Olympus BX41 Manuel utilisateur

INSTRUCTIONS

BX41

SYSTEM MICROSCOPE

A X 9 8 5 3

This instruction manual is for the Olympus System Microscope Model BX41. To ensure the safety,

obtain optimum performance and to familiarize yourself fully with the use of this microscope, we

recommend that you study this manual thoroughly before operating the microscope. Retain this

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

BX41

CONTENTS

5-6

7-18

Correct assembly and adjustments are critical for the microscope to exhibit its full performance. If you are going to assemble

the microscope yourself, please read section 7, “ASSEMBLY” (pages 26 to 28) carefully.

IMPORTANT — Be sure to read this section for safe use of the equipment. —

1 NOMENCLATURE

3 USING THE CONTROLS

TRANSMITTED LIGHT BRIGHTFIELD OBSERVATION PROCEDURE

3-1 Base ..................................................................................................................................................................................................................... 7-8

3-2 Focusing Block .......................................................................................................................................................................................... 9

1Voltage Indication; 2Using the Light Intensity Preset Switch; 3Using the Filters

3-3 Stage........................................................................................................................................................................................................... 10- 12

3-4 Observation Tube ..................................................................................................................................................................... 13 - 15

3-5 Condenser ........................................................................................................................................................................................... 16-17

3-6 Immersion Objectives .................................................................................................................................................................. 18

1Using Immersion Objectives

3-7 Objectives with Correction Collar .............................................................................................................................. 18

4 TROUBLESHOOTING GUIDE

5 SPECIFICATIONS

6 OPTICAL CHARACTERISTICS

19-21

22-23

24-25

26-28

PROPER SELECTION OF THE POWER SUPPLY CORD ................................................................. 29-30

1Centering the Condenser; 2Compatibility of Objectives and Condensers

1Placing the Specimen; 2Adjusting the X- and Y-Axis Knob Tension;

3Rotating the Stage; 4Adjusting the Stage Height

1Adjusting the Interpupillar Distance; 2Adjusting the Diopter;

3Using the Eye Shades; 4 Using Eyepiece Micrometer Disks;

5Selecting the Light Path; 6Adjusting the Tilt

Replacing the Fine Adjustment Knob;

Adjusting the Coarse Adjustment Knob Tension;

3Pre-focusing Lever

1-3

ASSEMBLY

— See this section for the replacement of the light bulb. —

IMPORTANT

SAFETY PRECAUTIONS (Fig. 1)

Fig. 1

This microscope employs a UIS (Universal Infinity System) optical design, and should be used only with

UIS eyepieces, objectives and condensers for the BX2 series. (Some of the modules designed for the BX

series are also usable. For details, please consult Olympus or the catalogue.) Less than optimum perfor-

mance may result if inappropriate accessories are used.

1. Install the microscope on a sturdy, level table or bench so as not to block

the air vents on the underside of the base.

Do not place the microscope on a flexible surface, as this could result in

blocking the air vents and cause overheating or a fire.

2. To prevent obstruction of the natural convection-based air cooling of the

microscope, make sure to leave at least 10 cm of free space between

walls or other objects, and the left, right and rear sides of the microscope

and the lamp socket when installing the microscope.

3. To avoid potential shock hazards and burns when replacing the light

bulb, set the main switch @ to “ ” (OFF) then disconnect the power

cord from the wall outlet in advance. Whenever you replace the bulb

during use or right after use, allow the lamp socket ² and bulb to cool

before touching. (Figs. 1 & 2)

Designated bulb 6V30WHAL (PHILIPS 5761)

# The microscope also incorporate a fuse (this should be replaced by

the manufacturer or authorized agent).

4. Make sure the voltage selector switch ³ located on the rear side of the

microscope frame is set to conform with the local supply voltage. (When

shipped from the factory, the switch is set to 220-240 V.)

5. Always use the power cord provided by Olympus. If no power cord is

provided, please select the proper power cord by referring to the section

“PROPER SELECTION OF THE POWER SUPPLY CORD” at the end of

this instruction manual. If the proper power cord is not used, product

safety and performance cannot be guaranteed.

6. Always ensure that the grounding terminal of the microscope and that

of the wall outlet are properly connected. If the equipment is not grounded,

Olympus can no longer warrant the electrical safety and performance of

the equipment.

7. Never insert metallic objects into the air vents of the microscope frame

as this could result in electrical shock, personal injury and equipment

damage.

8. The power cord may be melt by the heat of lamp socket if the cord

comes in contact with it. Distribute the power cord at an enough dis-

tance from the lamp socket.

Fig. 2

BX41

Symbol Explanation

Safety Symbols

The following symbols are found on the microscope. Study the meaning of the symbols and always use the equip-

ment in the safest possible manner.

Indicates that the surface becomes hot, and should not be touched with bare hands.

Before use, carefully read the instruction manual. Improper use could result in personal injury to

the user and/or damage to the equipment.

Indicates that the main switch is ON.

Indicates that the main switch is OFF.

Warnings

Warning engraving/stickers are placed at parts where special precaution is required when handling and using the

microscope. Always heed the warnings.

Warning engraving

position Lamp socket

(Warning against high temperature)

Warning sticker

position

Microscope frame rear panel

(Warning against high temperature)

Should warning stickers become soiled, peeled off, etc., contact Olympus for replacement.

Fig. 3

1Getting Ready

1. A microscope is a precision instrument. Handle it with care and avoid

subjecting it to sudden or severe impact.

2. Do not use the microscope where it is subjected to direct sunlight, high

temperature and humidity, dust or vibrations. (For the operating condi-

tions, refer to section 5, “SPECIFICATIONS”.)

3. When moving the microscope, carefully carry it with the grasping part on

the rear of the arm and the base as shown in Fig. 3 (Weight: approx. 13

kg).

# If an intermediate attachment hinders you grasp the grasping part

on the rear, remove the intermediate attachment before carrying.

# Damage to the microscope will occur if you grasp it by the stage,

coarse/fine adjustment knob or binocular section of the observa-

tion tube.

4. The BX41 can be used with up to two intermediate attachments (e.g. a U-

CA magnification changer, U-EPA2 eyepoint adjuster, etc.). For restrictions

when using two intermediate attachments, make sure to read the in-

struction manual provided with the respective intermediate attachments.

# Be careful in attaching the U-TRU trinocular attachment horizontally,

for this makes the entire microscope unstable.

The following symbols are used to set off text in this instruction manual.

: Indicates that failure to follow the instructions in the warning could result in bodily harm to the

user and/or damage to equipment (including objects in the vicinity of the equipment).

# : Indicates that failure to follow the instructions could result in damage to equipment.

} : Indicates commentary (for ease of operation and maintenance).

1. Clean all glass components by wiping gently with gauze. To remove fingerprints or oil smudges, wipe with gauze slightly

moistened with a mixture of ether (70%) and alcohol (30%).

Since solvents such as ether and alcohol are highly flammable, they must be handled carefully. Be sure to keep

these chemicals away from open flames or potential sources of electrical sparks –– for example, electrical equip-

ment that is being switched on or off. Also remember to always use these chemicals only in a well-ventilated

room.

2. The filter mount lens on the base is made of plastic. Do not rub it with a strong force to prevent damaging it.

3. 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.

4. Do not disassemble any part of the microscope as this could result in malfunction or reduced performance.

5. When not using the microscope, keep it covered with a dust cover.

2Maintenance and Storage

3Caution

If the microscope is used in a manner not specified by this manual, the safety of the user may be imperiled. In addition,

the equipment may also be damaged. Always use the equipment as outlined in this instruction manual.

BX41

NOMENCLATURE

} If you have not yet assembled the microscope, read section 7, “ASSEMBLY” (pages 26 to 28).

Interpupillary distance adjustment scale (Page 13)

Diopter adjustment ring

(Page 13)

Slide holder (Page 10)

Aperture iris diaphragm ring

(Page 17)

X-axis knob (Page 11)

Y-axis knob (Page 11)

Pre-focusing Lever (Page 9)

Filter mount (Page 7)

Field iris diaphragm ring

(Page 16)

Allen screwdriver

Condenser height

adjustment knob (Page 16)

Voltage indicator LED

Main switch (Page 1)

Light intensity preset

switch (Page 7)

Light intensity preset

adjustment screw

(Page 7)

Fine adjustment knob (Page 9)

Coarse adjustment knob (Page 9)

Coarse adjustment tension adjustment ring (Page 9)

Brightness adjustment knob (Page 7)

(Lamp voltage adjustment knob)

(accommodation position)

(Detachable)

(Controls Used) (Page)

Set the main switch to “ I ” (ON) and adjust

the brightness.

@Main switch

²Brightness adjustment knob (P. 7)

Select the light path (trinocular tube). ³Light path selector knob

Place the specimen on the stage. |Slide holder

ƒX/Y-axis knobs

Engage the 10X objective in the light path. …Revolving nosepiece

Bring the specimen in focus. †Coarse/fine adjustment knobs

Adjust the interpupillary distance.

Adjust the diopter.

Adjust the light axis.

‡Binocular tube

ŠDiopter adjustment ring

‰Condenser height adjustment

knob

‹Condenser centering knob

Adjust the aperture iris and field iris

diaphragms. ŒAperture iris diaphragm ring

™Field iris diaphragm ring

Engage the desired objective in the light path

and bring the specimen in focus. …Revolving nosepiece

Insert the required filters. šFilter mount

Adjust the brightness. ²Brightness adjustment knob

Start observation.

(P. 14)

(P. 10)

(P. 11)

(P. 9)

(P. 13)

(P. 16)

(P. 17)

(P. 16)

(P. 7)

TRANSMITTED LIGHT BRIGHTFIELD OBSERVATION

PROCEDURE

(P. 7)

BX41

³(Trinocular observation tube only)

…

†

‡

‰

‹

} Copy the observation procedure pages on separate sheets and post it near your microscope.

™

†

USING THE CONTROLS

3-1 Base

Fig. 4

1. Turn the brightness adjustment knob @ clockwise to increase the volt-

age and make illumination brighter.

2. The numerals ² below the knob indicate the approximate voltage.

2Using the Light Intensity Preset Switch (Fig. 5)

}The light intensity preset switch @ makes it possible to limit the light

intensity to a preselected level regardless of the position of the bright-

ness adjustment knob. The light intensity preset switch has been set to

about 4 V at the factory.

1. Press the light intensity preset switch @ to the ON position. (The face of

the switch lights when it is ON.)

2. Using a small flat-blade screwdriver, turn the preset adjustment screw ²

to obtain the required light intensity. Turning the screw clockwise increases

brightness.

3. When the light intensity preset switch is set to OFF, the brightness returns

to the level set by the brightness adjustment knob.

}While the light intensity preset switch is ON, turning the brightness ad-

justment knob does not affect brightness.

Fig. 5

3 Using the Filters (Figs. 6 - 10)

}You can place a filter in the light path with either method.

· Place a filter on the filter mount on the base and engage in the light path.

(Page 7)

· Insert a filter in the U-FC filter cassette, attach it on the filter mount and

engage it in the light path by sliding the filter level. (Page 8)

Mounting a Single Filter (Fig. 6)

Fig. 6

A filter with a diameter of 45 mm can be placed on the filter mount on the

base. If you need to place multiple filters, please purchase the U-FC filter

cassette.

# Even when a filter cassette is used, a filter with thickness of no more

than 3 mm can still be placed on the filter mount.

1Voltage Indication (Fig. 4)

BX41

45LBD-IF* Color balancing filter

45ND-6, 45ND-25 Neutral density filter

45G-530, 45G-533, 45IF550* Green

45Y-48 Yellow

45O-560 Orange

Using the Filter Cassette (Figs. 7 - 10)

Fig. 7

Fig. 8

Fig. 9

Fig. 10

Loading Filters into Filter Cassette

}The filter cassette accommodates filters with a diameter of 45 mm and

thickness of 2.7 mm or less.

}The filter cassette has two filter levels on the right side and one on the left

side.

1. Move all filter levers to the OUT position except for the one belonging to

the slot into which the filter is to be inserted.

2. Slide lever @ to the IN position. Make sure that it clicks securely into

place. (Fig. 7)

3. Holding the lever in the position shown in Fig. 7, put the filter into the

cassette by inserting it in the direction indicated by the arrow.

4. Insert the other two filters in the same manner.

Mounting the Filter Cassette

1. Fully loosen the filter cassette clamping screw ². (Fig. 8)

2. Align the key ³ on the bottom surface of the filter cassette with the

positioning slot | on the filter mount, then snap the filter cassette into

place from above.

3. Rotate the filter cassette to align its sides with the base. (Fig. 9)

4. Align the clamping screw ² with the positioning hole ƒ on the filter

mount, then tighten the screw to fasten the filter cassette.

#When the filter cassette is installed, the condenser may hit it when

the stage is lowered. Therefore, exercise caution when lowering the

stage with the filter cassette installed.

Up to three of the above filters can be loaded in the filter cassette. Mov-

ing the levers … on the left and right sides of the cassette to the IN

position brings the corresponding filter into the light path.

* When an IF (Interference) filter is used, flare or ghost may be observed.

The flare or ghost may be reduced by additionally using an ND filter with

the IF filter.

Usable Filters

Using the Filter Cassette (Fig. 10)

Applications

B&W contrast filter

…

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