Olympus BX51M Manuel utilisateur

INSTRUCTIONS

BX51M

SYSTEM METALLURGICAL

A X 7 6 0 9

This instruction manual is for the Olympus System Metallurgical Microscope Model BX51M. 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 micro-

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

reference.

This publication is printed on 100% recycled paper

MICROSCOPE

NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device,

pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection

against harmful interference when the equipment is operated in a commercial environment. This

equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in

accordance with the instruction manual, may cause harmful interference to radio communications.

Operation of this equipment in a residential area is likely to cause harmful interference in which case

the user will be required to correct the interference at his own expense.

FCC WARNING: Changes or modifications not expressly approved by the party responsible for compliance

could void the user’s authority to operate the equipment.

BX51M

CONTENTS

5-6

7-16

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

1 NOMENCLATURE

3 USING THE CONTROLS

REFLECTED LIGHT BRIGHTFIELD/DARKFIELD OBSERVATION PROCEDURE

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

3-2 Focusing Block ................................................................................................................................................................................... 8-9

1Voltage Indication 2Using the Light Intensity Preset Switch

3-3 Reflected Light Brightfield/Darkfield Illuminator (BX-RLA2)............................................ 9-11

3-4 Stage............................................................................................................................................................................................................ 12-14

3-5 Observation Tube ..................................................................................................................................................................... 15-16

4 OBSERVATION METHODS (Using BX-RLA2) 17- 19

1Adjusting the Interpupillar Distance 2Adjusting the Dioper

3Using the Eye Shades 4Using Eyepiece Micrometer Disks

Selecting the Light Path of the Tinocular Tube

Adjusting the Tilt (with the U-TBI3/SWETTR2)

1Selecting the Light Path 2Centering the Field Iris Diaphragm (FS)

3 Centering the Aperture Iris Diaphragm (AS) 4Using the ND Filter Knob

5Using the Filters

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

3Using the Y-Axis Lock Lever 4 Rotating the Stage

5Adjusting the Stage Height

1Adjusting the Focus

2Replacing the Fine Adjustment Knob

3Adjusting the Coarse Adjustment Knob Tension 4Pre-focusing Lever

1-3

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 chapter 8, “ASSEMBLY” (pages 27 to 29) carefully.

5 TROUBLESHOOTING GUIDE

6 SPECIFICATIONS

20-22

7 OPTICAL CHARACTERISTICS <<UIS2 (UIS) Series>>

24-26

27-29

PROPER SELECTION OF THE POWER SUPPLY CORD ....................................................................... 30-31

ASSEMBLY

—

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

4-1 Reflected Light Brightfield/Darkfield Observation.............................................................................. 17

4-2

Reflected Light Nomarski DIC (Differential Interference Contrast) Observation

.............. 17- 19

4-3 Reflected Light Simplified Polarized Light Observation ............................................................ 19

IMPORTANT

This microscope employs a UIS2 (UIS) (Universal Infinity System) optical design, and should be used only

with UIS2 (UIS) eyepieces, objectives and condensers for the BX2 series. (Some of the modules de-

signed for the BX series are also usable. For details, please consult Olympus or the latest catalogue.)

SAFETY PRECAUTIONS

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.

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

the arm as shown in Fig. 1 (Weight: approx. 15 kg).

#Damage to the microscope will occur if you grasp it by other parts

including the stage, lamp socket or tube.

#Before transporting the microscope, be sure to remove the speci-

men and eyepieces so that they will not drop. Also remove other

modules attached to the microscope because they increase the

system weight.

3. The surface of the lamp housing @ becomes very hot during operation.

Before installing the lamp housing, be sure to reserve enough space

around, particularly above, the lamp housing.

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

bulb, set the main switch ² 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 housing @ and bulb to cool

before touching (Fig. 2).

Fig. 1

Fig. 2

²Designated

halogen bulbs 12V100WHAL-L (PHILIPS 7724)

12V50WHAL-L (LIFE JC)

#The microscope also incorporates a fuse (this should be replaced

by the manufacturer or authorized agent).

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 chapter

“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 metal objects, etc. into the air vents of the microscope frame

as this could result in electrical shock and personal injury.

8. The microscope system will be unstable when its height is increased by

attached accessories. Take proper measures so that the system will not

topple down.

BX51M

Symbol Explanation

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.

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 housing (U-LH100-3)

(Warning against high temperature)

Safety Symbols

Warnings

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 conditions, refer to chapter 6, “SPECIFICATIONS”.)

3. The BX51M can be used with an intermediate attachment such as a U-CA magnification changer or U-EPA2 eyepoint

adjuster.

2Maintenance and Storage

1. To clean the lenses and other glass components, simply blow dirty away using a commercially available blower and wipe

gently using a piece of cleaning paper (or clean gauze).

If a lens is stained with fingerprints or oil smudges, wipe it gauze slightly moistened with commercially available absolute

alcohol.

!Since the absolute alcohol is highly flammable, it must be handled carefully.

Be sure to keep it away from open flames or potential sources of electrical sparks –– for example, electrical

equipment that is being switched on or off.

Also remember to always use it only in a well-ventilated room.

2. 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.

3. Never attempt to disassemble any part of the microscope.

4. When not using the microscope, make sure that the lamp socket has cooled down sufficiently and then cover the

microscope with a dust cover.

5. When disposing of the microscope, check the ordinances and rules of your local authority and follow them.

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.

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).

BX51M

NOMENCLATURE

}If you have not yet assembled the microscope, read chapter 8, “ASSEMBLY” (pages 27 to 29).

}This illustration shows the BX-51RF microscope frame with the BX-RLA2 reflected light brightfield/darkfield illuminator in-

stalled on it. For the nomenclature of the BX-URS2 universal illuminator, please refer to its instruction manual.

Polarizer insertion slot (Page 17)

Analyzer insertion slot

(Page 17)

Interpupillary distance

adjustment scale (Page 15)

Diopter adjustment ring

(Page 15)

Mirror selector lever (Page 9)

ND filter knob (Page 11)

DIC slider insertion slot

(Page 18)

Stage plate (Page 12)

Fine adjustment knob (Page 8)

Pre-focusing lever (Page 9)

Brightness adjustment knob (Page 7)

Light path selector knob (Page 16)

FS centering screw (Page 10)

Field iris diaphragm (FS) knob (Page 10)

Filter insertion slot (Page 11)

Allen screwdriver

AS centering screw

(Page 10)

Aperture iris diaphragm

(AS) knob (Page 10)

Main switch (Page 1)

Lamp voltage indicator

(Page 7)

Light intensity preset

switch (Page 7)

Light intensity preset adjustment

screw (Page 7)

Y-axis knob (Page 13)

X-axis knob (Page 13)

Coarse adjustment knob (Page 8)

Coarse adjustment tension adjustment ring (Page 8)

(Detachable)

(Lamp voltage adjustment knob)

#The filter should be inserted

from the left.

(accommodation

position)

REFLECTED LIGHT BRIGHTFIELD/DARKFIELD

OBSERVATION PROCEDURE

}The following flow shows the basic operating procedure for reflected light brightfield or darkfield observation. The operating

procedures for polarized light and Nomarski DIC observations will be described separately in their descriptions.

(Controls Used) (Page)

Select the brightfield (BF) or darkfield (DF) ob-

servation.

Set the main switch to “ I” (ON).

Disengage the analyzer, polarizer,

filter, etc. from the light path.

Check interlocking of the ND filter.

Select the light path (trinocular tube only).

Place the specimen on the stage.

Engage the 10X objective in the light path.

Bring the specimen in focus.

Adjust the brightness.

Adjust the interpupillary distance.

Adjust the diopter.

Adjust the aperture iris diaphragm and field iris

diaphragm.

} Open both iris diaphragms in case of DF ob-

servation.

Engage the desired objective in the light path

and bring the specimen in focus.

Insert the required filters.

Adjust the brightness.

Start observation.

@ Mirror selector lever (P. 9)

² Main switch

³ ND filter knob (P. 11)

| Light path selector knob (P. 16)

ƒ Stage plate (P. 12)

… X/Y-axis knobs (P. 13)

† Revolving nosepiece

‡ Coarse/fine adjustment knobs (P. 8)

Š Brightness adjustment knob (P. 7)

‰ Binocular tube (P. 15)

‹ Diopter adjustment ring (P. 15)

Œ AS knob (P. 10)

™ FS knob (P. 10)

† Revolving nosepiece

‡ Coarse/fine adjustment knobs (P. 8)

š Filter insertion slot (P. 11)

Š Brightness adjustment knob (P. 7)

BX51M

} Make a photocopy of the observation procedure pages and post it near your microscope.

…

†

‡

‰

‹

™

Insertion from the left

‡

USING THE CONTROLS

3-1 Base

1Voltage Indication (Fig. 3)

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

age and make illumination brighter.

2. The numerals on the left of the lamp voltage LEDs ² indicate the ap-

proximate voltage.

2Using the Light Intensity Preset Switch (Fig. 4)

}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 preset

before factory shipment to a position which can provide optimum color

reproduction when the U-25LBD filter is engaged in the light path (approx.

9 V mark).

1. Press the light intensity preset switch @ to the ON position. (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. 3

Fig. 4

@²

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