BestScope BS-2026 Series User manual

Version No.: V1.0

BS-2026 Series Biological

Microscope

Instruction Manual

BS-2026M BS-2026B BS-2026BD1

This instruction manual is for the operation guide, troubleshooting and

maintenance to the BS-2026 series biological microscope. Please study this manual

thoroughly before operating, and keep it with the instrument. The manufacturer

reserves the rights to the modifications by technology development. On the basis

of operation ensured, technical specifications may be subject to changes without

notice.

BestScope International Limited

Contents BS-2026 Series

Before Use

1. C o m p o n e n t s ………………………………………………………………………..……...1

2. A s s e m b l i n g …. . . …….……………………………………………………………………...4

2- 1 A s s e m b l i n g S c h e m e …………………………………. . . . …………………………….4

2-2 As semb lin g Ste ps …… …………… …… … ..………………..….…………………5

3 . O p e r a t i o n s …………………………………………………………………………….……. 7

3-1S e t I l l u m i n a t i o n … … … … .………….………………………………………..7

3-2 Place t he Specimen Slide ..……….…………….…………………………...7

3-3 A d j u st t h e F o c us …………………………………...…….…………..…..... 7

3-4 Adjust the Focusing Tension …......……………………………………….….7

3-5 Aperture Diaphragm …………………………………………………………………………………………………8

3-6 Use the Oil Objective (100X)……………………………………………………………………………….….8

3-7 Use binocular head /trinocular head

（

Optional

）

……………………..........9

3-8 Use mechanical platforms

（

Optional

）

…………………………………………………………………..9

3-9 S t o r e t h e P o w e r C o r d …………………………………………………………………..10

4. T r o u b l e s h o o t i n g …………………………………………………………………….……...11

BestScope International Limited

Before Use BS-2026 Series

1. Operation Notice

1. As the microscope is a high precision

instrument, always operate it with care, and avoid

physical vibrations.

2. Do not expose the microscope in the sun

directly, either not in the high temperature, damp,

dust or acute shake. Make sure the worktable is

flat and horizontal.

3. When moving the microscope, keep holding the

rear cover hand clasp①and the front end of

microscope body②with each hand. Handle with

care. (See Fig. 1)

★It will damage the microscope by holding the

stage, focusing knob or head when moving.

4. Connect the microscope to the ground to avoid

lightning strike.

5. For safety, make sure the power knob① is

rotated counterclockwise to the minimum before

replacing the bulb, and wait until the bulb and

base cool down completely (see Fig. 2).

★Bulb selected only: single 5050 LED

6. Wide voltage range is supported as 100~240V.

Additional transformer is not necessary. Make

sure the power supply voltage is in this range.

7. Use the special wire supplied by our company.

Fig.1

Fig.2

BestScope International Limited

BS-2026 Series

2. Maintenance

1. Wipe the lens gently with a soft tissue. Carefully wipe off the oil marks and fingerprints

on the lens surfaces with a tissue moistened with a small amount of 3:7 mixture of alcohol and

ether or dimethylbenzene.

★As the alcohol and ether is flammable, don’t place these chemical near to fire or fire

source. For example, when turning on or turning off the electrical device, please use these

chemical in a ventilated place.

2. Don’t use organic solution to wipe the surfaces of the other components. Please use the

neutral detergent if necessary.

3. If the microscope is damped by liquid when using, please power it off immediately and

wipe it dry.

4. Never disassemble the microscope, otherwise the performance will be affected or the

instrument will be damaged.

5. After using, cover the microscope with a dust cover.

3. Safety Sign

Sign

Signification

Study the instructions before use. Unsuitable operation would lead to

person hurt or instrument faulty.

BestScope International Limited

1. Components BS-2026 Series

BS-2026M

Eyepiece

Fine Focusing

Knob

Coarse

Focusing Knob

Body Group

Objective

Stage

Condenser

Lock Screw

Indicator Light

Light Adjustment Knob

Nosepiece

Monocular Head

BestScope International Limited

BS-2026 Series

BS-2026B

Objective

Stage

Illuminator

Fine Focusing Knob

Coarse Focusing Knob

Tension

Adjustment

Ring

Body

Group

Binocular Head

Eyepiece

BestScope International Limited

BS-2026 Series

BS-2026T

Eyepiece

Trinocular Head

Fine Focusing

Knob

Coarse Focusing

Knob

Body Group

Objective

Stage

Condenser

Lock Screw

Indicator

Light

Light Adjustment Knob

Nosepiece

Vertical

Adjustment

Knob

Horizontal

Adjustment

Knob

BestScope International Limited

2. Assembling BS-2026 Series

2-1 Assembling Scheme

Following is the Assembling Scheme, and the numbers denote the assembling order.

★Before assembling, make sure there is no dust, dirt or other materials which will disturb it.

Assemble carefully and do not scrap any part or touch the glass surface.

Eyepiece

Objective

Power Cord

BestScope International Limited

BS-2026 Series

2-2 Assembling Steps

2-2-1 Assemble the Objective

1. Rotate the coarse focusing knob①to lower the

stage to a suitable position (see Fig.3).

2.Then install the objectives into the nosepiece②

from the lowest magnification to the highest in

clockwisedirection.

★When operating, first use the low magnification

objective (4X or 10X) to search for specimen and

focus, and then replace with high magnification

objective to observe.

★When replacing the objective, rotate the

objective nosepiece until it sounds “click”, to

make sure the objective wanted is in the center of

optical path.

2-2-2 Assemble the Eyepiece

1. Take down the cover of eyepiece tube①.

2. Insert the eyepiece② into the eyepiece tube,

until it touches the surface.

3. Tighten eyepiece with M2.5 inner hexagon

lock-screw③(see Fig.4).

2-2-3 Connect the Power Cord

★Don’t use strong force when the power cord is

bended or twisted, otherwise it will be damaged.

1. Make sure the light adjustment knob is at

“O”(OFF) before connecting the power cord.

2. Insert the connector①of into the power

socket②, and make sure it connects well (Fig.5).

3. Insert the other connector into the socket of

power supply, and make sure it connects well.

4.There are rechargeable batteries at the bottom of

the microscope. Open the battery box to replace

the battery (see Fig.6).

Fig.3

Fig.4

Fig.5

BestScope International Limited

BS-2026 Series

★Use the special wire supplied by our company.

If it’s lost or damaged, choose one in the same

specifications.

★Wide voltage range is supported as 100~240V.

★Connect the power cord appropriately to make

sure the instrument is connected to ground.

Fig.6

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