BestScope BS-2041FB(LED) Manuel utilisateur

LED Fluorescent Biological

Microscope

BS-2041FB(LED)/FT(LED)

Instruction Manual

This manual is for LED fluorescent biological microscope Model BS-2041FB(LED)/FT(LED). To ensure the

safety, obtain optimum performance and to familiarize yourself fully with the use of this microscope, it is

strongly recommended that you study this manual thoroughly before operating the microscope.

BestScope International Limited

Content

User Notice .................................................................................................. 2

1. Safety Note.........................................................................................2

2. Maintenance and Care........................................................................ 2

LED Fluorescent Part ....................................................................................3

1. Components Name.............................................................................3

2. Installation..........................................................................................4

3. Adjustment and Operation .................................................................5

4. Configuration and Specifications ........................................................6

Microscope Part ...........................................................................................7

1. Components Name.............................................................................7

2. Assembly ............................................................................................8

3. Adjustment and operation................................................................ 13

4．Technical Specifications .................................................................. 18

5．Outfit.............................................................................................. 19

6．Troubleshooting Guide ................................................................... 20

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User Notice

1. Safety Note

1. Open the box carefully to avoid the accessories, like lens, dropping to ground or being damaged.

2. Do keep the instrument out of direct sunlight, high temperature or humidity, dusty and easy

shaking environment. Make sure the stage is flat, horizontal and firm enough.

3. When moving the microscope, carefully carry it with the handle and the base.

4. When running, the lamp house and nearby parts will be very hot. Please ensure there is enough

cooling room for them.

5. Make sure the instrument is earthed, to avoid lighting strike.

6. For safety, be sure the main switch is in “O”(off) state and cut off the power supply before

replacing the bulb or the fuse. If you replace the bulb during use or right after use, allow the

lamp bulb and the lamp house to cool completely before touching.

(Designated bulb：6V/20W Halogen Lamp)

7. Check the input voltage: be sure the input voltage which is signed in the back of the microscope

is consistent with the power supply voltage, or it will bring a serious damage to the instrument.

8. Always use the power cord provided by Novel.

2. Maintenance and Care

1. All the lenses have been adjusted properly; do not dismount them by yourself please.

2. The nosepiece and coarse and fine focusing parts are so delicate that it is forbidden to

disassemble them carelessly by yourself.

3. Keep the instrument clean, and do not pollute the optical element when wiping away the dust

on the instrument.

4. The contaminations on the prism, like fingerprints and oil smudges, could be gently wiped with

a piece of soft cloth or tissue paper, gauze which has been immersed in pure alcohol or ether.

(Note that the alcohol and ether are highly flammable, do keep them away from the fire or

potential sources of electrical sparks, and use them in a drafty room as possible as you can.)

5. Do not attempt to use organic solvents to clean the microscope components other than the

glass components. To clean them, use a lint-free, soft cloth slightly moistened with a diluted

neutral detergent.

6. When using, if the microscope is splashed by liquid, cut off the power at once, and wipe away

the splash.

7. Do not disassemble any parts of the microscope, as this will affect the function or reduce the

performance of the microscope.

8. Place the instrument in a cool, dry position. When not using the microscope, keep it covered

with a dust cover. Make sure the lamp socket is cool before covering the microscope.

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LED Fluorescent Part

This fluorescent attachment is designed for infinite optical system.

1. Components Name

FL-LED fluorescent attachment: (Fig.1)

① Brightness adjustment knob

② Condenser focusing knob

③ Main body of fluorescent attachment

④ Filter subassembly

⑤ Fastening bolt

⑥ Fluorescent objective

⑦ Light barrier control lever

⑧ Power adapter

Electrical parameters:

External electric supply: 110V-240V 50/60 Hz

Input Voltage: DC7.5V 1000mA

Fluorescent illuminator: LED 3W (Blue)

Fig.2

①

③

②

⑥

⑧

④

⑦

⑤

BestScope International Limited

2. Installation

For installation instruction, take BS-2041FB(LED) fluorescent biological microscope for example:

● BS-2041FB(LED) LED Fluorescent Microscope=biological microscope BS-2041B+FL-LED attachment

Fluorescent Microscope Assembly：

1) Loosen the clamping screw① on biological microscope BS-2041B and remove the binocular

viewing head from the body of microscope by revolving it counterclockwise by 90°.

2) Insert the main body of fluorescent attachment into the upper part of the microscope

BS-2041B ,adjust the orientation and tighten the clamping screw①.

3) Insert the binocular viewing head into the main body of the fluorescent attachment, adjust its

orientation and tight the clamping screw② to fix the head.

4) Replace the original biological objective with special fluorescent objectives④.

Fig. 3

NOTE: 1. Both top and bottom illumination system can be used for fluorescent microscope.

But for this fluorescent attachment, only top illuminator can be used while bottom

illuminator is closed. The filter subassembly is set at the middle position (B

excitation state); For normal biological observation, use bottom illuminator while

top illumination is closed. The filter subassembly is set at empty position.

2. It is necessary to adjust biological microscope system firstly before fluorescent

attachment is used.

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3. Adjustment and Operation

3.1 Fluorescent Operation System

3.2 Fluorescent Microscope Operation (Fig.4, Fig.5)

1. Set the filter subassembly① at the middle position to engage B excitation filter into the light path.

2. Connect the power supply onto the microscope, turn on the main switch and adjust brightness

adjustment knob④to a proper intensity.

3. Adjust the condenser focusing knob③to make the field of view full.

4. Place the specimen on the stage for observation and operation.

5. During observation, use the light barrier lever②to obscure the light path so that the main switch is not

open and closed frequently.

● The standard FL-LED fluorescent attachment are equipped with b-excitation filter (in the middle

position). If you need other types of filters, please purchase separately.

Fig.4

Condenser focusing knob③

Main switch and brightness adjustment knob④

Light barrier control lever②

Filter subassembly①

Fig.5

B-stop filter

B-excitation filter

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3.3 Precautions for Operation

1. Check that the power voltage and frequency is consistent with the product requirements.

2. Ensure that the plug is inserted fully and well connected.

3. If only for transmitted light observation (biological microscopy), pull out the filter subassembly or

push inward it to engage the empty position into the optical path.

4. When Using the oil immersion objective (100x), be sure to use specified immersion oil for

fluorescent observation.

5. If you interrupt observation within a short time, use the light barrier to block light.

4. Configuration and Specifications

Components Name

Specifications

Outfit

Fluorescence main body

●

Infinite plan fluorescence

objective

4×, 10×, 40×, 100×

○

Filter subassembly

B excitation

●

Filter subassembly

G excitation

○

Illuminator

3W LED Lamp (465-475nm blue)

● (with B excitation)

3W LED Lamp (520-530nm green)

○ (with G excitation)

Adapter

DC7.5V 1000mA

●

NOTE: “●” Standard outfit ;“○”Optional

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Microscope Part

1. Components Name

Eyepiece

Binocular viewing head

Nosepiece

Objective

Main body

BestScope International Limited

①

②

2. Assembly

2-1 Assembly Diagram

The following figure shows the installation sequence of the components. The number in the figure

shows the assembly steps.

Before installing, be sure every component is clean, do not score any parts or glass surface.

Keep well with hexagon wrench provided. When changing the components, you will need it again.

Main body

Objective

Binocular

viewing head

10X Eyepiece

④

③

Power cord

BestScope International Limited

2.2 Assembly Procedure

Fig.1

Fig.3

Fig.2

2.2.1 Installing binocular viewing head

(Fig.1-2)

Insert the binocular viewing head into the

microscope head and turn it to a proper

position, then screw down the bolt to fix it.

2.2.2 Installing the eyepiece (Fig3-4)

Insert the eyepiece into the eyepiece tube

until they are against each other, as shown

in Fig.4.

Fig.4

Ce manuel convient aux modèles suivants

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