Epson L90P - TM Two-color Thermal Line Printer Manual de usuario descargar pdf (Pagina 8)

makes

first class

soldering

the

easiest

part of

any job

w

r41.1,.,;

..

The

original

Dual Heat

Soldering Guns

Preferred by technicians

for their

fast heating

copper

tips, exclusive

trigger -controlled dual

heat, and high

soldering efficiency.

Available

in 3 watt-

age

sizes,

each

with

spotlight.

100

/140.watt Model

8200, 145 /210 -watt

Model D -440, and

240/325 -watt Model

0.550. Also

in

complete

kits:

Dependable

MARKSMAN Irons

in a

size

for every

job

44414444444

Ideal

for deep chassis

work and continuous -duty

soldering.

Marksman irons outperform others

of comparable size

and

weight. All

five feature long -reach stainless steel

barrels

and

replaceable

tips.

25 -watt, 1' /,-oz.

Model

SP

-23 with I,'

tip

(ln

kit

with

extra tips,

soldering

aid, solder -Model SP

-23K)

40

-watt,

2 -ozi

Model

SP

-40 with

%

tip

80

-watt,

4 -oz. Model SP -80 with

'

/e"

tip

120

-watt,

10 -oz.

Model

SP

-120 with 1/2" tip

175 -watt,

16 -oz. Model SP

-175 with e /e"

tip

25 -watt

Technician's

Iron

for

intricate

circuit

work

Industrial rated pencil

iron weighs only

1iá

ounces, yet

delivers

tip

temperatures

to

860

°F.

Cool, impact- resistant

handle. All

parts readily replaceable.

Model W -PS

with r/a-inch

tapered tip.

Also available:

A new Battery Operated

Iron

for use

with 12

volt

battery or

12 -24 volt

AC

/DC

source. Complete

with 12 ft.

cord

and battery clips.

Model

TCP -12.

Complete Weller

Line

at your Electronic

Parts Distributor.

WELLER ELECTRIC CORPORATION,

Easton,

Pa.

WORLD

LEADER

IN

SOLDERING

TOOL',

CIRCLE NO.

35 ON

READER SERVICE

PAGE

letters

FROM OUR

READERS

pH METER

IS FIRST CHOICE

Although

the company

I work

for already

possesses

a pH meter

which

we use to check

the

condition of

trie water

in our filtration

plant

near Lake

Michigan,

it's

always

a good

policy

to

have a spare

handy.

It was

for this

reason that

we

built the "Solid

-State

pH

Meter"

(November,

1968). The purpose

of

this

letter

is not to

tell you that

we

built the

pH meter,

but

that our

project

is so good

that

it

has

become

the primary

instrument,

while

the old

meter is

now the

spare.

LUDWIG

H. KLAUSEGGER

Northbrook,

Ill.

MORE ON

RESISTANCE

SOLDERING

After reading

your

"Resistance

Soldering"

article

(September,

1968),

I wonder

whether

it would

be possible

to use

two sharpened

carbon

rods

from

a dry

-cell

battery

for the

electrodes.

The

rods, at

least,

won't

accumu-

late solder.

Of

course,

I

realize

that

the

rods

would

have

to be

insulated.

WILLIAM F. MANGANARO

Portsmouth,

N.H.

Although

we

haven't triers

using

the carbon

rods

referred

to, there

should

be

no

reason

why

you

can't

try

them

if you

have an old

defunct

battery

handy.

It

should

be pointed

out,

however, that

these

rods

are soft

and

very

fragile.

In use,

they

tend to

crumble,

even

if only

a

slight pressure

is

applied

to

them,.

WHAT

EVER

HAPPENED

TO . . .?

Hey!

What

ever

happened

to your

"Tips &

Techniques"

and "Information

Central"

col-

umns.

I haven't

seen

them

in POPULAR

ELEC-

TRONICS

in quite

a while. Will

these

columns

ever

be

hack?

MARK

MELLIS

Glendora,

Calif.

Due

to the poor

health

of Charles

Schauers,

editor

of the

"Information

Central"

column,

this

column has

been

temporarily

discon-

tinued.

At the present

time

u-e

do not know

when

the column,

or one similar

to it, will

return. As

for

"Tips

& Techniques,"

we

try

to

publish

only

new

and original

ideas, and

all

indications

reveal

that use

have

just

about

exhausted

whatever

tips

or techniques

there

were.

From

time

to

time

we still

receive

ideas

that

fit

into

the

T

&T

category,

but they

are a

rarity.

As a

result,

the

column

will

appear on

g POPULAR

ELECTRONICS

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 115 116

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