Keithley 169 Manuale utente

(Zif^

KEITH

LEY

Model

169

Digital

Multimeter

Instruction

Manual

Contains

Operating

and

Servicing

Information

Publication

Date:

February

1989

Document

Number:

30181

Rev.

WARRANTY

Keithley

Instruments,

Inc.

warrants

this

product

free

from

defects

material

and

workmanship

for

period

year

from

date

shipment.

Keithley

Instruments,

Inc.

warrants

the

following

items

for

days

from

the

date

shipment;

probes,

bles,

rechargeable

batteries,

diskettes,

and

documentation.

During

the

warranty

period,

will,

our

option,

either

repair

replace

any

product

that

proves

defective.

exercise

this

warranty,

write

call

your

local

Keithley

representative,

contact

Keithley

headquarters

Cleveland,

Ohio.

You

will

given

prompt

assistance

and

return

instructions.

Send

the

product,

trans

portation

prepaid,

the

indicated

service

facility.

Repairs

will

made

and

the

product

returned,

trans

portation

prepaid.

Repaired

replaced

products

are

warranted

for

the

balance

the

original

warranty

period,

least

days.

LIMITATION

WARRANTY

This

warranty

does

not

apply

defects

resulting

from

product

modification

without

Keithley's

express

written

consent,

misuse

any

product

part.

This

warranty

also

does

not

apply

fuses,

software,

non-

rechargeable

batteries,

damage

from

battery

leakage,

problems

arising

from

normal

wear

failure

instructions.

THIS

WARRANTY

LIEU

ALL

OTHER

WARRANTIES,

EXPRESSED

IMPLIED,

INCLUDING

ANY

IMPLIED

WARRANTY

MERCHANTABILITY

FITNESS

FOR

PARTICULAR

USE.

THE

REMEDIES

PROVIDED

HEREIN

ARE

BUYER'S

SOLE

AND

EXCLUSIVE

REMEDIES.

NEITHER

KEITHLEY

INSTRUMENTS,

INC.

NOR

ANY

ITS

EMPLOYEES

SHALL

LIABLE

FOR

ANY

DIRECT,

INDIRECT,

SPECIAL,

INCIDENTAL

CONSEQUENTIAL

DAMAGES

ARISING

OUT

THE

USE

ITS

INSTRUMENTS

AND

SOFTWARE

EVEN

KEITHLEY

INSTRUMENTS,

INC.,

HAS

BEEN

ADVISED

ADVANCE

THE

POSSIBILITY

SUCH

DAMAGES.

SUCH

EXCLUDED

DAM

AGES

SHALL

INCLUDE,

BUT

ARE

NOT

LIMITED

TO:

COSTS

REMOVAL

AND

INSTALLATION,

LOSSES

SUSTAINED

THE

RESULT

INJURY

ANY

PERSON,

DAMAGE

PROPERTY.

KEITHLEY

Keithley

Instruments

Division

Keithley

Instruments,

Inc.

28775

Aurora

Road

Cleveland,

Ohio

44139

(216)

248-0400

Telex:

98-5469

Telefax:

(216)

248-6168

WEST

GERMANY:

Keilhley

Instruments

GmbH

Heiglhofstr.

Munchen

089-71002-0

Telex:

52-12160

Telefax:

089-7100259

GREAT

BRITAIN:

Keithley

Instruments,

Ltd.

Boulton

Road

Reading,

Berkshire

ONL

0734-861287

Telex:

847

047

Telefax:

0734-863665

FRANCE:

Keithley

Instruments

SARL

Allee

des

Garays

B.P.

91124

Palaiseau

Z.I.

1-6-0115

155

Telex:

600

933

Telefax-

1-6-0117726

Instruments

Avelingen

West

4202

Gorinchem

P.O.

Box

559

4200

Gorinchem

01830-35333

Telex:

684

Telefax:

01830-30821

S>WI

ZhKLAND:

Keithley

Instruments

Knesbachstr.

8600

Dubendorf

01-821-9444

Telex:

828

472

Telefax:

0222-315366

AUSTRIA

Keithley

Instruments

GesmbH

Rosenhugelstrasse

A-1120

Vienna

(0222)

Telex:

131677

Telefax:

(0222)

ITALY:

Keithley

Instruments

SRL

Viale

Gimignano

4/A

20146

Milano

02-4120360

02-4156540

Telefax:

02-4121249

KEITH

LEY

INSTRUMENTS

Model

169

Digital

Multimeter

Addendum

INTRODUCTION

This

addendum

the

Model

169

Digital

Multimeter

Instruction

Manual

being

provided

order

supply

you

with

the

latest

information

the

least

possible

time.

Please

incorporate

this

information

into

the

manual

immediately.

Page

7-0;

Replace

Table

7-1

with

the

following:

Table

7-1.

Model

1699

Parts

List

Quantity

Kelthley

P/N

Schematic

Designation

DZ-62*

VR101

FU-13

F101

(3AG)

FU-48

F101

(5mm

20mm)

IC-102*

U103

IC-226*

U104,

U105

IC-227

U101

IC-228*

U106

LSI-122*

U102

R277-9M

R113

RF-28

CR101

thru

GR104

RF-34

CR106,CR107

RF-39

GR105

RT-5

RT-101

TG-47

Q102

*Anti-Static

Protection

and

Handling

required.

Refer

the

Model

169

Instruction

Manual

for

Special

Procedures

for

Static-Sensitive

Devices.

30181-E-1

6-90

KEITH

LEY

INSTRUMENTS

Model

1766

Battery

Ellmlnator

The

Model

1766

Battery

Eliminator

permits

the

user

operate

the

176

and

169

from

line

power.

Eliminator

provides

the

necessary

voltage

operate

the

176

and

169.

The

Eliminator

precludes

the

use

the

battery

pack.

Installation

the

Model

1766

described

the

following

steps.

NOTE

The

following

procedure

intended

for

qualified

electronic

maintenance

personnel

only.

SAFETY

SYMBOLS

AND

TERMS

The

symbol

the

instnunent

denotes

that

the

user

should

refer

the

operating

instructions.

this

case

refer

the

packing

list.

The

symbol

the

instrument

denotes

that

lOOOV

may

present

the

terminal(s).

The

WARNING

used

this

packing

list

explains

dangers

that

could

result

personal

injury

death.

The

CAUTION

this

packing

list

explains

hazards

that

could

damage

the

instrument.

WARNING

prevent

shock

hazards,

all

test

leads

should

removed

from

the

INPUT

terminals

before

removing

the

top

cover.

Also,

unplug

the

Model

1766

when

installing

servicing

it.

Remove

the

top

cover

the

Model

176

169

removing

the

slotted

screws

that

are

the

bottom

cover.

the

battery

pack

installed,

remove

it.

Remove

the

existing

spacers

that

are

supporting

the

battery

pack.

previously

mentioned,

the

use

the

Model

1766

precludes

the

use

the

battery

pack.

Put

the

Model

1766

place

the

battery

pack.

The

1766

fits

the

posts

the

rear

the

bottom

case

(shown

Figure

1).

Cut

out

the

specified

section

the

rear

label

which

shown

Figure

Place

the

Hne

cord

with

the

taining

clip

into

the

opening

and

secure.

installation

the

Model

1766

for

earlier

169

retrofit,

rear

panel

label

will

need

placed

over

the

existing

label.

There

space

cut

out

the

new

label

where

the

serial

number

can

show

through.

Cut

through

both

labels

where

the

line

cord

fit

through

with

the

retaining

clip.

Refer

Figure

Connect

the

Model

1766

the

Models

176

169

shown

Figure

Now

reinstall

the

top

cover.

Plug

the

Model

176

into

the

line

power.

The

Model

1766

capable

working

properly

from

the

line

voltages

105V

250V

50Hz

60Hz.

The

maximum

power

drain

lOVA.

PA-127Rev.

C/7-90

Retaining

Clip

Supplied

Spacers

Model

1766

Battery

Eliminator

Retaining

Ciip

goes

here.

Figure

LINE

OPERATED

MODEL

LINE

RATING:

«0Ht.

lOS

2S0V.

lOVI

■«!

INTERNAL

LINE

FUSE:

l/JJ*

SlOW

OLOW

EXTERNAL

CURRENT

FUSE:

■•■HOI

ll#»

CAUTION

Keithley

ln»trun>e\ti.

Inc.

STANDARD

MODEL

BATTERIES:

I.SV

CEllS

>1001

EXTERNAL

CURRENT

FUSE:

■OIHOl

ilOW

SEE

MANUAL

FOR

OPERATING

INSTRUCTIONS

MODEL

176

OMM

S/N

Cut

out

retaining

clip

and

Line

Cord

can

come

through.

Figure

PA-127Rev.

C/7-90

Dl786o<E,.

ZONE

LTR.

ECO

NO.

REVISION

DATE

HI62

CR203.'>.IV

WAS

Cfi202.9.IV

(JQ^

-20-90

PI005

CR20Z

R202

lAAAA

CR20I

-1-C20I

470

35V

:_PI006

JI006

^PI004

4PI004

NOT

SCALK

TMI8

ORAWtslO

Clevaland.

OMo

44t39

FRAC

st1/«4

SURFACE

MAX.

OATE(g-//-^<0

SCALE

—'

PjO-

'Ml/

uss.

MOOCL

ASSEMBt-Y

QTV.

SCHEMATIC.

PC-569

BATTERY

ELIMINATOR

■^"^QA-C

KEITH

LEY

INSTRUMENTS

Keithley

Instruments,

Inc.

28775

Aurora

Road

Cleveland,

Ohio

44139

(216)

248-0400

Telex:

98-5469

Telefax:

248-6168

Certificate

Calibration

Model—(.

(j>

Serial

No.

SoiS6?

Date

7-/;-9i

This

notification

serves

certify

that

the

unit

described

above

has

been

inspected

and

tested

accordance

with

specifications

published

Keithley

Instruments,

Inc.

The

accuracy

and

calibration

this

instrument

are

traceable

the

National

Institute

Standards

and

Technology

through

equipment

which

cali

brated

planned

intervals

comparison

certified

standards

maintained

the

laboratories

Keithley

Instruments,

Inc.

Calibration

this

instrument

was

performed

the

NIST

realization

the

new

1990

representation

the

volt

and

ohm.

The

reference

standards

which

support

this

calibration

are

calibrated

schedule

maintain

required

accuracy

level.

Apphcable

NIST

Test

Report

numbers

are

listed

below:

Voltage:

238386

Voltage:

238764

Resistance:

728/246592

Temperature:

246568

Capacitance:

246592

Edward

Kifer

Quality

Assurance

ager

PA-214

Rev.

instruction

Manual

Model

169

Digital

Multimeter

Keithley

Instruments,

Inc.

Cleveland,

Ohio,

U.S.A

Document

Number

30181

TABLE

CONTENTS

SECTION

GENERAL

INFORMATION

1-1

1-1.

INTRODUCTION

1-1

1-3.

FEATURES

1-1

1-5.

WARRANTY

INFORMATION

1-2

1-7.

CHANGE

NOTICES

1-2

1-9.

SAFETY

SYMBOLS

1-2

1-11.

SPECIFICATIONS

1-2

OPERATION

2-1

2-1.

INTRODUCTION

2-1

2-3.

UNPACKING

AND

INSPECTION

2-1

2-5.

PREPARATION

FOR

USE

2-1

2-6.

Installation

Batteries,

required

2-1

2-7.

CONTROLS,

INDICATORS

AND

CONNECTORS

2-1

2-8.

Display

2-1

2-10.

Front

Panel

Switches

2-2

2-12.

Input

Connections

2-2

2-14.

Tilt

Bail/Handle

2-4

2-16.

INITIAL

FUNCTIONAL

CHECK

2-4

2-18.

OPERATING

INSTRUCTIONS

2-4

2-20.

VOLTAGE

MEASUREMENT

2-5

2-22.

VOLTAGE

MEASUREMENT

2-5

2-24.

CURRENT

MEASUREMENT

2-5

2-26.

RESISTANCE

(ft)

MEASUREMENT

2-6

PERFORMANCE

VERIFICATION

3-1

3-1.

GENERAL

3-1

3-3.

RECOMMENDED

TEST

EQUIPMENT

3-1

3-5.

ENVIRONMENTAL

CONDITIONS

3-1

3-7.

PERFORMANCE

VERIFICATION

PROCEDURE

3-1

3-9.

Initial

Conditions

3-2

3-11.

Volts

Checkout

3-2

3-12.

Volts

Checkout

3-2

3-13.

Resistance

Checkout

3-3

3-14.

Current

Checkout

3-3

3-15.

ANALYSIS

3-3

ACCESSORIES

4-1

4-1.

GENERAL

4-1

4-3.

MODEL

1600

HIGH

VOLTAGE

PROBE

4-1

4-5.

MODEL

1651

50-AMPERE

SHUNT

4-1

4-7.

MODEL

1681

CLIP-ON

TEST

LEAD

SET

4-1

4-9.

MODEL

1682

PROBE

4-1

4-11.

MODEL

1683

UNIVERSAL

TEST

LEAD

KIT

4-2

4-13.

MODEL

1684

CARRYING

CASE

4-2

4-15.

MODEL

1685

CLAMP-ON

CURRENT

PROBE

4-2

4-17.

MODEL

1691

GENERAL

PURPOSE

TEST

LEAD

SET

4-2

4-19.

MODEL

1699

SPARE

PARTS

KIT

4-2

4-21.

MODELS

1010

and

1017

RACK

MOUNTING

KITS

4-2

THEORY

OPERATION

5-1.

GENERAL

5-3.

OVERALL

OPERATION

5-1

5-6.

SIGNAL

CONDITIONING

5-1

5-7.

AC/DC

Voltage

Measurements

5-1

5-10.

AC/DC

Current

Measurements

5-1

5-12.

Resistance

Measurements

5-2

5-14.

A/D

CONVERTER

TABLE

CONTENTS

(Cont'd)

SECTION

PM.

5-16.

DISPLAY

CIRCUITS

5-2

5-18.

REFERENCE

SOURCE

5-3

5-20.

LOW

BATTERY

DETECTOR

5-3

5-22.

INPUT

PROTECTION

5-3

5-24.

Voltage

Protection

5-3

5-27.

Current

Protection

5-3

5-29.

Ohms

Protection

5-3

MAINTENANCE

6-1

6-1.

GENERAL

6-1

6-3.

CALIBRATION

6-1

6-5.

Recommended

Calibration

Equipment

6-1

6-7.

Environmental

Conditions

6-1

6-9.

Case

Cover

Removal

6-1

6-11.

Calibration

Adjustment

6-1

6-14.

TROUBLESHOOTING

6-2

6-16.

Special

Handling

Static

Sensitive

Devices

6-2

6-18.

Power

Supply

6-3

6-20.

A/D

Converter

and

Display

Driver

6-3

6-22.

Converter

6-3

6-24.

Voltage

Divider,

Reference

Source

and

Ohms

Circuit

6-3

6-26.

Current

Circuitry

6-3

6-31.

LIQUID

CRYSTAL

DISPLAY

REPLACEMENT

6-4

6-33.

BATTERY

REPLACEMENT

6-9

6-35.

CURRENT

FUSE

REPLACEMENT

6-9

REPLACEABLE

PARTS

7-0

7-1.

GENERAL

7-0

7-3.

ORDERING

INFORMATION

7-0

7-5.

FACTORY

SERVICE

7-0

7-7.

SCHEMATIC

7-0

7-9.

COMPONENTS

LAYOUT

7-0

7-11.

MODEL

1699

SPARE

PARTS

KIT

7-0

ILLUSTRATIONS

FIGURE

TITLE

1-1

Model

169

1-1

2-1

Installation

Batteries

2-0

2-2

Model

169

Front

Panel

Display

2-0

2-3

Operating

Controls

2-3

4-1

High

Voltage

Probe

and

Probe

4-2

Current

Probe

and

Current

Shunt

4-3

Convenience

Cable

and

Connectors

4-3

4-4

Carrying

Case

and

Rack

Mounting

Kits

4-4

5-1

Model

169

DMM

Overall

Signal

Flow

Block

Diagram

5-5

5-2

Simplified

AC/DC

Voltage

Measurement

5-6

5-3

Simplified

AC/DC

Current

Measurement

5-7

5-4

Simplified

Resistance

Measurement

5-8

6-1

Calibration

Adjustment

Location

6-2

LCD

Assembly

6-4

6-3

Integrator

Waveform

6-6

6-4

AC/DC

Converter

Waveform

6-7

6-5

Current

Fuse

Removal/Repl

acement

6-9

7-1

Covers

and

Panels

7-4

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