Fluke 80K-6 User manual

CAUTION

avoid

probe

damage

after

repair,

measure

and,

necessary,

adjust

the

outside

distance

between

the

ring

and

the

probe

coupling

the

internal

assembly

before

reassembling

the

probe.

The

distance

must

4.90+0.02

inches.

Make

the

adjustment

using

the

soider

connection

the

rear

the

metal

probe

coupling.

REPLACEABLE

PARTS

DESCRIPTION

Tip,

High

Voltage

Body,

Probe

Coupling,

Probe

Divider,

High

Voltage

Sleeve

Bus

Wire,

Probe

Instruction

Sheet

Decal

Alligator

Clip

Boot

FLUKE

PART

NO.

536946

580621

536961

632091

580605

617290

613224

587063

306753

217703

order

repleacement

parts,

call

1-800-526-4731.

Outside

U.S.A.

contact

your

nearest

service

center.

WARRANTY

ONE

YEAR

LIMITED

WARRANTY

Instruction

Sheet

80K-6

High

Voltage

Probe

DESCRIPTION

The

80K-6

high

voltage

probe

designed

extend

the

voltage

measuring

capability

ac/dc

voltmeter

to6QW^o^

1000:1

voltage

divider

provides

the

prolje

with

high

input

impedance.

The

divider

also

provides

high

accuracy

when

used

with

voltmeter

having

megohm

input

impedance.

molded

plastic

body

houses

the

divider

and

protects

the

user

from

the

voltage

being

measured.

John

Fluke

Mfg.

Co.,

(Fluke)

warrants

your

accessory

tree

from

detects

material

and

workmanship

under

normal

use

and

service

tor

year

from

the

date

purchase

you

are

the

original

purchaser.

The

warranty

does

not

apply

batteries

fuses

when

the

accessory

has

been

misused,

altered,

damaged

accident

abnormal

conditions

operation.

For

warranty

service,

send

the

accessory

with

description

the

dittlculty,

postage

prepaid

Fluke

Service

Center.

Fluke

assumes

risk

tor

damage

transit.

Fluke

will,

our

option,

repair

replace

the

detective

instrument

tree

charge.

However,

determine

that

the

failure

was

caused

misuse,

alteration,

accident,

abnormal

condition

operation,

you

will

billed

tor

the

repair.

The

repaired

accessory

will

returned,

transportation

prepaid.

FLUKE

MAKES

WARRANTY

OTHER

THAN

THE

LIMITED

WARRANTY

STATED

ABOVE.

ALL

WARRANTIES,

INCLUDING

IMPLIED

WARRANTIES

MERCHANTABILITY

FITNESS

FOR

ANY

PARTICULAR

PURPOSE,

ARE

LIMITED

PERIOD

YEAR

FROM

THE

DATE

PURCHASE.

FLUKE

SHALL

NOT

LIABLE

FOR

ANY

SPECIAL,

INCIDENTAL,

CONSEQUENTIAL

DAMAGES,

WHETHER

CONTRACT,

TORT,

OTHERWISE.

NOTE

(USA

only):

Some

states

not

allow

limitation

implied

warranties,

the

exclusion

Incidental

consequential

damages,

the

above

limitations

exclusions

may

not

apply

you.

This

warranty

gives

you

specific

legal

rights,

and

you

may

have

other

rights,

which

vary

from

state

state.

For

application

operation

assistance

Information

Fluke

products,

call:

800-443-5853

U.S.A.

and

Canada

206-356-5500

from

other

countries

John

Fluke

Mtg.

Co.,

Inc

P.O.

Box

9090

Everett

98206-9090

Philips

International

B.V.

lit

Dept.,

Building

TGIII-4

5600

Eindhoven,

The

Netherlands

SPECIFICATIONS

The

80K-6

will

achieve

rated

accuracy

when

used

with

ac/dc

voltmeter

having

0.25%

accuracy,

better,

and

input

impedance

megohms

±10%.

Specifications

for

the

probe

are

follows:

*Voltage

Range

kV,

peak

Input

Impedance

....

megohms

nominal

Division

Ratio

1000:1

Accuracy

500

±1%

500

Hztol

kHz

...

±2%

Above

kHz

Output

reading

falls.

Typically,

-30%

kHz.

This

probe

intended

for

low

energy

applications

secondary

circuits.

may

used

other

circuits

where

the

transient

overvoltage

due

lightning

load

switching

limited

peak.

Above

2000

meters

altitude,

and

5000

meters,

derate

working

voltage

from

peak

4.3

peak,

and

derate

the

transient

overvoltage

from

peak

11.4

peak.

Transient

overvoltage

refers

micro-second

duration

impulses

caused

lightning

load

switch

ing.

See

International

Electrotechnical

Commission

Publication

664-1980,

clause

3.9

Table

II,

and

Appendix

P/N

613224

April

1981

Rev.

5/90

®1990,

John

Fluke

Mfg.

Co.,

Inc.

All

rights

reserved.

LItho

U.S.A.

MEASUREMENT

CONSIDERATIONS

Before

attempting

use

the

80K-6,

the

following

paragraphs

should

read

and

understood.

Particular

attention

should

given

Operator

Safety.

Operator

Safety

Indicates

the

operator

must

refer

explanation

this

manual.

Indicates

terminals

which

dangerous

volt

ages

may

exist.

WARNING

AVOID

DAMAGE

ELECTRIC

SHOCK,

USE

WITHIN

RATINGS

AND

UNDER

DRY

(NO

CONDENSATION)

CONDITIONS.

avoid

electrical

shock,

the

80K-6

user

should

familiar

with,

and

exercise,

all

possible

high-voltage

safety

practices.

When

handling

the

probe

the

following

additional

cautions

must

taken:

WARNING

•

When

making

measurement,

never

make

body

contact

with

the

probe

tip

the

red

portion

the

probe.

Always

hold

the

probe

its

black

handle.

•

Before

making

measurement,

make

sure

that

the

ground

side

the

output

connector

connected

the

voltmeter's

common

terminal.

•

The

clip

lead

intended

grounded.

avoid

electrical

shock,

attach

the

ground

ing

clip

potentials

below

30V

AC,

volts

peak,

60V

DC.

Voltmeter

Compatibility

The

80K-6

compatible

with

any

voltmeter

that

has

input

impedance

megohms

±10%.

Voltmeters

with

higher

input

impedances

require

the

use

external

shunt

obtain

accurate

measurement.

Use

the

following

formula

determine

the

value

external

shunt

resistor:

Rs=

Where:

Rs=

Shunt

Resistance

Megohms

Rm=

Voltmeter

Input

Impedance

Megohms

(>10

megohms)

Circuit

The

80K-6

represents

load

approximately

megohms

the

circuit

being

measured

(13

/aA

per

kV).

See

Figure

accurately

determine

the

load

resistance,

measure

the

resistance

the

80K-6

its

voltmeter

connector

and

multiply

the

measured

value

1000.

80K-6

PROBE

TIP

-VSAr-

75M

VOLTMETER

75k

:iOM

GROUND

LEAD

Figure

80K-6

Schematic

Diagram

OPERATION

Use

the

following

procedure

operate

the

80K-6:

Connect

the

probe

cable

compatible

voltmeter.

(Refer

the

WARNINGS

above.)

Use

shunt

resistor

required.

Select

appropriate

voltage

range

volt

reading

per

1000

volt

probe

input).

Connect

the

ground

lead

the

probe

ground.

See

Operator

Safety.

Connect

the

probe

tip

the

circuit

being

measured

and

observe

the

voltmeter

reading.

MAINTENANCE

Performance

Test

Verify

the

probe

accuracy

measuring

±0.25%

voltage

source.

When

used

with

compatible

voltmeter,

the

probe

should

accurately

measure

the

source

voltage

within

±1%.

calibration

adjustments

are

provided

the

probe.

Cleaning

Use

soft

cloth

dampened

with

distilled

water

clean

the

80K-6.

Never

use

solvents

abrasive

cleaners.

Disassembly

Use

the

following

procedure

disassemble

the

probe:

Unscrew

the

black

handle

from

the

probe,

and

slide

the

handle

onto

the

cable.

Unscrew

the

metal

tip

one

turn,

and

push

the

tip

until

the

internal

assembly

snaps

free

the

housing.

Remove

the

tip.

Withdraw

the

internal

assembly

from

the

probe

pulling

the

metal

ring

over

the

threads

the

probe

body.

Logically

reverse

this

procedure

reassemble

the

probe.

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