BestScope BS-2064 Series User manual

Version No.: V1.0

BS-2064 Series Biological

Microscope

Instruction Manual

BS-2064B BS-2064T

This instruction manual is for the operation guide, troubleshooting

and maintenance to BS-2064 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-2064 Series 
Before Use 
1. Components............................................................................................................................... 1 
2. Assembling................................................................................................................................. 3 
2-1 Assembling Scheme ......................................................................................................... 3 
2-2 Assembling Steps ............................................................................................................. 4 
3. Operation................................................................................................................................... 7 
3-1 Set Illuminations .............................................................................................................. 7 
3-2 Place the Specimen Slide ................................................................................................. 7 
3-3 Adjust Focusing................................................................................................................ 7 
3-4 Adjust the Focusing Tension ............................................................................................ 8 
3-5 Adjust the Diopter............................................................................................................ 8 
3-6 Adjust the Interpupillary Distance ................................................................................... 8 
3-7 Center the Condenser ...................................................................................................... 9 
3-8 Adjust the Field Diaphragm ............................................................................................. 9 
3-9 Adjust the Aperture Diaphragm .................................................................................... 10 
3-10 Select the Light Path .................................................................................................... 10 
3-11 Use the Eye-cap ........................................................................................................... 11 
3-12 Use the Color Filter ...................................................................................................... 11 
3-13 Use the Oil Objective (100X) ........................................................................................ 11 
3-14 Replace the Fuse.......................................................................................................... 12 
3-15 Assembling and Operation of Simple Polarizing.......................................................... 12 
3-16 Assembling and Operation of Disc Phase Contrast Condenser.................................... 12 
3-16-1 Centering Halo.......................................................................................................... 13 
3-17 Assemble and Use the TV Device ................................................................................. 14 
3-18 Assemble and Use Intermediate Optical Splitter ......................................................... 14 
4. Technical Specifications............................................................................................................ 15 
5. Troubleshooting ....................................................................................................................... 17 
 
 

BestScope International Limited

Before Use BS-2064 Series

1. Operation Notice

1. As the microscope is a high precision instrument,

always operate it with care, and avoid physical

shake during the operation.

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. Following environment is required

when operating: Indoor temperature: 5℃～40℃,

Max relative humidity: 80%.

3. When moving the microscope, use both hands to

hold its back hand-clasping ① and the front base

②, and lay it down carefully (see Fig. 1).

★It will damage the microscope by holding the

stage, focusing knob or head when moving.

4. When working, the surface of light source will be

very hot. Make sure there is enough room around

the light source for cooling.

5. Connect the microscope to the ground to avoid

lightning strike.

6. For safety, make sure the power switch is at “O”

(OFF) and power it off before replacing the bulb

or fuse (See Fig. 2), and wait until both the bulb

and bulb holder have cooled down.

★Bulb selected only: 6V/30W Halogen bulb (philips

5761).

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

Additional transformer is not necessary. Make

sure the power supply voltage is in this range.

8. Use the special wire supplied by our company.

9. All the power OFF devices have been set in the

position where is easy to operate.

2. Maintenance

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

tissue moistened with a little of 3:7 mixture of alcohol and ether or dimethylbenzene.

★Alcohol and ether is flammable. Don’t place these chemicals near to fire or fire

source. Please use them in a ventilated place when turning on/off the electric device.

2. Do not use organic solution to wipe the surface of other components. Please use the

neutral detergent if necessary.

3. If the microscope is damped by the liquid, cut off the power immediately and wipe it

Fig. 1

Fig. 2

BestScope International Limited

dry.

4. Never disassemble the microscope. It will influence its function or damage it.

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

3. Safety Sign

Sign

Signification

The surface gets hot and don’t touch it with bare hand.

Read the introduction before use. Unsuitable operation would lead to

person hurt or instrument faulty.

Main switch is ON.

Main switch is OFF.

BestScope International Limited

1. Components BS-2064 Series

BS-2064 Series Biological Microscope Components

Eyepiece

Trinocular Head

Light Path

Selecting Pole

Inner

Hexagon

Spanner

Objective

Stage

Condenser

Up-down Knob

Condenser Center

Adjusting Screw

Field Diaphragm

Adjusting Ring

Y-axis Moving

Knob

X-axis Moving

Knob

Fine Focusing

Knob

Tension

Adjustment

Knob

Coarse

Focusing Knob

BestScope International Limited

BS-2064 Series

Diopter

Adjustment Ring

Random Upper

Limit Knob

Body

Nosepiece

Condenser

Power

Switch

Fuse

Power

Socket

Light

Source

Group

Fine

Focusing

Knob

Light

Adjustment

Knob

Coarse

Focusing

Knob

FocusArm

BestScope International Limited

2. Assembling BS-2064 Series

2-1 Assembling Scheme

Following is the Assembling Scheme to describe how to assemble the components, 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.

①

②

③

④

⑤

⑥

⑦

⑧

Halogen Bulb

Light Source

Group

Power

Cord

CX40 Body

Stage

Condenser

Trinocular Head

Objective

Eyepiece

BestScope International Limited

BS-2064 Series

2-2 Assembling Steps

2-2-1 Assemble the Halogen Bulb

Hold the bulb ① with clean glove or tissue and insert

the pins ② into the receptacles ③ thoroughly. Make

sure the bulb is vertical (See Fig. 3).

★Don’t touch the bulb with fingers. If there is a

fingerprint left on the bulb, please wipe it with

clean soft cloth.

★Before replacing the bulb, make sure to cut off the

main power and wait for both the bulb base and

bulb cooling down.

★Bulb selected only: 6V/30W Halogen bulb (Philips

5761).

2-2-2 Assemble the Light Source Group

Align the oriented pin① and power pin② on the

light source to oriented holder③ and power

socket④, and then push light source into arm

smoothly and plug it thoroughly. (See Fig. 4)

2-2-3 Assemble the Stage

(1) Loosen the lock-screw① on the stage fully. (See

Fig. 5)

(2) From a rear area of the rounded hole center on

the base, carefully ring the two “V”buttons on the

bottom of the stage into the “V”rounded groove②,

then screw down the lock screw①.

★The stage of different size and shape is available

according to customer.

2-2-4 Assemble the Condenser

(1) Rotate the coarse focusing knob① to raise stage

to the highest. (See Fig. 6)

(2) Rotate the condenser up-down knob② to lower

the condenser bracket to the lowest.

(3) Loosen the condenser lock-screw③ fully.

(4) Swing out the front lens of condenser with the

Fig. 3

Fig. 4

Fig. 5

Fig. 6

BestScope International Limited

BS-2064 Series

scale forward. Make the lock screw of condenser in

alignment with the groove of the condenser stand.

Push the condenser into the innermost of stand.

(5) Screw down the condenser lock-screw③, and

raise the condenser to the highest position with the

condenser up-down knob②.

2-2-5 Assemble the Head

(1) Loosen the head lock-screw① fully. (See Fig. 7)

(2) From a little right position, insert the coattail

interface on the bottom of head into the hole of

middle head with a little left inclined. Keep the two

eyepiece tubes forward, and then screw down the

lock screw①.

2-2-6 Assemble the Objective

Rotate the coarse focusing knob to lower the stage.

Install the objectives into the nosepiece from the

lowest magnification to the highest in a clockwise

direction. (See Fig.8)

★Search and focus the sample by low magnification

objective (5X or 10X) when operating. Then get

change to the high magnification ones according

to the observation requirements.

★When replacing the objective, rotate the

nosepiece until it sounds “ka-da”, to make sure

the objective is in the center of the light path.

2-2-7 Assemble the Eyepiece

(1) Take down the cover of eyepiece tube①. (See

Fig.9)

(2) Insert the eyepiece②into the eyepiece tube,

until touch the bottom.

Fig.7

Fig. 8

Fig.9

BestScope International Limited

BS-2064 Series

2-2-8 Connect the Power Cord

(1) Make sure the power switch is at “O” (OFF). (See

Fig. 10)

(2) Insert one end of power cord① into the power

socket② of the microscope.

(3) Insert the other end of power cord into the power

supply socket.

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

bended or twisted, otherwise it will be damaged.

★Use the special wire supplied by our company. If

it’s lost or damaged, choose one with the same

specifications.

★Connect the power cord appropriately to make

sure the instrument is connected to ground.

Fig. 10

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