BestScope BS-3003 User manual

BS-3003 Long Working Distance Stereo

Microscope

Instruction Manual

Please read the manual before using the microscope.

Contents:

I, The applications

II, Names of the parts, components and accessories

III, Major technical parameters

IV, How to use

V, Lamp & fuse replacement

VI, Maintenance and general care of your microscope

VII, Optional accessories

I, Applications:

Widely used in electronics industry, assembling and inspection of precise

instruments and meters, educational experiments, observation and research. It

can be used in the schools, research institutes, factories and families to study

the geology, out appearance of objects.

II, Names of the parts and accessories:

Base, fixing block, sliding stand, pole, hand clamp, incident illuminator,

Eyepieces, diopter adjustment ring, prism housing, objective, power switch.

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Incident light

Illumination cable

Eyepiece

Fastening knob

Prism housing

connector

Holder

Horizontal pillar

Objective case

Pillar

Switch

Connect spanner

Power cable

Focusing knob

Base

III, Major technical parameters:

1, optical parameters: Field scope, Working distance 230mm

2, electrical parameters: input voltage: 220V 50Hz or 110 60Hz(optional)

Illumination types: 1), natural light 2), The illumination coming from the

source of a ball shaped lamp(A/C 12V/10W or 6V/6W) through the condenser,

becomes soft and brighter. (optional)

3, structure parameters: binocular head inclined 45 degrees

left & right diopter adjustment +/- 5 degrees

inter-pupillary adjustable distance: 55-75mm

IV, How to use:

1, environmental requirement when in use:

Dry and dust-free. Room temperature should be between –5----+40 C

2, Illuminator control: Plug in the power cord and use the switch.

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3, One pair of rubber eye guards is contained inside the packing. They are used

to prevent the extra light from entering the eyepieces, to improve visibility.

4, Focusing, diopter, inter-pupillary adjustments:

Place a specimen onto the stage. Loose the body locking thumb screw and hold

the microscope head and move the body up and down to fix it at the estimated

working distance. Rotate the zooming knob while looking through the right

eyepiece until you see the image. Using the focusing handles to get the

sharpest image of the specimen. Then look through the left eyepiece with your

left eyes and turn the diopter adjustment ring until you get an image as sharp

as the right one. Then grasp the right and left prism housing and move them

closer or farther apart in order to match your pupils’ distance. Adjustment is

proper when the field of view becomes comfortable and presents a full single

field.

V, Lamp and fuse replacement:

Disconnect electric power supply before replacement! Make sure the bulb to be

replaced is not hot.

1, replacement of incident lamp: Take off the incident lamp tube assembly and

you will be able to replace the bulb.

2, Replacement of fuse: Unscrew the fuse holder at the back part of the base

and change the fuse.

VI: Maintenance and general care of your microscope:

1, Microscope is a delicate precision instrument and it may be damaged by

dropping and hitting.

2, Do not keep microscope under sun. It should be kept in a dry and clean

environment and avoid heat and strong tremor.

3, To obtain clear image, do not touch lenses with your finger.

4, All lens surface should be kept clean. If the lens get dusty blow off the dust

with a rubber syringe. If necessary clean the lenses with a lint free cloth dipped

in aether.

5, Do not use any organic material to clean the microscope surface, especially

the plastic surface. It should be cleaned by neutral detergent.

6, Because the assembly of all parts has been done by skilled optical craftsmen

at the factory, you should never attempt disassembly.

7, Apply a little bit grease regularly to the mechanical parts.

8, When not in use always cover the microscope with the dust cover and place

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it in a cool and dry place.

VII, Optional parts:

1, Eyepieces: WF5×/20mm, WF15×/15mm, WF20×/10mm

2, Objectives: 0.5X, 1.0X

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