Olympus BHT-111 User manual

OLYMPUS

SYSTEM

MICROSCOPE

MOdCI

BHT

Thisinstruction

manual

has

been

written

for theuse

of theOlympus

System

Microscope

Model

BHT. lt is

recommended

thatyoureadthe

manualcarefully

orderto

familiarize

yourself

fully

with the use

of the microscope,

that you can

obtain

optimum

performance

from it.

IMPORTANT

Observe

the following points carefully:

I Operation

1. Always handlethe microscope

with the care it deserves,

and avoid abrupt motions.

2. Avoid the useand maintenance

of the microscope

in directsunlight,

hightemperature

and

humidity, dust andvibration.

Only use

the tension

adjustment

ring

for altering

thetension

of the coarse

adjustment

knobs.

(Do

not

twist

thetwocoarse

adjustment

knobs

opposite

directionssimultaneous-

ly,

asthis

will cause

damage.)

Make

sure

that

the

voltage

selector

switch

onthe

base

plate

setto conform

withthelocal

mains

voltage.

Makeit a point

of grounding

themicroscope

to prevent

electricaccidents.

I Maintenance

1. Lenses

mustalways

bekept

clean.

Carefully

wipe

off oil or fingerprints

deposited

onthe

lenssurfaces

with gauze

moistened

with asmall

amount

of xylene,alcohol

or ether.

2. Do not use

organicsolutions

to wipethe surfaces

of various

components.

Plastic

parts,

especially,

should

becleaned

with neutral

detergent.

3. Never

disassemble

the

microscope

for repair.

Only

authorized

Olympus

service

personnel

should

make

repairs.

4. The microscope

should be covered

with the vinyl dust cover

provided

and storedin a place

free from humidity and fungi. For extended storage

it is

recommended

to keepobjectives

and eyepiecesin desiccators,

containing

desiccantssuch

silica

gel.

pcfly.info

I. STANDARD

EOUIPMENT

II. NOM

ENCLATU

III. ASSEM

BLY

IV. IDENTIFICATION

AND FUNCTION

V. OPE

RATION

A. Switching

on the LightSource

CONTENTS

VARIOUSCOMPONENTS

r'* ooir;.r;;;

Voltage

AdjustmentandLight Intensity

Placementof a Specimen

Slide

la"""rclassl

fStadl

Observation

Tube

1. InterpupillaryDistance

Adjustment

2. Diopter

Adjustment

3. LightPath

Selector

Condenser

Adjustment

1. Condenser

Centration

FieldlrisDi m

Aperture

lrisDiaphragm

FocusingAdjustment

1. Tension

of Coarse

Adjustment

Knobs

and

Useof Rubber

Cap

for FineAdjustment

Knob

2. Pre-FocusingLever

3. Adjustment

of StageBlockHeight

F. Use

of lmmersionObjectives

G. Photomicrography

VI. OPTICAL

DATA . .'. .

VII. TROUBLESHOOTING

B. 10

pcfly.info

t. STANDARD

EOUIPMENT

Component Model

BHT-11

1BHT-112BHT-312

Microscope

stand BHT-F 111

Line

cord UYCP 111

Observation

tubes Binocular

tube BH2-8130 110

Trinocular

tube BH2-TR30 001

Ouintuple

revolving

nosepiece BH2-5RE 111

Square

mechanical

stage

with right-hand BH2-SVR

lowdrive

coaxial

controls 111

Condensers Abbe

condenser BH2-CD 110

Swing-outcondenserBH2-SC 001

Halogen

lamP

holder LS-20H 111

Halogen

bulbs 6V20WHAL 222

Objectives

DAch.

4X,

D Ach.

10X,

DAch.

40X,

DAch.

100X

(oil) 1

each 00

D Plan4X,

D Plan10X,

D Plan

40X

D Plan100X

(oil) 01

each 1

each

Eyepieces WHK1OX 222

Photo

eyepiece NFKS'3X

Filter KB-4

001

111

lmmersion

oil,

bottled

Vinyldust

cover

Allen

wrench

111

pcfly.info

II. NOM

ENCLATURE

The Model BHT consists

of various

components

and interchangeable

accessories

shown in the

photo below. A wide varietyof combinations,

standard

or optional,

isavailable

according

to your

req

ments.

Eyepiece

Halogen

lamp

holder

Observation

tube

Microscope

stand

Revolving

nosepiece

pcfly.info

III. ASSEMBLY

This picture illustrates

the sequential

procedure

of assembly.

The numbers

indicate

the

orderof assembly

of various

components.

Remove

dust

caps

before

mounting

components'

Takecare

to keep

all glass

surfaces

clean,

andavoid

scratching

the glass

surface'

NoTE: For numbers

@ @ and@ please

refer

to explanations

detail

onthe

page'

Specimen

holder Observation

tubeclamping

screw

Clamping

scre\n

Condenser

clamPi

screw

NosePiece

I8..,,

Halogen

bulb

riri

@ -5l Halogen

lamp

- +l holcier

Condenser

(The N-A- scale

engravedon the con-

denser shou

ld face the

microscoPe front.)

Microscope

stand ;r --4--Ta- To AC

t-inercorO - @ outlet

Observation

tube

Circular

dovetai

Imount

Explanations

in detail

Mounting the stage

1) Loosen the stage

clamping

screw

O Ov

rotatingcounterclockwise.

(Fig.

2) Insert

the stage

into the mounting dove-

tail of the microscope

standslowly and

lockwith clampingscrew.

Mounting the revolving

nosepiece

1) L-oosen

the nosepiece

clamping

screw

(Fig.2)

2) Aligning the nosepiecedovetail slideto

the mounting

block@, push

the

nose-

piece

slowlyallthe way.

NOTE: Do not tilt or rock the nose-

piece while inserting

into the

mountinq

block.

Mounting the observation

tube

1) Loosen

theclamping

knob

e tutty. pull

spring-loaded

clamping knob O . This

will cause

the locating

pin @ to

withdraw.

(Fig.

3) lf the pin does

not, loosen

the

screw

further until the pin withoraws.

2) Witfrclamping

knob e pulled

out, insert

the circular dovetail of the observation

tube into the ring

dovetail.

3) Tighten

the clamping

knob.

Fis.

Fig.2

Fig.3

IV. IDENTIFICATION

AND

FUNCTION

VARIOUS

COMPONENTS

Sliding

voltage

control

lever

Voltug" lowers

asthe lever

pulled

toward the microscope

front.

Light

path

selector

knob

The knob can be operated

in 3 positionsto deflect

the

light

desired.

Tension

adjustment

rlng

Clockwise

rotation increases

coarse

adjustment

tension'

Coarse

adjustment

knob

Coarse

adjustment

range:

26mm

Fine

adjustment

knob

Stage

clamPing

screw

Loosen

the screw

ano

thestage

canberotated.

Condenser

centering

knobs

Y-axis

low

drive

control

knob

Y excursion

range:50mm

_n Diopter

adjustment

flng

Field

iris

diaPhragm

ring

Arrow mark O +Q indicates

increase

in diaPhragm diameter'

Condenser

height

adjustment

knob

Pre-focusing

lever

Line

cord

<\,\.

-P

Summary of Putting dre Microscope

into Operation

Model BHT

A. Match

the voltage

selector

switch

to localmainsvoltage

(page

g).

B. Switch

on the light

source

(page

9).

C. Place

a specimen

slideon the mechanical

stage

(page

9).

D. Coarse

focus

with the 10X objective

(page

10. 13).

E. Make

interpupillarydistance

and

diopter

adjustments

(page

1l).

F. Adjustthecondenser

position

(page

12).

G. Swingin thedesired

objective.

H. Adjustlightintensity.

l. Finefocus.

J. Adjust

aperture

irisdiaphragm

and

field irisdiaphragm

(page

12).

Adjustment of lllumination Systemfor Various objective Powers

*N.A. issomewhat

low,

but stillcompatible

with a 100X

objective.

(Cut off this page

at dotted line and put it on the wall nearthe microscopefor useasa reminder

of micro-

scopic procedure.)

Objective

magnif

ication Achromatic-

aplanatic

condenser

BH2.AAC

Swing-out

condenser

BH2-SC

Low power

condenser

BH2-UL-C

Compatible

Compatible Swingin

top

lens

oL:yMPus

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