volts

AC,

Amps

AC,

Ohms,

Temperature

Ranges:

15,

40,

100,

300

Amps

150,

300,

600

Volts

RX1

and

RX100

Ohms

with

Ohms

midscale

RX1

FS-3

25°

225°

FS-3C

-32°C

107°C

Frequency:

50/60

HZ.

Accuracy:

F.S.

Amps,

Volts

‘

Scale

Length

Ohms,

Temperature

Battery:

“AA”

Fuse:t).5

Amps

250V

Fast

blow

How

Take

CURRENT

READINGS

Make

certain

meter

lock

off

position.

See

Fig.

Meter

free

when

button

pushed

the

far

right.

Make

sure

pointer

reading

zero.

For

greater

ac¬

curacy,

the

pointer

should

set

the

zero

line.

This

done

manually

moving

the

zero

adjust

screw.

See

Fig.

Turn

rotary

switch

highest

current

range

current

measured

unknown.

Press

trigger

open

jaws.

Encircle

conductor

with

transformer

jaws.

Release

trigger

and

sure

that

jaws

properly

before

taking

reading.

reading

below

half

scale,

move

rotary

switch

the

lower

range.

Keep

moving

rotary

switch

lower

ranges

until

pointer

indicating

the

upper

half

the

scale.

How

Take

VOLTAGE

READINGS

IMPORTANT

Read

“PRECAUTIONS

FOR

PERSONAL

AND

INSTRUMENT

SAFETY”

before

using

instrument.

Insert

bayonet

type

voltage

test

leads

into

voltage

receptacles

bottom

instrument.

Push

against

receptacle

spring

and

twist

lock

place.

See

Fig.

Turn

rotary

switch

highest

voltage

range

voltage

measured

unknown.

Connect

one

alligator

clip

one

side

voltage

measured.

Then

with

meter

one

hand

touch

the

other

side

voltage

source

with

other

lead.

reading

below

half

scale

move

rotary

switch

the

lower

range.

Keep

moving

rotary

switch

lower

ranges

until

pointer

indicating

the

upper

half

the

scale.

Paae

Diao

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