HP 4440B Manuale utente

44408

DECADE

CAPACITOR

4440B

CERTIFICATION

The

Hewlett-Packard

Company

certifies

that

this

instrument

was

thoroughly

tested

and

inspected

and

found

meet

its

published

specifications

when

was

shipped

from

the

factory.

The

Hewlett-

Packard

Company

further

certifies

that

its

calibration

measure-

ments

are

traceable

the

U.S.

National

Bureau

Standards

the

extent

allowed

the

Bureaw's

calibration

facility.

WARRANTY

AND

ASSISTANCE

All

Hewlett-Packard

products

are

warranted

against

defects

materials

and

workmanship.

This

warranty

applies

for

one

year

from

the

date

delivery,

or,

the

case

certain

major

compo-

nents

listed

the

operating

manual,

for

the

specified

period.

will

repair

replace

products

which

prove

defective

during

the

warranty

period

provided

they

are

returned

Hewlett-

Packard.

other

warranty

expressed

implied.

are

not

liable

for

consequential

damages.

Service

contracts

customer

assistance

agreements

are

available

for

Hewlett-Packard

products

that

require

maintenance

and

re-

pair

on-site.

For

any

assistance,

contact

your

nearest

Hewlett-Packard

Sales

and

Service

Office.

Addresses

are

provided

the

back

this

manual.

OPERATING

AND

SERVICE

MANUAL

Part

No.

04440-90003

MODEL

4440B

DECADE

CAPACITOR

SERIALS

PREFIXED:

1224)

and

above

See

Section

for

Other

Serial

Prefixes.

YOKOGAWA-HEWLETT-PACKARD,

LTD.,

1969

9-1,

TAKAKURA-CHO,

HACHIOJI-SHI,

TOKYO.

JAPAN

Printed:

MAR.

1980

Ú;

HEWLETT

PACKARD

Table

Contents

List

Tables

TABLE

CONTENTS

Section

Title

Page

GENERAL

INFORMATION

...u

cece

tnn

1-1

lütroduction

Z<,

poste

ла

pert

pata

халан

1-4

Specifications

1-6.

Instrument

Identification

às

1-8

Машай

Changes.

замаг

san

dike

ren

bot

Ste

INSTALLATION

2-1

Tntroduction.

үг

гээ

aussen

2-3.

Unpacking

and

Inspection.......

2-5

Storage

and

Shipment

............

2-8

Installatlon.

iiss

zur

кыздык,

BES

EBS

DEE

S's

OPERATION

3-1

Intröduetion.

¿a

mora

3-3.

Controls

and

Connectors

MAINTENANCE.

4-1

Introduction........

4-1

4-3

Test

Equipment

...........

4-1

4-5

In-Cabinet

Performance

Сһеск..........................

4-1

4-10;

.Adjüslmenb

>=:

среза

pass

4-2

4-13.

Vernier

Adjustment

4-2

4-14.

Fourth

Decade

Adjustment

.........ooooooooomoooo»..

4-2

Third

Decade

Adjustment

...2;..

sci

cesses

Кай

=>:

4-4

4-17.

Troubleshooting

5...

anne

eee

nen

4-4

5-1

6-1

6-1.

OPLIONS

¿yy

seb

Sara

6-1

6-3.

Special

Instruments

2270

6-1

6-5

Manual

Changes

«s

«a

5:4

enia

mir

наныя

6-1

VII

CIRCUIT

DIAGRAMS............--..--

7-1

Introduction...

71-3,

General

Notes:

u...

эсээ

ada

LIST

TABLES

Number

Title

Page

1-1.

Specifications

4-1

Test

Equipment

Required...

sci.

ete

ous

eae

wee хэн

4-2

Capacitance

Check..

4-3.

Composition

the lst

Decade

4-4,

Composition

the

2nd

Decade

...

4-5

4-6

Composition

the

3rd

Decade

..........................

Composition

the

4th

Decade

..........................

5-1.

List

Reference

Designators

and

Abbreviations..........

5-1

5-2.

Reference

Designation

Index

............................

5-2

6-1.

Backdating

Changes.

ows

apsu

cu.

«из

жаа

cee

язы

nur

жаз

6-1

Model

4440B

4440B-1

Model

4440B

List

Illustrations

LIST

ILLUSTRATIONS

Number

Title

Page

1-1.

Model

4440B

Decade

Capacitor.......

ба

жов

жазаса

wayk

1-0

3-1.

Front

Panel

Controls

and

Connectors

....................

3-1

8-2:

Operating

Procedüre

¿ss

lioe

seg

Hele

44:34

3-2

4-1

Measüriüe

Cable.

same

гд

228

sur

ал

ай

рдЕ

4-0

4-2

Testing

Plate...........

" "

4-0

4-3,

Performance

Test56tup.

c...

sara

oye

sam

4-1

4-4

1615-A

Capacitance

Bridge

Setting

...

hx,

loui

aee

xev

4-2

4-5

Parts

БООХНОН

«саах

uer

erg.

Мөр лав

pas

БаРЬИН

4-5

7-1.

Schematic

Diagram

Notes,

cocos

sae

жул

бу

ana

7-2

7-2.

Model

4440B

Schematic

Diagram

........................

7-3

4440B-1

iti

Section

Table

1-1

and

Figure

1-1

Table

1-1.

Model

4440B

Specifications

—

Capacitance:

40pF

2LF

steps

100pF

with

40pF

140pF

variable

air

capacitor

providing

continu-

ous

adjustment

better

than

2pF

between

steps.

Dielectric:

Silvered

mica

for

decade

steps.

Direct

Reading

Accuracy:

+(0.

25%

+3pF)

1kHz

for

three-terminal

con-

nection:

capacitance

increase

for

two-terminal

connection

less

than

1pF

(nominal

5pF).

Temperature

Coefficient:

-0

+70

ppm/*

Dissipation

Factor:

0.001

max

1kHz

above

1040pF.

*0.

005

max

1kHz

below

1040pF.

For

lowest

decade

only.

Resonant

Frequency:

Typical

values

the

resonant

frequency

are:

450kHz

1uF,

4MHz

01uF,

and

MHz

100pF.

Insulation

Resistance:

10?

ohms

minimum,

after

minutes

500Vdc.

Maximum

Voltage:

500V

peak

Operating

Temperature:

ОС

65°C

Weight:

Approximately

5.5

lb.

(2.

5kg)

Dimensions:

4440B

DECADE

CAPACITOR

40р!

HEWLETT

PACKARD

Loe

Figure

1-1,

Model

4440B

Decade

Capacitor

4440B-2

Model

4440B

Section

Paragraphs

1-1

1-9

SECTION

GENERAL

INFORMATION

1-1.

INTRODUCTION

1-2.

The

4440B

Decade

Capacitor

high-

accuracy

instrument

providing

usable

capacitances

from

40pF

1.25F.

150.

25%

accuracy

makes

ideal

aid

circuit

design,

bridge

measurements,

and

any

application

where

accuracy

critical,

such

working

standard.

The

4440B

also

ideally

suited

for

production

line

testing.

1-3.

The4440B

offers

simplicity

operation

combin-

ing

four

easy-to-read

decade

ranges

lightweight,

compact

package

designed

for

operator

convenience

and

speed.

The

use

silvered-mica

capacitors

all

decade

steps

providesfor

high

accuracy,

low

dis-

sipation

factor,

and

good

temperature

coefficient.

air

capacitor

vernier

provides

100pF

additional

capacitance

with

2pF

resolution

between

the

100pF

steps

the

smallest

decade.

The

capacitors

are

housed

double

shield,

such

that

the

increased

capacitance

from

three-terminal

connection

two-

terminal

connection

held

ipF.

1-4.

SPECIFICATIONS

1-5.

complete

list

specifications

found

Table

1-1.

4440B-1

1-6.

INSTRUMENT

IDENTIFICATION

1-7.

Hewlett-Packard

uses

two-

section

eight-digit

Serial

numberto

identify

instrument.

The

first

three

digits

(preceding

the

dash)

are

the

serial

prefix

which

identifies

series

instruments;

the

last

five

digits

identify

particular

instrument

the

series.

The

serial

number

appears

plate

located

the

rear

panel.

All

correspondence

with

Hewlett

Packard

Sales/Service

Offices

with

regard

instrument

Should

reference

the

complete

serial

number.

1-8.

MANUAL

CHANGES

1-9.

This

manual

provides

operating

and

service

in-

formation

for

the

Model 4440B

Decade

Capacitor.

Information

this

manual

applies

directly

instru-

ments(as

manufactured)

with

serial

numbers

prefixed

the

three

digits

indicated

the

title

page.

the

Serial

prefix

the

instrument

different

from

that

the

title

page,

"Manual

Changes"

sheet

supplied

wil

describe

changes

which

will

adapt

this

manual

provide

correct

coverage.

Technical

correction

(if

any)

this

manual,

due

known

errors

print,

are

called

Errata

and

are

shown

thechange

sheet.

For

information

manual

coverage

any

instrument,

contact

the

nearest

Sales/Service

Office(addresses

are

listed

the

back

this

manual).

1-1

Model 4440B

Section

Paragraphs

2-1

2-11

SECTION

INSTALLATION

2-1.

INTRODUCTION

2-2.

This

section

contains

information

for

unpacking,

inspection,

repacking,

storage,

and

installation

the

Model

4440B.

2-3.

UNPACKING

AND

INSPECTION

2-4,

the

shipping

carton

damaged,

ask

that

the

carrier's

agent be

present

when

the

instrument

un-

packed.

Inspect

the

instrument

for

damage(scratches,

dents,

broken

knobs,

etc.).

the

instrument

isdam-

aged

fails

meet

specifications,

notify

the

carrier

and

the

nearest

Hewlett-Packard

Field

Office

(see

list

back

this

manual).

Retain

the

shipping

carton

and

the

padding

material

for

the

carrier's

inspection.

The

fieldoffice

will

arrange

fortherepairor

replace-

ment

your

instrument

without

waiting

for

the

claim

against

the

carrier

settled.

2-5.

STORAGE

AND

SHIPMENT

2-6.

PACKAGING,

protect

valuable

electronic

equipment

during

storage

shipment

always

use

the

best

packaging

methods

available.

Your

Hewlett-

Packard

field

office

can

provide

packing

material

such

that

used

for

original

factory

packaging.

Contract

packaging

companies

many

cities

can

provide

de-

pendable

custom

packaging

short

notice.

Here

are

few

recommended

packaging

methods:

RUBBERIZED

HAIR.

Cover

painted

surfaces

instrument

with

protective

wrapping

paper.

Pack

instrument

securely

strong

corrugated

container

(350

10754

in.

bursting

test)

with

4440B-1

inch

rubberized

hair

pads

placed

along

all

sur-

faces

the

instrument.

Insert

fillers

between

pads

and

container

ensure

snug

fit.

EXCELSIOR.

Cover

painted

surfacesof

instru-

ment

with

protective

wrapping

paper.

Pack

in-

strument

strong

corrugated

container

(3501b,

in.

bursting

test)

with

layer

excelsior

about

inches

thick

packed

firmly

against

all

surfaces

the

instrument.

2-7.

ENVIRONMENT.

Conditionsduring

storage

and

Shipment

should

normally

limited

follows:

Maximum

altitude,

20,

000

feet.

Minimum

temparature,

-40°

(-40°C).

Maximum

temparature,

167*F

(75°C).

2-8.

INSTALLATION

2-9.

The

Model

4440B

submodular

unit,

equip-

ped

with

rubber

feet

for

bench

operation

shipped

from

the

factory.

However,

when

used

combination

with

other

submodular

units

can

rack

mounted.

The

adapter

frame

designed

for

this

purpose

and

available

through

your

Hewlett-Packard

Sales:

Service

Office.

2-10.

ADAPTER

FRAME(HP

Part

No.

5060-0808)

2-11.

Theadapter

frame

arack

frame

that

accepts

any

combination

submodular

units.

can

rack

mounted

only.

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