Bausch and Lomb Spectronic 20 User manual

SECTION

1

DESCRIPTION

Figure

The

SPECTRONIC®
single-beam
range

of

20nm

is

The
950nm
changing
phototube
combination
700nm

The accessory
the

capability,

wavelength

wavelength

If

this
SPECTRONIC
cedures
this

manual

models,

333171-10020),

of

all

SPECTRONIC

1.1

SPECIFICATIONS

Wavelength

Standard
Red

Phototube

Wide

Range

Spectral

1.

SPECTRONIC

spectrophotometer

340nm

constant

basic

by

without

are

consult

Slit

to

over

wavelength

adding

the

phototube

(cat.

no.

provides

changing

Filter

in

ranges,

calibration

manual

20

basically

is

written.

SPECTRONIC

which

Range

Phototube

Phototube

Width

20

20

(cat.

no.

with

950nm.

an

The

nominal

the

entire

range.

of

340nm

infrared

(requires

33-29-89)

continuous

Kit

many

in

addition

filter.

is

being

spectrophotometer,

the

contains

20

filter

and

filter

(cat.

cases,

used

same

For

replacement

detailed

models.

340nm
600nm
400nm
20nm

cat.

or

no.

of

to

providing a simple-to-use

as

Model

20

Spectrophotometer

33-31-72),

an

to

600nm

(cat.

no.

filter
operation
phototube.

33-31-28)

extending

to

Service

to

600nm

to

950nm

to

700nm

Figure

overall

spectral

33-29-72). A special

operate

33-31-72

technical

wavelength

slit

is

extended

no.

33-29-18)

(cat.

no.

33-29-92)

from

400nm

also

provides

the

an

operational

for

parts

for

Manual

description

1,

isa

width

and

overall

older

pro-

which

earlier

(cat.

no.

of

to

to

Wavelength
Wavelength
Stray

Photometric

Photometric
Photometric
Photometric

100%T

Accessory

Power

Size

Weight

Accessories

Bausch & Lomb
fications
development.

Accuracy
Readability

Radiant

Range

Readability
Noise
Stability

Drift

Output

Requirements

Supplied

as

part

Energy

Level

reserves

of

our

on-going

41.3cm

33.0cm
(16.25” W x

7.9kg

Box

X-in.

Manual,

2.5nm

1.0nm

(1/5

division)

Less

than

0.5%T
priate stray
filter

(available

filter

kit,

cat.

0%

to

100%T

0A

to2.0A

0.5%T
+

0.5%T

1.0%T/Hour

OVDC
100, 115,

Hz,

the

(Non-linear

to

1.0VDC

220,

90VA

W x 21.0cm H x

D

(17.4

Ibs.)

of

twelve

adapter,

dust

right

program

with

radiant

in

accessory

no.

33-31-28).

240V

AC,

8.25” H x

4-in.

test

Operator's

cover.

to

change

of

appro-

energy

scale)

50/60

13”

D)

tubes,

speci-

product

1.2

OPERATING

Figure 2 shows

The

three

main
Control,
Absorbance
located
Figure

1.2.1
Readings

transmittance

If

Troubleshooting

1.2.2

The
wavelength
indicated
knob.
range
basic
600nm - 950nm
combination.

1.2.3

The

Control

Power

Control.

on

the

3.

Meter

are

the

meter

Wavelength

wavelength

of

on

the

The

scale

of

the

instrument’s

340nm - 600nm

All

Power

ON-OFF

Switch/Zero

knob.

FEATURES

the

key

features

controls

underside

taken

or

malfunctions,

the

wavelength

is

range

main

for

Switch/Zero

The

directly

absorbance

Guide.

Control

control

instrument.

color-coded

phototube:

range,

of

gradations

power

of

your

spectrophotometer.

routine operation

Control

accessory

of

the

mode.

refer

selects

The

scale

to

correspond

and

the

optional

are

Control

switch

and

Analog

instrument,

from

the

to

Table

the

desired

selected

in

the

window

black
red

gradations

red

in

5nm

intervals.

is

operated

are

Wavelength

Transmittance/

Output

meter

wavelength

to

gradations

phototube/filter

Jack

as

shown

in

3,

Operator's

:

analytical

next

the

operating

for

by the

either

to

the

for

the
the

Zero

is

in

is

Zero

Control

WHEN
THE

1.2.4

This
blank

THE

ADAPTER

Transmittance/Absorbance

control

reference

WHENEVER

HAS

BEEN

length

for

100%T

(and

1.2.5

Accessory

The

analog

1.0

VDC
variety
etc.),
100%T.
than 1 volt,
However,
this
performance

recessed
Figure

of

the

output

For

instrument

To

make

3.

is

TEST

COVER

is

used

THE

CHANGED.

an

extended

0%T)

readout

Output

output

signal

at

100%T.

readout

signal

readout

the

output

the

manufacturer's

is

only

within

the

adjustment,

control

marked

used

to

set

the

meter

TUBE

to

solution.

set

ADAPTER

IS

CLOSED.

the

meter

IT

Control

to

MUST

ANALYTICAL

When

operating

period

of

time,

periodically

and

readjust

Jack

level

is

factory-set

To

provide

devices (recorders,

is

devices

signal

0.0

to

1.0
that

compatibility

adjustable

which

may

can

be

recognized

VDC

and

range.

use a small

Analog

from

Output

to a 0%T

IS

EMPTY

100%T

(0.04)

BE

WAVELENGTH

at a fixed

if

necessary.

to

approximately

digital

require

adjusted

display

0.0

to

slightly

output

the

warranty

screwdriver

Adjustment

readout

AND

with

RESET

wave-

check

the

with a wide

units,

1.0

VDC

at

more

to

1.3

VDC.

signal

for

covers

on

the

in

a

PLE

COMPARTMENT

SWITCH/ZERO

CONTROL

Figure

2.

Key

Operating

Features

LAMP

&

PHOTOTUBE

ACCESS

DOOR

ANALOG

VOLTAGE

DER

Figure

3.

Bottom

View

THIS

SWITCH

PLATE)

ANALOG

ADAPTER

OUTPUT

OUTPUT

le

ADJUSTMENT

WRENCH

J

a

Oe

ee

AO