Olympus BHTU User manual

MODELBHTU

BIOLOGICAL

MICROSCOPE

scanned

Nov.

2009

J.G.McHone

for

personal

use

only,

not

for

sale

,.----

WARNING

------,

This

instruction

manual

for

use

your

instrument.

Before

putting

into

operation,

recommend

you

read this manual

carefully

in order to familiarize your-

self

fUlly

with

its

use

that

you

may

obtain

opti-

mum

performance.

OLYMPUS'"

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AX5?51

This

instruction

manual

has

been

written

for

the

use

the

Olympus

Biological Microscope

Model

BHTU.

recommended that

you

read the manual

carefully

in order

familiarize

yourself

fully

with

the

use

the microscope,

that

you

will

obtain

optimum

performance.

IMPORTANT

Observe the

following

points:

•Operation

Always

handle the microscope

with

the care

deserves, and avoid

abrupt

motions.

Avoid

the

use

and maintenance

the microscope in

direct

sunlight, high temperature and

humidity,

dust and

vibration.

Only

use

the tension adjustment ring

for

altering the tension

the coarse adjustment

knobs. (Do

not

twist

the

two

coarse

adjustment

knobs in opposite

directions

simultaneous-

Iy,

this

will

cause

damage.)

Make sure

that

the voltage selector

switch

the

bottom

base

the microscope stand

set

conform

with

the local mains voltage.

Ground

the microscope in

case

there

no ground terminal in

your

mains

line

•Maintenance

Lenses must always

kept clean.

Carefully

wipe

off

oil

fingerprints

deposited

the

lens surfaces

with

gauze moistened

with

asmall

amount

xylene, alcohol or ether.

not

use

organic solutions

wipe the surfaces

various

components.

Plastic parts,

especially, should

cleaned

with

neutral detergent.

Never disassemble the microscope

for

repair.

Only

authorized

Olympus

service personnel

should make repairs.

The microscope should

covered

with

the

vinyl

dust

cover

provided

and stored in aplace

free

from

humidity

and fungi.

II.

III.

STANDARD CONFIGURATIONS

NOMENCLATURE

ASSEMBLy............

.....

CONTENTS

IV.

IDENTIFICATION AND FUNCTION

VARIOUS COMPONENTS

VI.

VII.

OPERATION

Switching ON the Light Source

IVoltage Adjustment and Light Intensity I

(Light Intensity Presetting) Switch I

Placement of aSpecimen Slide .

IWhite Cover for Condenser

ICover

Glass

ISpecimen Slide I

IStage I

Observation Tube

Interpupillary Distance Adjustment

Diopter Adjustment

Light Path Selector

Condenser Adjustment

Condenser Centration

IFiled Iris Diaphragm I

IAperture Iris Diaphragm

Focusing Adjustment .

Tension of Coarse Adjustment

Knobs

and

Fine Adjustment

IUse of Rubber

Cap

for

Fine

Adjustment

Knob

Pre-Focusing Lever

Use

of Immersion Objectives

Photomicrography .

OPTICAL DATA

TROUBLESHOOTING GUIDE

STANDARD

CONFIGURATIONS

"",

Model

Component BHTU·ll1

BHTU-112

BHTU·312

Microscope stand BHTU·F 111

with

quintuple revolving nosepiece

8inocular tube BH2·B130 1 1 0

Observation tubes Trinocular tube BH2·TR30 0 0 1

Square mechanical

stage

with

right-hand low BH2.SVR2 1 1 1

drive coaxial controls and specimen holder

Swing-out condenser BH2·SC 111

Halogen lamp holder LS·20H 111

Halogen bulbs

6V20WHAL

22 2

DAch.

4X,

DAch.

lOX,

DAch,

40X,

10 0

DAch. lOOX (oil) each

Objectives D

Plan

4X,

0Plan

lOX,

Plan

40X 01 1

Plan

lOOX

(oil) each each

Eyepieces, paired

WKlOX

111

Photo eyepiece NFK3.3X 001

Filter

KB·4

111

Immersion oil, bottled 111

Vinyl

dust cover 111

II.

NOMENCLATURE

The Model

BHTU

consists

various components and interchangeable accessories

shown in

the

photo

below. Awide variety

combinations,

standard

optional,

available according

your

requirements.

Eyepiece

Objective

Stage

Condenser

Observation tube

Micoscope stand

For

biological use

Halogen lamp

holder

(Light IntensityPresetting) switch

III.

ASSEMBLY

This picture illustrates the sequential procedure

assembly. The numbers Indicate the

order

assembly

various

components.

Remove

dust

caps

before

mounting

components.

Take care to keep all glass surfaces clean, and avoid :;cratching the glass surface.

NOTE:

For

numbers

and

please refer

explanations

in detail on the

page.

e®

Condenser

(The

N.A.

scale

engraved

the

con-

denser

shou

face

the

microscope

front.)

-..

To AC

®outlet

Halogen bulb

CD,

Halogen lamp

9J holder

Condenser clamping screw

Observation tube

Observation tube clamping screw

Circular

dovetail

mount

Eyepjece

Objective

Specimen

holder

Clamping

screws

~tage

.......;~;..-

Stage

mounting

dovetail

(Light Intensity Presetting) switch

•

Explanations

in detaiI

Mounti

the

stage

Loosen the

stage

clamping screw

rotating counterclockwise. (Fig. 1)

2) Insert the

stage

into the mounting dove-

tail

the microscope stand slowly and

lock

with

clamping screw.

Mounting the observation tube

Loosen the clamping

knob

fully.

(Fig.21 Pull spring-loaded clamping knob

CD.

This

will

cause

the locating pin

to·

withdraw.

the pin does

not,

loosen the

screw

further until the pin withdraws.

With

clamping knob

pulled

out.

insert

the circular dovetail

the observation

tube into the

ring

dovetai

Tighten the clamping knob.

Fig.

Fig. 2

Photo

tube

Condenser height

adjustment

knob

Pre-

focusi

lever

Line

cord

Diopter

adjustment

ring

X-axis

low

drive

control knob

Xexcursion range:

76 mm.

Y-axis

low drive

control knob

Yexcursion

range:

50mm.

Field iris diaphragm ring

Arrow

mark

.......

0indicates

increase

diaphragm diameter.

Summary

Putting

the Microscope

into

Operation

MODEL

BHTU

Match

the

voltage

selector

switch

local mains voltage (page 9).

Switch on the

light

source

(page

9).

Place aspecimen slide on

the

mechanical stage.

Coarse focus

with

the

lOX objective.

Make

interpupillary

distance

and

diopter

adjustments

(page

12).

Adjust the condenser position

(page

13).

Swing

the

desired objective.

Adjust

light

intensity.

Fine focus.

Adjust

aperture iris diaphragm and

field

j'ris

diaphragm

~page

13).

Adjustment

Illumination

System

for

Various Objective Powers

Condenser

Objective Achromatic-

aplanatic Abbe Swing·out

Low

power

magnification condenser

condenser

condenser condenser

BH2-AAC BH2-CD BH2-SC BH2-UL-C

Swi

out

top

Compatible

lens

lOX

20X

Compatible

40X

Compatible Swing in

top

lens

BOX

- - - - - - - - - - .-

lOOX •

*N.A.

somewhat low,

but

still compatible

with

a100X objective.

(Take acopy of this page

and

put it

the wall near the microscope for use as areminder of

microscopic procedure.)

OLYMP'US®

OPERATION

Switching

the Light Source

Ascertain that the voltage selector SWitch

set

conform

WIth

the

local

mains

voltage.

(Fig.

If the switch is not correctly set. adjust

means

the

Allen wrench

provided,

screw-driver.

Place

the sliding voltage control lever

the

nght

side

the

microscope

base

to a

lXlSition

dosest

to you

(low

voltage

position). Switch

the

light

source

(ma;n

SWitch

(2)1.

(FIQ.

Fig. 3

IVoltage Adjustment and

Ugh!

IntensityI

you

push the

control

lever

(j)

the direction

the

ARROW.

the

voltage

increases.

and

the

LED readout

(2)

\¥ill display the lamp voltage.

(Fig. 4)

IlP

(light

Intensity Presening) Switch

Apart from the light intensity set

voltage

adjustment control lever, the

switch

can

set

the light intensity as required.

Presetting the

light

intensity (Fig.

1) Switch ON the

switch

CD.

Insert aslotted screwdriver into

adjust~

ment screw

(1).

Turning it clockwise will

in-

crease the light intensity. Turn it until required

intensity is obtained.

*The

light

intensity

will

not

change even

if the voltage adjustment lever @

with

the

switch ON. To change the

light

intensity

using the voltage adjustment

lever, switch the

switch

OFF.

To recall

the

light

intensity preset, push the

switch to ON.

AHint on Convenient Application

the

Switch

For

instance, when you want to use

two

kinds

objective lens

ahernatley.

set

one

objective

using

the vohage adjustment

[ever.

then set another

objective lens by using the

switch. This allows

the

ffght

intensity

recallhe intensity

initially

preset

switching the

swilch ON and

OFF.

This also allows the light intensity setting for

photomicrography.

Fig.

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