BestScope BS-5040B Manuel utilisateur

Polarizing Microscope

Model Number: BS-5040B/T

Instruction Manual

BS-5040B BS-5040T

To ensure the safety and obtain satisfactory performance and to familiarize yourself fully with the

use of your microscope, we recommend that you read this manual thoroughly before operation.

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

BestScope International Limited

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CONTENT

Attentions

…………………………………………………………………………

1. Parts Name

………………………………………………………………

2. Performance Parameter

………………………………………………………………

3. Installation And Carry

………………………………………………………………

4. Operation And Use

………………………………………………………………

5. Maintenance

…………………………………………………………………………

6. Troubleshooting

…………………………………………………………………………

7. outfits

…………………………………………………………………………

BestScope International Limited

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ATTENTIONS

1. Purpose

This microscope is used only for microscopic observation, can not be used for other purposes.

Otherwise may cause the damage of the instrument.

2. Disassembly only by the professionals.

The microscope has been adjusted before shipping, Unprofessional-person should not

disassemble and remove any other parts.

If you have any questions, please contact with manufacturer or local distributor.

3. Note the input voltage if identical with operating voltage of instruction.

This instrument designed for wide input voltage (100V~240V, 50/60HZ), applicable to most

area. But if the supply voltage exceeds this range, the instrument will be seriously damaged.

4. Use in safe way, prevent burns and fire.

When the Instrument power is in working, temperature of bulb and lamp house

will rise sharply to meet the heat balance, so pay attention to anti-hot logo in case

of be burned.

Do not use alcohol, gasoline, paper and other combustibles near the instrument, to prevent a

fire! !

5. Notes on replacing the bulb.

The instrument used with 6V/20W or 6V/30W halogen lamp of G4, LED model with 3.4V/3W,

replacement should be used with same specifications of the bulb, otherwise may cause

equipment damage.

Before replacing the lamp, must turn off power switch until bulb is cool off, and unplug it in

case of electric shock.!

6. Requirements for handling and using environment

Please cut off the power and unplug the power plug before moving. Be careful not to crush

your finger when placed.

This instrument is a precision instrument, and it should be handle with care, severe shock can

cause serious damage to the inner related parts.

The required available environment for using of the equipment:

Indoor temperature: 0 ℃~ 40 ℃Maximum relative humidity: 85%

High temperature or high humidity may cause mildew, fog or dew of the optical components,

will result in the instrument not work.

7. For the protection of the environment, please properly handle the microscope packing waste

(such as: cardboard, foam, etc ).

BestScope International Limited

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1. Parts Name

Quartz Wedge

Bertrand Lens

Nosepiece

Analyzer change

-over handle

Power Fuse Holde

Power Switch

Condenser

focusing knob

Left Coarse & Fine

focusing adjustment

knob

Body Handle

Coarse & Fine tension

adjustment knob

Centering Nosepiece

Eyepiece

Non-stress Objective

Locking Screw

Condenser

Collector

Eyepiece Tube

Body Handle

Right Coarse & Fine

Focusing Knobs

右粗微动

调焦手轮

Brightness

control knob

λ,λ/4

Compensator

Built-in Polarizer

Clamps

Analyzer driving

lever

Stand

Midbody

Center Adjustable

rotating Stage

Diopter Adjusting

Ring

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2. Performance Parameter

2.1 Magnification (〝O〞is optional)

Objective

Eyepiece

4×

10×

20×

40×

60×(O)

10×

40×

100×

200×

400×

600×

2.2 Objective (〝O〞is optional)

Objective

Field(mm)

Infinity Plan

Achromatic Objective

Numerical

Aperture

N.A.

FOVφ18

Resolution

(μm)

Working

Distance(mm)

4×

0.10

4.5

2.8

6.73

10×

0.25

1.8

1.1

4.19

20×(s)

0.40

0.9

0.69

2.14

40×(s)

0.65

0.45

0.42

0.45

60×(s) (o)

0.80

0.3

0.40

0.19

2.3 Eyepiece

Item

Magnification

FOV（mm）

Reticule cross

10×

Normal eyepiece

10×

2.4 Other Parameters:

(1) Mechanical Tube Length: 160 mm

(2) Viewing Head : Inclined 30°, Seidentopf Binocular(Trinocular) head, Interpupillary

Distance 50～75mm; Dioper Adjusting ±5 ,With antifungus device.

(3) Midbody: Analyser 360°, Division 2°30′,With locking device. Bertrand lens with center

Adjustable, Combining slip with Gypsum (λ) and Mica (λ/4) (Quartz Wedge Is Optional).

(4) Nosepiece: Quadplex, Center Adjustable.

(5) Mechanical stage: Revolving Stage, Diameter Φ158 mm, 360° Uniform Scale, Vernier

Division 6′.

(6) Focusing systems: Coaxial Coarse And Fine Focusing Knobs, Coarse stroke 22mm, up

position is optional; Fine division 2µm, Condenser up-down range 22 mm.

(7) Condenser: Abbe Condenser N.A.1.25, Adjustable Aperture, Aperture Center Can Be

Adjustable, With Polarizer.

(8) Electric components: Input voltage AC100-240V, 50/60Hz.

Output voltage DC1.2V～6V .

Halogen lamp 6V/20W, 6V/30W or 3.4V/3W LED.

Fuse 2A Φ5X20 .

(9) Filter: Blue (Amber, Green, Neutral Is Optional).

BestScope International Limited

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3.Installation And Carry

3.1 Installation Process

3.2 Carry

Microscope is precision instrument, careful in carry. Shut down power supply, pull out power line.

Lock the eyepiece tube and condenser etc, no slice left on stage. Don't move nosepiece, focusing

knob, mechanical stage and eyepiece tube etc, don't make the eyepiece off. Avoid stumble into the

4. take out socket head wrench for use whenever appropriate.

5. take out main body, loosen locking screw, put the seidentopf binocular(trinocular)

head aside.

6. take out midbody, align connector to main body according to fixed direction,

locking fastening screw.

7. plug seidentopf binocular(trinocular) eyepiece tube in midbody, lock it with socket

head wrench.

8. Pull down dust cover, insert two eyepieces in tube, check if in good position.

9. Pull down nosepiece’s dust cover, take out objective and install in sequence for

use.

10. Rotate Coarse focusing knob, lower rotating stage, screwing 10X objective in

objective hole which on the nosepiece’s outer ring with yellow mark, then switching

clockwise the nosepiece, in proper order to install objective.

11. Place filter, compensator and nosepiece centering wrench on side for use.

12. Check instrument if in good condition, switch on and turn on the power, following

operation method to check it if in normal operating condition.

Installation complete!

▲During installing eyepiece, Please screw eyepiece and wrench nosepiece’s cover,

not wrench eyepiece directly.

▲When leaving factory, objective hole with yellow mark has be regarded as basic

hole, centering wrench hole has been sealed, should install 10X objective (yellow

mark line).

▲Please properly dispose packing waste after installation complete.

▲Microscope is precise instrument, so installation should be careful in case

scratching optical lens.

▲Please don’t touch eyepiece or optical lens of condenser with finger, otherwise will

effect normal operation.

1. Confirm the service environment is good for use.

2. Clean working desk, put microscope parts in the left side.

3. Dispose the packing waste properly, don’t left plastic bag or foam on the working

desk.

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chair, violent shocks and collision can cause damage.

a. Single hand carry way: with one hand holding the body, the microscope will be hold by thumb

buttoned filed from inside.

b. Two hands lift way: one hand turn back the microscope slightly by holding body handle, the

another hand holding the microscope’s forepart.

4. Operation And Use

Bright field operation process instruction

△When inspecting to confirm polarizing direction, please finding a cleavage black mica from

mineral slice and place it in center of field, then rotate stage again. Stop rotating when black

mica’s color become very dark, the direction of cleavage seam just present the polarizing

direction.

△In positive cross polarized light, if interference colours of mineral slice is first class grey ,after

insert gypsum (λ) in optical path, please change to second class blue-green if homology radius

is parallel; if synonyms radius is parallel, change first class grey to first class orange color.

△In positive cross polarized light, if interference colours of mineral slice is first class purplish

red ,after insert mica(λ/4) in optical path, please change to second class blue; if synonyms

radius is parallel, lower to first class orange color.

△Analyzer change-over handle can convert optical path, switching observation from mono

polarized light to positive cross polarized light.

△Midbody, analyzer, compensator and Bertrand lens bearing.

1.Compensator socket: can plug in gypsum (λ), Mica (λ/4) or Quartz wedge.

Turn power switch, rotating screw to adjust

brightness of Field.

Place specimen on stage, moving to the light path

until to observe position, gently press clamps,

moving to slice’s both end then fixed.

Rotate nosepiece, put objective10X in light path;

rotate Coaxial Coarse And Fine Focusing handle

wheel to focusing until legible image.(adjust

tension ring to adjust coaxial coarse and fine

focusing circle’s tension.

Polarizing direction is reseted in horizontal level.

(can through complete cleavage black mica

sheet to define polarizing direction.

When polarizer and analyzer located in dial 0°, is

orthogonal each other and FOV will be dark(no

sample),if not, should check polarizing position.

According to mineral slice interference colors, plug

in slider.

1. Switch on the power, adjust brightness.

2. Place Mineral Specimen.

3. Put 10X objective into optical path and

focus.

4. Define polarizing direction.

5.Check polarizer and analyzer is

orthogonal.

6. Use compensator slider.

Observing

7. Observe with Bertrand lens

Conoscopic observation should use high power

eyepiece, push in Bertrand lens when in

orthogonal polarization, to determine mineral’s

optical sign and optic axial angle.

BestScope International Limited

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2.Bertrand lens conversion inserted block: pulling it can convert Bertrand lens in light

path to make conoscopic observation.

3.Gypsum (λ) slip (first class red), Orthogonal polarizing appear first class purplish red

interference colours.

4.Mica (λ/4) slip, Orthogonal polarizing appear first class grey colours.

5.Quartz wedge, Orthogonal polarizing appear first class to four class interference colours from

thin to thick.

5.Maintenance

5.1 Clean

(1) Don’t touch the lens with hand, Dust on lens should be cleaned by soft brush or absorbent

cotton or cleaned by absorbent cotton, lens paper with the mixture of alcohol and ether

(proportion 1:4).

(2) Alcohol and ether all are burnt easily, please take them away from fire. Be careful for turn

on and off power.

(3) Don’t clean painted metal and galvanizing metal with organic solvent such as alcohol, ether

or the mixture of the both. Silicon cloth or soft cleaning preparation is suggested to clean

it.

(4) Plastic should be cleaned by soft cloth with clear water.

5.2 Application environment

(1) Should be in cold and dry environment , without shaking ,dust and steam without

acid-base and other corrosive gas.

(2) Normal operation condition: indoor temperature:　0℃～40℃, maximum relative

humidity: 85%.

(3) High humidity area, recommend with dehydrating unit in case of mildew and frog.

5.3 Bulb Replacement

A . Replacement of halogen.

▲Please use specified bulb in case of damage or fire.

Specified bulb：halogen 6V/20W or 6V/30W, LED 3.4V/3W

LED(According to outfits）.

(1) shut off the power (switch to "○" side), unplug the power

socket;

(2) waiting about 30 minutes until lamp box is cold.

▲Please be sure that the bulb is cool, then follow by the nest operations.

(3) Lay aside the microscope reliably, unscrew the knurled thumb screw of the lamp housing

cover on the underside of base.

(4) Pull the knurled thumb screw gently outward, turn out lamp holder flap.

(5) Confirm the bulb is cold down, Pull out the old bulb carefully.

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(6) Hold a new bulb with silk cloth to avoid fingerprint and dust affect bulb brightness and

service life, and insert fully the contact pins into the bulb socket.

▲Before replace bulb, confirm if bulb connected strongly with the power cable in case of bad

contact.

▲Plug fully contact in bulb socket, or will result in short circuit.

(7) Push back the lamp holder flap, tighten the knurled thumb screw.

▲After working 10 hours，suggesting the suspension of using about half an hour for continue

using.

B. Replacement of LED

（1）Shut off the power

Turn the power switch off, and pull out power wire.

（2）Replacement of LED

In reference to the replacement of halogen,(different

luminescence way, different way of lamp holder).when replace

3W LED, pull out lamp holder and loosen screw to take off damaged lamp, then insert new

into the holes of light rack.

（3）Instrument restoration

According to reverse order, restoring the instrument, cleaning the working stage and adjust

light source for operation.

5.4 Replacement of fuse

(1) First shut off power, pull out the plug.

(2) Unscrew fuse tube socket in back of base, take out old fuse.

(3) Replace with same specification fuse，then plug in fuse tube socket again.

5.5 Not in use:

(1) Please shut off the power , covered by dust cover, keep in dry and cool place.

(2) The eyepiece and objective should be placed in dry containers (such as moistureproof

cylinder) with desiccant.

▲For better performance index, suggest checking the instrument regularly.

Please keep in touch with local agency if finding trouble need maintenance.

BestScope International Limited

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6. Troubleshooting

In the period of using BS-5040 series microscopes, if there is any trouble occurs, please referring

to the following sheet listed some common troubleshooting resolve them or keep in touch with

us or local agency.

Trouble

Causation

Remedy

No bulb

Install bulb

Plug is unreliable

Check joint again

Bulb is broken

Replace bulb

Switch on but bulb dark

Fuse is broken

Replace fuse

Bulb is unstable

Insert again

Bulb is flickering or

brightness is unsteady.

Bulb is broken

Replace bulb

Bulb specification doesn’t meet the

requirement.

Replace bulb

Bulb brightness is low.

Rotate potentiometer to

adjusting brightness.

Objective isn’t in correct optical

path.

Rotate the objective in correct

position.

The size of iris aperture is too

Small.

Adjust the size of iris aperture.

Lens (objective, eyepiece,

condenser, light collector) has

dust.

Clean it

Brightness of view field

isn’t enough or is

uneven.

Position of Condenser is too low .

Adjust condenser properly.

Cover glass of specimen doesn’t

meet the requirement.

Use required thickness cover

glass (0.17mm).

Cover glass of specimen isn’t in up

direction.

Place specimen correctly.

Surface of objective lens Is dirty

(especially it is easy for the front

lens of 40× objective to dip in

immersion oil).

Clean it

Immersion oil isn’t used for

100× objective (oil)

Use immersion oil

Immersion oil doesn’t meet the

requirement.

Use immersion oil supplied by

us.

There is bubble in immersion oil.

Clear the bubble away

Size of iris aperture isn’t proper.

Adjust the size of iris aperture.

Image is not clear

(contrast or definition is

not enough)

Position of condenser is too low.

Readjust again

Objective isn’t in correct

optical path.

Make the objective in correct

position..

One side of image is

dark or image is

moving as focusing.

Specimen isn’t placed correctly.

Place specimen levelly on

stage and clip it with clamp.

Dirt and dust can be

Dirt or dust on bulb glass

Clean it

Ce manuel convient aux modèles suivants

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