BestScope BS-4000A User manual

Industry Inspection Microscope

Model Number

BS-4000A/B

Instruction Manual

This manual is written for Industry Inspecting Microscope of BS-4000A/B. For safety and for exerting the best

performance, making you familiar with the instrument entirely, it is strongly recommended that you read this

manual carefully before using the microscope.

BestScope International Limited

Contents BS-4000A/B

User Notices

Name of Components

Installation

2-1 Installing steps

Adjustment & Operation

3-1 Adjustment Set Diagram

3-2 Operation

3-3 Microscope Video

3-4 Microscope Photography

Technical Specifications

Trouble Shooting

BestScope International Limited

Use Notices BS-4000A/B

I. Safety note

1. Carefully open the box, avoid the accessories, like lens, dropping to ground and 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 smooth, horizontal and firm enough.

3. When moving the instrument, grip two sides of the bottom of the microscope with your two hands.

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 before replace the halogen lamp or the fuse, then

cut off the power, and do the operation after the lamp bulb and the lamp house completely

cool.(Designated bulb: 6V/20W Halogen Lamp)

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

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

II. Maintenance

1. All the lenses have been well checked and adjusted. It is forbidden to disassemble them yourself.

2. The nosepiece and coarse/fine focus unit have compact and precise frame, please don’t disassemble

them as possible as you can.

3. Keep the instrument clean, wipe dust regularly, and be attention to avoid contaminating the optical

elements especially.

4. The contaminations on the prism, as finger mark and oil, 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 the

ether are all burned easily, do not let them near the fire, and use them in a drafty room as possible as

you can.)

5. Don’t use organic solvent to wipe the non-optical elements, when you need to clean, use the soft

detergent, please.

6. When using, if the microscope is splash by liquid, cut off the power at once, and wipe up the moisture.

7. Do not disassemble any parts of the microscope. That will affect the function or decline the

performance of the microscope.

8. Place the instrument in a cool, dry position. After using the microscope, remember to cover it with dust

helmet. Do wait for the lamp house cooling completely before cover.

！Make sure that the input voltage is consistent with the power supply voltage, or it

will bring a serious damage to the instrument.

BestScope International Limited

1. Name of Components BS-4000A/B

Filter Board

Metallurgical

Illumination System

Eyepiece

Nosepiece

Body

Trinocular Viewing

Head (Fixed)

Stage

Objective

BestScope International Limited

2．Installation BS-4000A/B

2.1 Installing Steps

Fig.1

Fig.2

①

②

③

2.1.1 Installing the Stage (Fig.1-2)

1. Loosen the setscrew①.

2. Push the stage into the holddown groove

②and make the stage touch the retainer③.

3. Tighten the setscrew① until the stage is

installed firmly.

4. Place glass stage in the center of the

mechanical plain stage.

5. Fig.2 shows the station after Installing the

Stage.

BestScope International Limited

BS-4000A/B

2.1.2 Installing the Objective (Fig.3-4)

1. Adjust the coarse focus knob①, till the mechanical

stage to the low limited place.

For ensuring the safety of the instrument during

transportation, the nosepiece is located in the

lowest position and the tension adjustment

collar②is adjusted to an appropriate tension

while leaving the factory.

2. Remove the dust cap of the nosepiece.

3. Screw down the objective to nosepiece from left or

right side, low magnification objective first. Install

all the objective form low to high magnification

following the clock hand.

According to this way to install the objective will

make it easier to change magnification in

operation.

Clean the objective frequently.

At first, use the 10X objective to looking for image,

then change another one.

Turn the objective till hear the “Kai. Kai” sound,

make sure the objective enter the objective

center.

2.1.3 Installing the Eyepiece (Fig.5)

1. Remove the cap of the eyepiece tube.

2. Insert the eyepiece into eyepiece tube until they

are against each other.

Fig.3

①

②

Fig.4

Fig.5

BestScope International Limited

BS-4000A/B

Fig.9

Fig. 10

2.1.4 Mounting the video (photography) adapter

(Fig.6-8)

Insert the video (photography) adapter tube (Fig.6)

into the trinocular viewing head (Fig.7), and screw

down the bolt to fix it, as shown in Fig.8.

2.1.5 Mounting Filters and Polarizer (Fig.9-10)

Insert the filter into the corresponding jack, as shown

in Fig.10.

For polarization observation, insert the polarizer into

the right jack.

★Standard filters include blue, yellow and green filters.

Fig.6

Fig.7

Fig.8

BestScope International Limited

Fig.13

BS-4000A/B

Fig.12

Fig.14

①

②

⑥

⑦

①

Fig.11

2.1.6 Mounting Analyzer (Fig.11)

Insert the analyzer①into the jack under the

trinocular viewing head if necessary, as shown in

Fig.11.

★Analyzer can be used alone or matched with the

polarizer.

2.1.7 Connecting the Power Cord (Fig.12-14)

★Do not force on the Power Cord. The cable and wire

are easier to be damaged when bended or wrapped.

1. Before connecting the power cord, switch the main

On-Off ① to “O”(off).

2. Plug the power cord into the socket ②on microscope

safely. Make sure be connected.

3. Plug the power cord④ into the power source

socket⑤ safely. Make sure be connected.

★Do use the supplied power cord all the time. If lost

or damaged, select the same standard cord, please.

2.1.8 Replacing the fuse (Fig.12-13)

Do remember to turn the main switch① on the state

of “O” (off) before replacing the fuse, and unplug the

power cord. Rotate the fuse kits ⑥ out of the

holder⑦ by the “--”type screwdriver, replace a new

fuse, then rotate back to the holder again.

BestScope International Limited

BS-4000A/B

Fig.16

Fig.17

2.1.9 Installing and replacing the lamp (Fig.15-18)

★Please use the specified halogen Lamp 6V20W.

1. Pull out the lamp-house① as the picture show (Fig.15).

2. Hold to the bulb ①after you wrap it with gauze or

other protection materials, then depress the plugs

②fully into the jack ③ on the lamp house as the

picture show. (Fig.16)

3. Replacing the lamp when using or soon after

When using, or soon after it is turned off, the lamp, the

lamp house and nearby parts will be very hot and will

cause serious burns. Please turn the main switch on

“O” (off), pull up power plug, and make sure the bulb,

the lamp house and periphery are all cool. Then, you

can do your replacing.

Please insert the lamp gently, or it will be damaged by

excessive extrusion.

Do not touch the Halogen bulb with your hands. It will

shorten the service life or cause it to burst. If you leave

fingerprints on the surface carelessly, clean it with a dry

soft cloth.

4. Align the socket① and pins ③and align the bolt②

and the jack④. Then push the lamp-house into the

Illumination Set until covered. (Fig.17-18)

Fig.15

BestScope International Limited

3. Adjustment & Operation BS-4000A/B

3.1 Adjustment Set Diagram (Fig.19)

Coarse

Focus Knob

Fine

Focus Knob

Portrait Adjustment

Knob

Lateral Adjustment

Knob

Interpupillary

Distance

Diopter Ring

Light Switch

View field

Diaphragm

Aperture

Diaphragm

Gather Lens

Adjust Lever

Stage moving Knob

Fig.19

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