Simpson 880 WATTMETER, 880 VOLTMETER Operator's Manual

INSTRUMENTS THAT

STAY

ACCURATE

MODEL

MODEL

880

880

LEI

VOLTMETER

WATTMETER

.-

new

VOM's

from

160

Handi-VOM

Just

3Yu"

Wide

with

Full-Size

•

20,000 n VDC

• ±2%

• 5

Resistance Ranges

DC

VOM

DC

Millivolt

. . .

Features

. . .

5,000 0 VAC

... ±3%

Range

. . .

,

!

AC

Plus a 0-250

OPERATOR'S

MANUAL

MODEL

880

VOLTMETER

313

Solid-State

VTVM

Features

•

Uses a single

• 10

Meg

n

•

Large

Write

for

7"

scale

bulletin

sizes

. . .

9-volt

DC

2078

and

VOM

VOM

battery

... 11

types

Conveniences

Meg

n

AC

has

over

of

panel meters, too!

1,400 stock

Write

for fau//ef/n

2079

SEP.

SIMPSON

5200

W.

Area

In

Canada,

Copyright
1-69

IMJ

1969,

B&L

Simpson

MODEL

WATTMETER

NO.

ELECTRIC

Kinzie St.,

Code 312,

Bach-Simpson,

Electric Co.,

Chicago,

Telephone

880

COMPANY

Illinois

379-1121

Ltd., London, Ontario

60644

Printed

in

U.S.A.
5-114224

I

General Information

General Information

FIGURE

1.

MODEL-880

VOLTMETER

FIGURE

2.

MODEL-880

WATTMETER

I

Paragraph

1.1

1.2

1.3

1.4

1.5

1.6

2.1

2.2

2.3

3.1

3.2

3.3

3.4

3.5

4.1

4.3

4.3

4.4

4.5

4.6

5.1

TABLE

OF

SECTION

GENERAL

CONTENTS

I

INFORMATION

Introduction
Description

Table

of

Specifications

Versions

and

Options
Carrying Cases
Serial Numbers

UNPACKING

SECTION

AND

II

INSTALLATION

Unpacking
Incoming

.Inspection

Physical Mounting Instructions

SECTION

OPERATING

Safety

Precautions
Leads & Binding
Zero

Adjustment

Test

Procedures

Test

Procedures

SECTION

MAINTENANCE

III

INSTRUCTIONS

Posts

—Voltmeter

—Wattmeter

IV

Preventative Maintenance
Periodic Maintenance
Parts

List

Terms

of

Warranty

Repair

and

Calibration

Replacement

SECTION

MODEL

880

Circuit

Parts

V

TYPICAL

Connections

TEST

Page

1-1

1-1
1-2
1-2
1-4
1-4

2-1
2-1
2-1

3-1
3-1
3-1
3-2
3-2

4-1
4-1
4-1
4-2
4-2

4-3

5-1

ILLUSTRATIONS

Illustration

Figure
Figure
Figure
Figure

the
Low-Current,

Figure
Power

Figure
Measurement
Circuit

1:

Model

2:

Model

3:

Model

4:

Model

Power

5:

to a

Model

to a

High-Current,

6: Two

(Balanced

Figure

7: Two

Measurement

880

Voltmeter

880

Wattmeter

880

Voltmeter Connected Across Load.

880

Wattmeter connected

Single-Phase Load. (Recommended

High-Voltage

880

Wattmeter

Single-Phase

Low-Voltage

Model

of

Model

of

880

Power

or

Unbalanced).

880

Power

Circuit.
Figure

8:

Three Model
Measurement
Circuit (Balanced

Figure

9:

of

Power

or

Unbalanced).

Typical Schematic Diagram

Single Range Voltmeter.
Figure

10:

Typical Schematic Diagram

Double
Figure

Double
Figure

3-Range

Range Voltmeter.

11:

Typical Schematic Diagram

Range Wattmeter.

12:

Typical Schematic Diagram

Wattmeter

Load).

Connected

Load. (Recommended

Load).

Wattmeters

in a

Three-Phase,

Wattmeters

in a

Two-Phase, Three-Wire

880

Wattmeters Connected

in a

Three-Phase, Four-Wire

Connected

Connected

for

for

for

of

to

Read

to

Read

the

for

for

Three-Wire

for

Model

Model

Model

Model

880

880

880

880

Page

11

5-1

for

5-1

5-2

5-3

5-4

for

5-5

5-6

5-7

5-8

—

5-9

in

(See

Illustrations

Directory Page

iv)

iv

SECTION

GENERAL

1.1

INTRODUCTION

The

Simpson Instrumentation Products Group Model

are

rugged

are

divided into

(A)

Model

(B)

Model
These
meet
shop, laboratory,
880

Wattmeter

two

the

demand

and

reliable portable instruments. These instruments

two

basic

880

Voltmeter

880

Wattmeter

basic types

of a

wide

or

Quality Control Department.

may

also

INFORMATION

types.

are

available

field

be

utilized

I

in a

variety

of

applications, such

as an AC to DC

standard.

Wherever a precise measurement must
that

Model

880

Instruments

are

dependable

be

taken,

and

of

you

easy

880

ranges

as in the

The

Model

transfer

will

to

operate.

Series

to

find

1.3

TABLE

Parameters:
Movement:
Sensitivity:

*

Accuracy:

Response
Frequency

Dielectric:

Damping

tyjLOGj

TV

Size,

CugllU

Weight

*Applies

General

OF

SPECIFICATIONS

MODEL

AC/DC
Dynamometer

Approx.

±

Time:

Influence:

2.5
±0.5%
2600

Factor:

U/4

2

Minimum

51/*" x 3%" x 7"-Approx.

when instrument

MODEL

Information

880

VOLTMETER

Volts

Type

55

Ohms

1%

of

Full

Scale®

Seconds Maximum

from

54 Hz to 66 Hz

Volts

60 Hz

Sine Wave

-A.

U/Z

A I

f^^J^Ji

is in

horizontal position only.

880

WATTMETER

per

25

Volt

°C

Sine Wave

2V4

\JJ±. a / & *•_*.

lb.

1.2

DESCRIPTION

The

heart

of the
mometer
dependable
of

the

the

of

the
current.
power

All

type movement. These instruments

AC and DC

Model

full

scale voltage value

Model

These units measure true wattage, (compensated

factor,

Model

880
scale located
hand stepped
characteristics

accuracy.
Parallax

"knife

below
The

back

error

edge" pointer

the

scale

phenolic case

for

maximum durability

components.

Model

880

Instrument

measurements.

880

have clearly marked binding

of

each range. Wattmeter versions

880

have separate binding

not

simply volt-amperes).

instruments have a large,

in the

upper

and

drawn

to

insure

has

been virtually eliminated

half

to

the

and an

of the

match each individual movement's

best

image reflecting mirror mounted

arc.

is

designed with heavy

and

protection

1-1

is the

The

Simpson Dyna­ are

capable

voltmeter versions

posts

showing

posts

for

voltage

of

and

for

easy

to

read 4-1/2"

front

panel.

The

scale

is

possible scale tracking

by use of a

reinforced

for the

walls

circuit

thin

and

Parameters:
Movement:

*

Accuracy:

Response Time:
Frequency Influence:

Dielectric:
Damping Factor:
Size,

Weight

*Applies

1.4

Model
able

when

VERSIONS

880

Voltmeters

in the

following

instrument

AND

MODEL

Range

Catalog

150V

150-300V

75-150-300V

150-300-600V

AC/DC
Dynamometer
±1% of

2.5
±0.5%

+1.5%
1500
2

Watts (true

Type

Full Scale @ 25

Seconds Maximum

from

Volts

54 Hz to 66 Hz

at 400 Hz

60 Hz

Sine Wave

Sine Wave

Minimum

5%" x 3%" x 7"-Approx.

is in

horizontal position only.

OPTIONS

and

ranges

880

AC/DC

Model

and

880

Wattmeters

combinations

VOLTMETERS

1-2

power)

°C

of

ranges:

Number

13130
13140
13150
13160

Sine

2% lb.

are

Wave

avail-

General

Information

General

Information

MODEL

The

following

two

voltage

Maximum

Voltage

100
200
500

1000
2000
5000

The

following

to two

voltage

Maximum Maximum

Voltage 150V Voltage 300V

instruments

ranges.

POWER

Maximum

150V

Watts
Watts
Watts
Watts
Watts
Watts

MODEL

instruments

POWER

880

AC/DC WATTMETERS

RANGES

Voltage

200
400
1000
2000
4000
10000

880

ranges.

RANGES

have a single

300V

Watts

Watts
Watts
Watts
Watts
Watts

AC/DC

have

current

Maximum

Current

1.5 A

3.0

A

7.5 A

15.0

A

30.0

A

75.0

A

WATTMETERS

two

current

ranges

Maximum

Current

Low

High

Scale Scale

range

Catalog

Number

13170
13180
13190

13200

13210

13220

in

addition

Catalog

Number

and

1.5

CARRYING

Carrying cases
and

Model

Slide-in vinyl case
Ever-ready vinyl case
Ever-ready cowhide case

Roll-top phenolic

1.6

SERIAL

Each Model

identification.

The

serial

of

the

instrument

page

in the
purchased,
in

this

space,

ment

for

future identification purposes.

CASES

are

880

Wattmeters.

NUMBERS

880

number

front

the

customer

so he

available

instrument

is

scale. A space

of

will have a permanent record

for all of the

case

is

located

this

in the

manual. When

is

advised

serially

has

numbered

lower

been provided

to

insert

Model

Catalog

a new

880

1818

0805

4236

6192

right

the

Number

instrument
serial

of the

Voltmeters

for

ease

of

hand corner

on the title

is

number

instru-

250-500
500-1000

Watts

Watts

Maximum
plied
to the

of

voltage
permissible
full

scale wattage rating

current

simultaneously. Overloading

instrument

and

as

500-1000
1000-2000

and

maximum voltage cannot

will

be the

current within

long

as

their product does

Watts
Watts

NOTE:

of the

1-3

3.75

A 7.5 A

7.5 A

15.0

and

possible damage

result.

the

instrument.

Any

maximum limits

not

13230

A

13240

be ap-

combination

is

exceed

the

1-4

SECTION

II

SECTION

III

UNPACKING

2.1

UNPACKING

All

Model

An

instruction manual

removing

BOX!!

strument

for

any

2.2

INCOMING

Carefully
occurred
or

marred case
freedom
ing or
tions

See

Section

2.3

PHYSICAL

The
vertical
strument
under

The

guaranteed accuracy
when
Instrument
measurements
horizontal

880

the

instrument

Doing

is

other

so may

found

reason,

check

in

transit such

of

action. There should

sticking

in

this

manual

3 for

Model

880

position.

at a

the

instrument case.

the

unit

facing

are

position.

Instruments

for any

or

of the

Instruments

convenient angle

is

AND

INSTALLATION

are

is

enclosed with each instrument. When
from

damage

to be

damaged

the

original carton

INSPECTION

visible signs

as a

packed

the

carton

the

instrument. Also,

in

cracked

one

unit

DO NOT CUT THE

transit

of

or

must

can be

used.

damage that

glass

window,

per

if the in-

be

may

panel, etc. Check instrument movement

not be any

pointer.

for

operating

MOUNTING

Refer

balance

and

instructions.

INSTRUCTIONS

may be

The

handle

may be

by

of

used

in

upward).

Model

horizontal position,

880

Therefore when

required always place

calibration accuracy, etc.

folding

indication

to the

used

used

page

in the

to

position

the

of

specifica-

horizontal
handle back

instruments applies only

(front

panel

the

most precise

the

instrument

carton.

returned

have

chipped

for

of

bind-

or

the in-

of

in a

3.1

SAFETY

When

sound
citors

in the

connecting
safety policy

PRECAUTIONS

circuit under

instrument into

in

this

manual

low

the

correct

Caution should
and

terminals
current
are not

3.2

Leads

to the
required

LEADS

are not

spade type

to

test

be
are of
instrument.

AND

supplied with

of

terminal
strument binding
diameter
strength

is

0.2".

well

in

instrument.

3.3

ZERO

Each time
should
sition. Check
the

zero mark

be

reset.

slot

of the

ADJUSTMENT

the

Model

be

checked. Place

the

on the

This

is

zero adjust screw located

OPERATING

an

instrument into a circuit,

to

turn

the.

circuit.

serve

procedure

exercised

sufficient

for the

BINDING

on the

post

The

lead insulation should have a dielectric

excess

880 is put

movement pointer

scale.

accomplished

INSTRUCTIONS

off all

power

test.

Then proceed

Pictorial diagrams

as an aid in

in a

to

helping

variety

insure

gauge

Batteries

Model

POSTS

the

lead

is

very satisfactory.

of the

maximum voltage applied

or

880

Instruments.

Model

end

into service

the

instrument

to see if it is

If the

pointer

by

placing a screw-driver

it is

and

discharge

to

connect

are

the

technician fol-

of

circuit applications.

that

the

lead wire, clips,

to

carry

the

external power sources

880

instruments.

that

connects

The

binding post

the

zero

in the

horizontal

exactly over

is off

zero,

in the

movement cover.

always

all

a

capa-

the

included

maximum

A

to the in-

to the

setting

po-

it

should

in the

2-1

The

zero adjust screw
clockwise
exactly over
has
slight amount
resting

or

counterclockwise
the

zero graduation. When a precise zero

been made, slowly back

so as to

against

the

movement zero adjust

can

then

be

rotated a full

to

place

off the

relieve pressure

3-1

360

degrees

the

instrument pointer

setting

zero adjust screw a very

off

the

zero adjust screw

fork.

Operating

3.4

TEST

PROCEDURES

MODEL

To

measure

AC or DC
post marked ± and to the
range.

The

leads

can

then

figure

9 for

wiring diagram.

larity

when

measurements
Voltmeter.

When

in

doubt

as to the

start with

as to

3.5

TEST

the

highest range

afford a greater degree

PROCEDURES-WATTMETER

MODEL

A.

SINGLE

To

measure power

880

wattmeter

Caution
current
Diagrams
swift

effective

B.

THREE-PHASE,

Wattage
cuit balanced
single-phase

PHASE

is

should

terminal

are

provided

tests

(power)

or

Model

in a

single-phase circuit, only a single model

required.

be

exercised

are

connected

in

with

THREE WIRE

measurement
unbalanced

880

diagram.

Instructions

880

VOLTMETER

voltage, connect leads

binding post with

be

connected

It is not

are

taken with

correct voltage range

of the

of

880

to be

Model

protection

WATTMETER

sure

to the

this

manual

the

model

wattmeters.

880

in a

three-phase, three wire cir-

is

accomplished

See

the

to the

necessary

to be

880

to the

the ±

same side

to aid the

wattmeter.

Figure

to the

binding

desired voltage

test

to

the

circuit.
observe

Model

See

880

used, always

Instrument,

unit.

potential

user

and

of the

in

making

line.

by use of two

6 for

wiring

po-

so

±

Operating

Polarity must
grams with regard
880

wattmeter used

be

observed

to the

in a
portant since a base must
of

the

readings.

When

the

0.5,

the
reverse.
of

all the
reverse
should
and

recorded
should
to

obtain

power

reading

After

wattmeters

reading unit should then

now be

then

the

factor

of

one-

in the

of the

re-checking

are the

up-scale.

as a

negative

be

added algebraically

true power dissipation

Example:

In a

typical
wattmeters
ing of 500

Meter
correct polarity
The

up-scale reading

duces

three-phase

are

used. Meter

watts.

#2

produces a reverse reading. Re-check leads

before

is now

an

up-scale reading

Meter
Meter
Meter

Algebraic

Sum = +575

Instructions

as

indicated

marked binding

poly-phase

be

established

test

circuit under

model

to see

same,

This

up-scale

quantity.

880

that

the

the

current

be

reversed.

This negative quantity

to the

of the

four

wire circuit three model

#1

produces

reversing leads

—400

watts. Meter

of 475

#1 =
#2 = —400
#3 =

watts.

+500

+475

watts
watts

watts
watts

in the

post

following

of

each model

circuit. This

to

determine polarity

test

is

less

wattmeters

will

connection polarity

coil

leads

The

indication

value should

be

total positive

circuit under

an

up-scale read-

to

current coils.

#3

true power

dia-

is im-

than

read

of the

noted

sum
test.

880

for

pro-

C.

THREE-PHASE, FOUR WIRE
Wattage
cuit,

single-phase

(power)

balanced

Model

measurement

or

unbalanced,

880

is

wattmeters.

diagram.

3-2

in a

three-phase

accomplished

See

Figure

four

wire cir-

by use of

8 for

three

wiring

3-3

SECTION

IV

Maintenance

MAINTENANCE

4.1

PREVENTATIVE

The

Model

880
withstand a reasonable amount
ever, like
should
abuse.
usually
overload

4.2

Model
calibration
is

flexible

up a system

4.3

PARTS

any

other

be

exercised

Momentary electrical overloads

cause permanent damage. However,

occurs

PERIODIC

880

Instruments should

accuracy.

and is

that

MODEL

Cover

assembly

Case

assembly including handle 0-006190
Handle
Lockwasher,

assembly 10-860158

case

MAINTENANCE

Dynamometer

fine

to

avoid undue electrical

the

accuracy should

MAINTENANCE

The

left

to the

best

meets

880

VOLT

type

piece

movement

of

shock

of

precision equipment, care

of

be

rechecked.

be

checked periodically

is

designed

and

vibration. How-

or

mechanical

500% should

after

an

to

not

accidental

for

time period between accuracy checks

discretion

his

COMMON

AND

of the

individual

needs.

TO

WATTMETERS

to set

0-005572

#6.,

1-110333

Stud Handle, mounting 1-114883

Screw,

case,

to

panel

1-131514

Screw,

cover, mounting

Screw,

cover, mounting upper 1-131494

Knob,

1-1/8"

Knob

Set
#8-32 x 3/8,
Binding
Binding
Hex

nut
Terminal
Lockwasher

Washer,

long, wattmeter only

Screw, wattmeter only,

cone

post,

all

metal

post, phenolic black #10-32 1-117647

brass

#10-32,

#10

binding post

split

#10

brass

flat #10

lower

1-131520

3-262871

point

1-111519

1/4-28

binding

binding

binding

3-311642

post

mtg

1-111541

mtg

1-115568

post

1-111854

post

mtg

1-111557

4.4

WARRANTY

All

instruments

Group

are
cording
from
of
turned,

to

defects

shipment. Within

transportation
or one of our
to be

defective, will

replaced)

without charge.

This warranty does
nor

to

instruments which have been altered outside
vice organization, operated
This warranty
pressed

4.5

or

REPAIR

Complete
and

calibration
available
listed
make
ever,

of

shipment. Pack

It is

for

on

back cover.

use of

Regional Service Centers should

usually advisable

Enclose with

1.

Detailed report

in the

warranted

Simpson

to the

Instrumentation

original

purchaser

published specifications upon delivery,

in

material

authorized

is

implied.

AND

facilities

of all

most instruments

repair

the

equipment a letter

or

workmanship

this

period,

charges

prepaid,

service

be

repaired

not

apply

to

in an

expressed

We are not

CALIBRATION

are

in

liable

maintained

Simpson

at the

No

advance authorization

and

calibration service

the

equipment securely

to

insure

of

difficulty

any

instrument

agencies,

or

adjusted (or,

tubes,

abnormal manner,

lieu

of all

for

at our

instruments.

Regional Service Centers

the

shipment.

containing:

encountered

requested.

2.

Purchase date.

3.

Indication whether estimate

4.

Name

5.

Address

and

phone number

we

have a question regarding your

to

dress

to

which

which

the

any

charges should

is

required

of

individual

equipment

request.

is to be

be

to

and to be

for one

to our

and

year

repair department

which

at our

transistors

other liabilities

consequential

factory

for the

Service

is

at the

be

notified

factory;

and

ship prepaid.

or

before

work

to

contact should

returned,

billed.

Products

perform

ac-

free

from

date

which

we

is re-

confirm

option,

or

batteries,

of our

or

ser-

abused.

ex-

damage.

repair

is

also

required

how-

in

advance

calibration

is

done.

and ad-

to

4-1

4-2

Maintenance

SECTION

V

Recalibration

National
be

issued

Should
manuals
(312)

379-1121.

4.6

REPLACEMENT PARTS

Replacement
Parts

Sales

Please

specify:

1.

Part

2.

Model

The

minimum billing

is

enclosed.

is

conducted with standards traceable

Bureau

if

repair

be

of

requested.

or

calibration data beyond

required, contact

parts

Department

number

and

and

serial

Standards. A certificate

for

description.

numbers

our

products should

in

Chicago.

of the

for

parts

is $10 per

of

calibration

that

in our

Chicago repair

be

ordered

instrument.

order unless payment

to the

can

instruction

facility

from

at

our

MODEL

FIGURE

880

TYPICAL TEST CIRCUIT CONNECTIONS

3:

MODEL

880

VOLTMETER

CONNECTED

LOAD

ACROSS

LOAD.

4-3

FIGURE

4:

MODEL

880

TO A

SINGLE-PHASE LOAD. (RECOMMENDED

VOLTAGE LOAD).

WATTMETER CONNECTED

5-1

TO

READ

FOR

LOW-CURRENT, HIGH-

THE

POWER

<>

O

o

m
r

m
OH

2

m

en
to

so

si

oz
So

So

^

H

O

£3)

<T>

m

I>

6°

C

H

V

co

FIGURE

6: TWO

MENT

OF

OR

UNBALANCED).

POWER

MODEL

880

IN A

WATTMETERS CONNECTED

THREE-PHASE, THREE-WIRE CIRCUIT (BALANCED

FOR

MEASURE-

aaONviva)

QV01

xinoaio

aod

QSIOSNNOO

sai/w-anod

sasxaiAixxvM

'3SVHd-33aHi v NI

oaa

IBQOIAI

asMOd

33anx

do

-

ao

J.NSIAI

LO
LC

NEUTRAL

FIGURE
MENT

OF

7: TWO

POWER

MODEL

880

IN A

WATTMETERS CONNECTED

TWO-PHASE, THREE-WIRE CIRCUIT.

FOR

MEASURE-

"T

in

ananoa

U3M01

oss

1100

wvasvia

01313

SHJULC-®—i

a3IIM30

QN3

saniviAiav

ouvwaHOS

ivoidAi

:oi

ganoid

C"
uo

CALIBRATED-y
SPOOL

\y

R3

QN

3

1100

01313

R

2

aaddn

U31N3O

CENTER

i*j—'

UPPER

z

a

END

000 ^ *^

FIELD

COIL

FIGURE

9:

VOLTMETER.

TYPICAL SCHEMATIC DIAGRAM

ARMATURE

END

CENTER

FIELD COIL

FOR

MODEL

PVv

LOWER

O_/7\

880

SINGLE RANGE

3ianoa

oss

-IBQOIAI

aod

i/wysvia

OUVIABHOS

•y3J.3W-U.VM

ivoidAx

HI

H01IMS

[H)snoA

Auvioa

HDIH

MO1

z

a

SlOOdS

L

H

e

a

aaivaanvo-

00

C^^JUUUUUU-O-

iSdl/MV

1100

,

SIIOA

o-ouuuuuu—o

I

HOP

Q13ld

4

i

[DISdlAIV

AMPSCG

FIELD

COIL

—oonnnpo

01

cb

CALIBRATED

SPOOLS

VOLTS(H

FIGURE

12:

WATTMETER.

TYPICAL SCHEMATIC DIAGRAM

OF

MODEL

880—3-RANGE

SIMPSON

Alabama,

Electro

106

Jordan Lane N.W.

Arizona,

California,

California,

California,

California,

California,

Colorado,

Connecticut,

Connecticut,

Florida,

Florida,

Phoenix 85034 Area Code
Kierulff
2633

E.

JSD

Enginering

6915

San

Metermaster/Los
5646

Jellson

Kierulff/Metermaster
3969

E.

Metermaster/Kierulff
8796

Balboa Ave.

Pacific
111

Main Street

Meter

Master Instrument Service

748

South Broadway

The

Mancib

Randolph

Kaufman

810

Dixwell

Miami 33136 Area Code
Florida Precision Instrument Corp. 374-1731
800

N.W.

Orlando 32806 Area Code
Electro Tech, Inc. 423-5589
307 -

27th Street

WARRANTY

AND

PARTS DEPOTS

Huntsville
Tech, Inc. 539-1250

(Metermaster)

Buckeye

Glendale 91201 Area Code

Fernando Road

Los

Palo Alto 94303 Area Code

Bayshore Road

San

San

Electrical Instrument Lab. 421-7185

Denver

Middletown Area Code

Road

New

Instrument Lab. 776-7201

7th

35805 Area Code

Company 840-6187

Angeles

St.

Diego 92111 Area Code

Francisco

Co.

Avenue

Avenue

90022

Angeles 685-4340

968-6292

278-2112

80209

Area Code

347-5629

and Coe

Haven 06511 Area Code

REPAIR STATIONS

273-7331

Area Code

94105 Area Code

722-5766

205

602

213

213

415

714

415

303

203

203

305

305

Georgia,

Hawaii, Honolulu 96819

Illinois,

Illinois, Chicago 60644 Area Code

Kansas, Wichita 67211

Louisiana,

Maryland,

Maryland,

Massachusetts,

Massachusetts, Needham

Michigan,

Minnesota,

Hapeville

Electro Tech, Inc. 767-8761

3020

Commerce

Electronic Measurement Corp.
2979

Ualena Street

Chicago 60648 Area Code

A

& M

Instrument, Inc. 774-3500

6251

W.

Touhy

Pacific

Indicator Company 261-1330

5924

West Madison

Main Electronics, Inc. 267-3581
363

Pattie

Industrial Instrument Works 895-5621
3305

Meter Devices 345-7775
11325 Maryland Ave.

E. I. L.

110

The
Middlesex

Instruments, Inc.
570

Ram

1100

Instrumentation Services
957

New

Tchoupitoulas

Beltsville

Timonium

Instrument Div.

W.

Timonium Road

Mancib Company

Hillside Avenue

Ferndale 48220 Area Code

Meter,

Hilton Road

Minneapolis 55427 Area Code

Winnetka

30054 Area Code

Way

Street

Area

Orleans 70115 Area Code

Street

20705 Area Code

21093 Area Code

252-1260

Burlington

Turnpike

Inc.

Ave.

01803

272-9450

at "A"

Heights

444-9410

547-1000

Area Code

02194 Area Code

544-8916

Code

404

312

312

316

504

301

301

617

617

313

612

Missouri,

New

New

New

New

New

New

New

New

New

New

North Carolina, Charlotte 28206 Area Code

St.
Scherrer Instruments 862-5449
5449

Jersey,
Marshall Instruments, Inc. 751-1190
236

Jersey, Roselle 07203 Area Code
E. T.
205

Mexico, Albuquerque
Eberline Instrument Corp. 265-6655
P.O.

York,
Electrical Instrument Labs. 876-0880
932

York, Great Neck, L.I. 11022 Area Code

A

& M

Community Drive

York, Great Neck, L.I. 11022 Area Code

Simpson

130

York,
E. T.
85

Tenth

York,
Nilsson Electronic Labs
103

York, Syracuse 13215 Area Code
Syracuse Instrument Laboratories 492-1651
4895

York, Vestal 13850 Area Code
Compton Industries, Inc. 729-9221
413

Electro
5141

Louis 63112 Area Code

Delmar Blvd.

Belleville 07109 Area Code

Washington

Instrument & Controls 241-8282

Columbus Ave.

Box

Hertel Avenue

Instrument, Inc. 487-0330

Instrument

Cutter Mill Road

Instrument & Control

Lafayette

South Avenue

Commerce Road

Tech,

Belhaven Blvd.

Avenue

87108

Area Code

8885, 1404

Buffalo

New

Avenue
New

San

Mateo, S.E.

14216 Area Code

Sales & Service

York 10011 Area Code

Co.

York 10013 Area Code

WA

Street

Inc. 392-7451

683-0674

675-2400

5-1730

314

201

201

505

716

516

212

212

212

315

607

704

Ohio,

Cleveland
Pioneer-Standard
5403

Prospect

Ohio, Cleveland 44135 Area Code

Weschler
4250

West 130th

Ohio, Dayton 45404 Area Code

Srepco Electronics Div. 224-0871
314

Leo

Oklahoma,

Agra Engineering Company 582-5754
551 S.

Oregon,

Pennsylvania,

Pennsylvania,

Texas,

Texas, Houston 77003 Area Code

Washington,

Wisconsin,

Portland
Westcon, Inc. 285-6629
1910

Killingsworth

E. I. L.
2366

Holliday

Sunshine

1810 Grant Avenue

Dallas

Ultra Instrument

3515 Swiss Avenue

Electrical
369 M & M

The

Instrument

934

Elliott

The

Electro-Mechano Company 272-4050

241

East

44103

Area

Electronics,

Avenue

Electric

Street

Tulsa

Quaker

Instrument Div. 327-4450

Scientific

Instrument & Meter

Milwaukee 53202 Area Code
Erie

Corp.

Street

74120 Area Code

97217 Area Code

Street

Monroeville

Park

Shopping

Philadelphia

Building

Seattle

Avenue

Instrument

75204 Area Code

Lab.,

98119 Area Code

Lab.,

Inc. 283-5850

West

Street

Inc. 432-0010

251-4609

15235 Area Code

Center

19115 Area Code

673-5600

Inc. 826-6395

Co.

227-6252

Code

216

216

513

918

503

412

215

214

713

206

414

for

manf

tests

here's
reliability

Simpson's

search

of

trouble—the
Taut Band suspensions.
pension

Because
and

trouble

The

in a comprehensive
suring
(he

improved Taut Band
lest (cycled zero
August
cycles
of

normal
that
Taut Band meters
temperature,

Stocked
stocked
Ranges

For

fast

5202

In

Cinida;
In

India:

for reliability

overly

with

25%

of

this,

you

to

nose

Ultimate

In

up to

today's

to

30.

1964,

the

without

failure.

operation.

the

meters

are

humidity,

for

Immediate

arc

microammeters

are

10,

15.

service,

call

W.

Kinzlo

Street.

Escondldo,

Bach-Simpson

Rutloniha-Slmpson

Bombay

fewer

would expect

dive.

Test

test program

needs,

full

holding ± '/i%

also

25, 50, 100 ua;

your

-Agro

complicated

The

result

parts.

And
Programs—As

Simpson

meters

scale

2200 times

ISO

meters have

This

is

equivalent

Weekly

passed

shock,

Delivery—Present

in

distributor.

Chicago.

Illinois

Calif. • Phone:

Ltd.,

London,

Ptivate

Road.

Vikbrali.

the

began

at a

design

was an

life

expectancy

that's

just

to

insure

engineers

on a

continuing

logged

calibration

accuracy. Simpson

ASA

tests

and

vibration.

2'/i',

3!£",

accuracy,

60544 • Phone:

.

., ..

(714)

SH

Ontario

Ltd.,

Bombay

taut

you

major

source

of

conventional

improved sus-

to

zoom,

what happened.

just

one

step

reliability

mea-

put

ISO

24-hour

per

hour).

As of

25,243,000

to

over

70

years

checks show

for

extreme

units

and

4^*

sizes.

± 2%

F.S.

(312)

5-62

Intornnllona

band
should demand

Special

Requirements—Contact

resentative

or the

factory.

with

tests

20

pivot-jewel

WRITE

Sensitivities

of

1%

or

being

FOR

ffepr<sen(a(/r«

..

.Si*

better

run on

meters

Bulletin

of

ESlebr

amperes

Continuing
Band

at

meters

accuracies

reliability

your

as low as 2

150

used

r»top/ioni

Simpson

can be

improved

as

control

PM-505.

In

Prlnclptt

Yillow

rep-

micro-

supplied,

Taut
units.

Cltlts

P

Simpson

MICRO-TESTERS...18

If

you run

tests

on

tubes,

components,

what

you're

give

you

All

18

are

or

the

factory

AC/DC

VOLT-OHM-Ml

AC/DC

VOLT-OHM-MIUIAHMtTER:Hr«ng«
OHMMETtR: 6 ranges. 0 ohms
LOW-OHM
AC

AMMETER:

DC

AMMETER:

AC

MlLLIAMMETER:0-5,25,100,250,1000

DC

MILUAMMETER:D-!.5,10,

DC

MICfiOAMMETER:0-50,

AC

VOLTMETER:

AC

VOLTMETER:

DC

VOLTMETER:

DC

MILLIVOLTMETER:D-10,30,

AC

VOLT-AM

AC/OC

VOLT-WATTMETER: 4 range*

AC/DC

VOLT-WATTMETER: 4 ranges
BATTERY
TEMPERATURE

communication
batteries,

looking for. Micro-Testers measure only

Simpson

quality

in

slock

METER:

0-1,

0-1,

P.

WATTMETER: 8 ranjes

TESTERMoi

METER:

in a

far

immediate delivery. Call

for

Bulletin

2066.

LLIAMMETER:

lo

50

0-5.0-25

ohms

Model

2.5,5,10,25

imp.±5X

2.5,5,

10, 25

imp. ± 3j<

25,50,

100,250.500,
0-5,10,25.50,100,250,
0-150,300,

600

V,±3XFS

10

nniw.0

to

1000
100,300,

radios,

flashlights,

-SIT

to

4-70'F

Types...Get

systems,

or

tester

12

raogu

mej

Model

100,250,

lDOQ,u»
500,1000

«.±3XFS

1000

(300
(260
(260

hearing

(up to 3

motors,

coolers,

these

nifty

that

is

compact

in

your

Electronics

Mod«l

Modrt

FS

Model

FS

Mod.l

ma, ± 5^

FS

M"*"'

1000

nu, ± 3Ji

FS

± 3% FS

Modal

v, ± 5X

FS

Model

mv, ± 3% FS

v, 15

»,

v,

3000

v.

5000

Mod.l

Mod«J

Model

3000

w.

mai)

dt

SK

w,

mix)

± 5% FS

w,

max) ± 5j<

FS

thh

Model

lernp.

tins

lime)

Mod.l

SIMPSON

ELECTRIC

Bach-Simpson

wiring,

little

testers

3* x

5ft* x 1l/i*.

both size

Model

FS..

Model
Model
Mod.l

3B5-3L

Ltd., London,

Several

appliances,

are

just

They

and

price.

Distributor

230
240
372
362
370

375
378
373
374
376
371
37?
387

390
391
392
379

COMPANY

Ontario

Here's

the

most

ever

made.

Protection

VOM

you

will
perienced people
for

yourself

on

The

260-5P

will

burned

out

meters

and

inaccuracies

Combined

Protection

In Any

Other

t.

Reset button

2. You

cannot

3.

Protective circuit

loads

which

instrument.

A.

All

ranges

are

in a portable

DC

and AC;

foolproof

volt-ohm-miIIiammeter

approaches

want

to

-have

are

running

those

days

when

save

you all

kinds

and

resistors,

caused

by

overheating.

You

VOM

pops

out to

reset circuits while

can

indicate

does

not

cause

hidden

protected

except

instrument—1000

10

amp

DC.

on

hand

tests

you're

of

Won't

overload

require

those

100%.

...

damage

and

It's

the

where

inex-

or

will

reach

all

thumbs.

headaches

from

bent pointers,

Find

overload.

is

present,

massive

over-

to the

not

feasible

5000

volts

I

IN/I

Ranges—The
the

same

accessories u Smp«on'l

VOM.

260-5P

tat

the

sine

O

rapt«ad

Runout

IXP

t«tai

SWW

SIMPSON
ment
be

free
normal
being
or

other article
after
ment
to

one of its
charges prepaid,
to its
being expressly
implied
and
nor

authorizes

liability

ELECTRIC

and

other articles

from

defects

use and

limited

to

delivery

to the

original purchaser

authorized service stations, with transportation

satisfaction

and of all

SIMPSON

in

connection with

service,
making good
of

of

such instrument

and

to

in

lieu

other obligations

ELECTRIC

any

This warranty shall
article

of

equipment which shall have been repaired
altered outside
factory

or

subject

to

by

others,

tions furnished

the
authorized service stations,
misuse, negligence
or

installation

by the

Warrant?

COMPANY warrants each instru-

of

equipment manufactured

in

material

its

and

workmanship under

obligation under this warranty

at its

factory

any

equipment which shall within

or

other article

be

returned intact

which

its

examination shall disclose

have been thus defective; this warranty

of

all

other warranties expressed

or

liabilities

COMPANY

other persons

the

sale

not

apply

SIMPSON

or

or use not in

to

to any

ELECTRIC

accident, incorrect

neither
assume
of its

for it any

products.

instrument

nor

which

accord with instruc-

manufacturer.

by it to

instrument

90

days

of

equip-

to

it,

on its

part,

assumes

other

or

other

COMPANY

has

been

wiring

or

or

or

520Z
Eipurt

In

Canada)

W.

Ktnrle

OepLt

BBeh-Slmpaoo

Street.

400 W.

Chle»e°.

Madlton

Ml.

60644 • Phon«;

Street,

Chicago,

Ltd., London.

Private

,

VlkbrBll.

;

OntBrlo

Ltd..

Bombay

III.

Inter

(312)

60606

ESUbrooh

Cabf*.

9-1121

America

ELECTRIC

5200

W.

Kinjie

Export

Dept:

IN

CANADA:

IN

INDIA:

Rullonsha-SrmiMon

COMPANY

Street.
400 W.

Bach.Simoson

Chicago.

Illinois

Madison

Street.

Ltd.. London. Ontario

Private

60644

Phone: [phone]

Chicago. Illinois 60606.

Ltd.

International

Hout*.

Cable.

Bombay-Agra

Simelco

Road.

Vikhroli.

Bombay

idisperisafele..component

n;instrument*=..' . '...".