BestScope BS-5092 Series User manual

This manual is for the Polarizing Microscope Model BS-5092. To obtain optimum performance and to familiarize

yourself fully with the use of your microscope, we recommend that you read this manual thoroughly before use.

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

BS-5092 Series Polarizing Microscope

BS-5092

BS-5092RF

BS-5092TRF

InstructionManual

BestScope International Limited

CONTENTS BS-5092

CONTENTS ………………………………………………………… 1

USER NOTIECE …………………………………………………… 2

1、NOMENCLATURE ………………………………………………… 4

2、ASSEMBLY……………………………………………………………… 5

2-1.Assembly Diagram …………………………………………………… 5

2-2.Detailed Assembly Procedure………………………………………… 6

3、USING THE CONTROLS…………………………………………… 9

4、POLARIZED LIGHT OBSERVATION ……………………… 11

5、SPECIFICATIONS…………………………………………………… 13

BestScope International Limited

USERNOTICE BS-5092

Ⅰ.Safety Precautions

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, please use two hands to grip with the two sides of the

microscope body.

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:. 24V/100W halogen lamp)

7. Use the factory supplied power cord, please.

8. 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 a compact and precise frame, so 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 xylene.

(Note that the alcohol and the xylene 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

BestScope International Limited

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.

BestScope International Limited

1.NOMENCLATURE BS-5092

Video port

Eyepiece

Objective

Revolving round stage

Lamp housing

Trinocular viewing head

Reflected illumination system

Bertrand lens unit

Main body

BestScope International Limited

2.Assembly BS-5092

2-1 Assembly Diagram

The diagram below shows how to assemble the various components. The numbers indicate

the order of assembly.

When assembling the components, make sure that all parts are free of dust and dirt,

and avoid scratching any parts or touching glass surfaces.

Keeping the hexagon- spanner well, when change the spare parts, you will use it.

①

②

③

④

⑦

⑤

⑥

②

⑧

⑨

⑩

BestScope International Limited

Fig.2

③

Fig.1

Fig.3

Fig.4

2-2DetailedAssemblyProcedure BS-5092

2-2-1 Installing the Polarizing Stage

Support Device

1. Before installing the device, be sure to

adjust the coarse focus knob①. Make

the guide board②(see figure 1) down

to the lowest position, so you can

install the mechanical stage support

device easily.

2. Hold on the mechanical stage support

device (figure 2), place it from the top

of the guide board (figure 1), and let

the device (figure2) falling free until it

reach the limit position. Use the

hexagon wrench screw down the

locking block ③to make the stage

support device and the guide board

fixed together.

2-2-2Mouting Revolving Round

Stage

1. Loosen the centering knobs④。

2. Position the stage with the venire scale

⑤in front, and carefully lower the stage

onto the round dovetail on the stage

bracket⑥with the positioning pin on

the stage aligned with the groove on the

front of the stage bracket, then loosely

tighten the centering knobs④. Turn the

stage to check it is mounted properly,

finally tighten the centering knob.

Mounting Stage Clips

Insert the stage clips securely into any two

holes⑦on the stage top surface.

Mounting Polarizing Ruler

Insert the positioning pins on the underside

of the ruler into the positioning holes⑧on

the stage surface, using the Allen

screwdriver provided with the microscope

②

①

④

⑤⑥

⑦

⑧

BestScope International Limited

Fig.5

Fig.7

Fig.6

BS-5092

2-2-3 Installing the Objective

1. Adjusting the coarse focus knob until the support

device of the mechanical stage reach its low limit

position.

2. Insert the 10X objective into the primary hole

(which without centering holes on its sides) on the

nosepiece, then push the nosepiece clockwise and

install other objectives by the sequence of low to

high magnification ( figure 5).

Installing objective in this way will make the

change of magnification to be easier while in

using.

Clean the objective regularly as it is very

sensitive to dust.

When operating, use 10 ×magnification

objective to search specimen and focus firstly,

then replace with higher magnification

objective if necessary.

When replacing the objective, slowly turning

the nosepiece until you hear “clicked”, that

means the objective enter the required

position--the light path center.

2-2-4Mounting reflected illumination system

(Fig.6)

1. Mount the Illumination System①into the round

dovetail on the head of the microscope body

properly and use the Allen screw driver to tighten

the set screw②to fix it.

2-2-5 Mounting Bertrand lens unit (Fig.6)

1. Mount the Bertrand lens unit③into the round

dovetail on the reflection Illumination System①t

properly and use the Allen screw driver to tighten

the set screw④to fix it.

2-2-6 Mounting trinocular viewing head (Fig.7)

1. Mount the trinocular viewing head⑤onto the

illumination system properly and use the Allen

screw driver to tighten the bolt⑥）to fix it.

①

②

③

④

⑤

⑥

⑦⑧

BestScope International Limited

Fig.9

Fig.8

BS-5092

2-2-7 Installing the Video Port (Fig.7)

Insert the video port ⑦into the trinocular viewing head, then screw down the bolt⑧to fix it.

2-2-8 Installing the Eyepiece (Fig.7)

Insert the eyepiece into the eyepiece tube until they are against each other.

2-2-9 Installing the lamp house

1. Push the lamp house into the illumination kits (Fig. 8)

gently until they are against each other, turn to a proper

position and then screw down the bolt①to fix it.

2. Insert the power plug②into the power jack of the

microscope③/④, and screw down the bolt to fix it.

For transmitted light illumination, the power jack③is

used. For reflected light illumination, the power jack④is

used.

2-2-10 Mounting Polarizer and Analyzer

1. Insert the polarizer⑤into its slot with the silkscreen

surface toward the front and make it in the light path

center.

2. push the analyzer⑥into its slot.

NOTE: the polarizer and analyzer are engaged when

pushed in to the second click-stop position. To

disengaged the polarizer and analyzer, and to place the

empty hole in the light path, pull the analyzer out to the

first click-stop.

2-2-11 Mounting Test Plate Compensator

1. Insert the optical compensator⑦into the test plate

adapter, and securely tighten the clamping knob⑧,as

shown in fig.9.

①

②③ ④

⑤

⑥

⑦

⑧

BestScope International Limited

3.USINGTHECONTROLS BS-5092

Polarizer

检偏器

Polarizer clamping

Compensator

Vernier scale

平台支紧螺钉

Polarizing

调节旋钮

起偏器转环

勃氏镜转盘

Analyzer

Bertrand lens unit

Bertrand lens

focusing plate

Compensator

clamping knob

Polarizer clamping knob

Polarizer rotation ring

Polarizing ruler

adjustment knob

Stage rotation

clamping knob

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