BestScope BS-5070B User manual

BS-5070B/T

BS-5070BTR/TTR

Polarizing Microscope

User Manual

To obtain optimum performance and to familiarize yourself fully with the use of your

microscope, we recommend that you read this manual thoroughly before use. Retain this

instruction manual in an easily accessible place near the work desk for future reference.

BS-5070B/T do not have reflected illumination system, for other parts, they are the same

as BS-5070BRT/TTR, the operation is also similar.

BestScope International Limited

Safety notice ……………………………………………………………1

1.Structure and nomenclature……………………………………………4

2. Technical parameter and specification …………………………………7

3. Configuration …………………………………………………………9

4.Assemblage …………………………………………………………10

5. Operation ……………………………………………………………13

6. Maintenance…………………………………………………………19

7. Troubleshooting………………………………………………………20

BestScope International Limited

Safety notice

1. Transportation

As microscope is a precision instrument, handle with care,

avoiding impact or abrupt movement during transportation.

Do not push or pull the microscope during using, otherwise

the precision for image will be reduced.

1.1 Hold the curve and keep the microscope in balance

1.2 Do not hold the focusing knob, eyepiece tubes and stage

as these parts are movable. Troubles maybe caused by such

handles.

Do not make specimen or filters fall off.

Working Environment

2.1 Temperature range is 0℃～40℃and the max. humidity is 85%

2.2 Altitude :<2000m

2.3 Barometric：86KPa～106KPa

2.4 Avoid high temperature and humidification otherwise there will be fog or mold on

the lens

2.5 Keep the environment breezy and cover the microscope with the dust-cover

2.6 Avoid violent vibration as the vibration will reduce the image’s quality

3. Focusing knob

Never turn the left and right focusing knob in the

adverse direction at the same time. Do not turn the

coarse focusing knob when the stage reaches max.

position. These improper operations will make

focusing structure unworkable.

4. Clamp

The clamps fix the microscope firmly during transportation.

Please remove them before using.

5. Do not take the microscope apart

as it will be damaged. Such operations might have bad effect on the performance and

make user get an electric shock or injured. Please contact with manufacturers if there

is any problem.

Never turn the left and right focusing knob in

the adverse direction at the same time

curve

clamp

BestScope International Limited

6. Use the space parts supplied by the manufactures

The bulb, fuse and electronic cord have been assembled already in the factory and

please make sure to use the spare parts of them supplied by the manufacturers.

Improper bulb, fuse and electronic cord will destroy microscope and cause fire. Please

make sure to use PE electronic cord when using extra-long electronic cord.

Spare bulbs: halogen bulb 12V 20W, 12V50W（reflect）

LED lamp 5W(transmission), 10W（reflect）

Spare fuse: 250V 1A delayed model, 5 × 20 minitype fuse

7. Mounting the bulb

Never touch the surface of bulb with your hand directly. Please use gloves or cloth

material when you mount the bulb to avoid leaving fingerprints. Fingerprints or stains

should be wiped off with a tissue moistened with a small amount of alcohol. The

fingerprints will etch on the bulb’s surface and make brightness lower and life cycle

shorter.

Please make sure the bulb’s touching points are Ok as it will not light or short circuit

if the bulb’s touching points are damaged. Insert the bulb’s legs into the bulb holder

firmly. The bulb will go out if its legs have not been inserted into the holder firmly.

Such Operation may cause short circuit or smoking. At last, please make sure if the

collector has been mounted properly

8. Temperature for illumination

There will be high temperature when the bulb is lightened, never move the collector

when the bulb is lightened. Do not touch the bulb within 30 minutes after it has been

gout out. Make sure the bulb has been be cooling enough time (at least 30 minutes) to

avoid scald.

Do not put fibre, papers and incendive things (eg. Gasoline, aether, methanol and

ethanol) close to the bulb.

9.Make sure to turn off the power supply before assembling microscope,

replacing bulb or fuse.

Notice:

The instruction you buy may not including some products mentioned in this

instruction. Safety has been considered during design while users still have the

possibility to be injured and the instruction to be damaged when improper

operation made. Please pay much more attention to read this instruction

carefully before using and keep it properly to make sure it will be got when it is

necessary.

BestScope International Limited

Mark Meaning

1.Hot surface, don_t touch with your hands

2.Read the instruction manual carefully before operating the micuscop

unproper

operation will cause hurt or dameger to the operator and instrumen

3.Switch on

O 4.Switch off

BestScope International Limited

1. Structure and nomenclature

Eve fubes fixture

Bertrand lens

focusing plate

Bertrand lens unit

Transmission/reflect

Conversion switch

Microscope body

Bertrand lens centering

screw

condenser

Revolving round stage

htness ad

ustin

Objective

Nose

iece

Bertrand lens unit

clam

knob

Analyzer

Bertrand lens unit

Binocular head

Cross Eyepiece

Eyepiece

Com

ensator

Reflected illumination

system

Aperture stop

BestScope International Limited

Coarse focusing knob

moment adjusting ring screw

Fine focusing

knobscrew

Consender movement

knobscrew

Fine focusing

Knob screw

Coarse focusing

knob screw

Condenser

centering screw

Objective centering

screw

The top lens of

the condenser

Polarizer knob screw

Clamping knob screw

BestScope International Limited

Lamp house

Knob screw

Mirror selector lever

Polarizer Field stop

knob

Aperture stop

knob

Field stop

centering screw

Aperture stop

centering screw

Color filter

Lamp house

Power plug Power switch

BestScope International Limited

2. Technical parameter and specification

2.1 Optical system: infinity optical system

2.2 Objectives: stress-relieving infinity plan objectives

Magnification NA Cover glass thickness(mm)

4X 0.10 0.17

10X 0.25 0.17

20X 0.40 0.17

40X 0.65 0.17

60X 0.80 0.17

100X (OIL) 1.25 0.17

20X 0.4 0

40X 0.65 0

60X 0.8 0

100X 0.9 0

2.3 Eyepiece:

Category Magnification Field of view（mm）

Eyepiece: 10X 20

Crisscross eyepiece 10X 20

Eyepiece with scale of

crosshair

10X 20

eyepiece with gridding 10X 20

2.4 Total magnification

objective 4X 10X 20X 40X 60X 100X

eyepiece 10X

Total

magnification 40X 100X 200X 400X 600X 1000X

2.5 Nosepiece

BestScope International Limited

Centerable quintuple

2.6 Rotatable stage：

Diameterф160mm，360°scale。Minimum reading 6’by means of vernier scale

2.7 Coaxial Coarse and Fine Focusing System,

Sensitivity and Graduation of Fine Focus: 0.002mm

Focusing movement range：24mm

2.8 Illumination system:

Transmission light：Halogen lamp 12V20W

Reflected light：Halogen lamp 12V50W

2.9 Eye tubes:

Trinocular tube

2.10 Filter:

Blue, green, frosted,gray

2.11 Test plate compensator

λtest plate（first-order red）,1/4λtest plate, Quartz wedge test plate

2.12 condenser：NA=0.9

This manual suits for next models

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