Meiji Techno MT-10 Series Manuale utente

MT-10 Series

Compound Microscope

INSTRUCTION MANUAL

MT-10 Series

Compound Microscope

INSTRUCTION MANUAL

Table of Contents

1) Introduction

2-3) Construction of the microscope

4-5) Functions of the microscope

6) Preparing the microscope for use

7-9) Working with the microscope

10-11) Maintenance and cleaning

Introduction

With your purchase of an MT-10 series microscope

you have chosen for a quality product. The MT-10

type microscopes are developed for use at schools

and laboratories.

The maintenance requirement is limited when using

the microscope in a decent manner.

This manual describes the construction of the

microscope, how to use the microscope and

maintenance of the microscope.

MT-10 Series

Compound Microscope

INSTRUCTION MANUAL

MT-10 Series

Compound Microscope

INSTRUCTION MANUAL

Construction of the Microscope

The names of the several parts are listed below and

are indicated in the picture on the next page:

A) Tube (mono 360°rotatable)

B) Eyepiece

C) Stand arm

D) Revolving nosepiece for 4 objectives

E) Objectives

F) Safety device

G) Object stage with clips

H) Coaxial coarse-and ne adjustment

I) Lamp housing

J) Light intensity adjustment

K) Polarizer 360°rotatable (POL version only)

L) Condenser with irisdiaphragm + lterholder

(POL verison only)

M) On/O switch (not visible)

N) Analyzer In/Out (POL version only)

MT-10 Series

Compound Microscope

INSTRUCTION MANUAL

MT-10 Series

Compound Microscope

INSTRUCTION MANUAL

Functions of the Microscope

The stand consists of a stand arm (C), stand base and an object stage (G).

Hold the microscope at the top of the

stand arm when it should be moved.

Tube

The 360 rotatable monocular tube is equipped with WF10x eyepiece (B).

Revolving nosepiece

The revolving nosepiece (D) can be equipped with 4 objectives (E).

Optical specications of the MT-30/MT-90 series range

The MT-10 series range microscopes are standard equipped with one wide eld eyepiece

WF10x (B) and achromatic objectives, as mentioned below in table 1

Optical specications and type

Achromatic 4x/10x/40x – LED illumination

Achromatic 4x/10x/S40x/S100x – LED illumination

Achromatic 4x/10x/S40x/S60x – LED illumination

Achromatic 4x/10x/S40x – LED illumination – Digital head 1.3 Mpix CMOS

Achromatic 4x/10x/S40x/S100x – LED illumination – Digital head 1.3 Mpix CMOS

Achromatic 4x/10x/S40x/S60x – LED illumination – Digital head 1.3 Mpix CMOS

Achromatic 4x/10x/40x – HALOGEN illumination – Polarization – Round stage

Achromatic 4x/10x/100x – HALOGEN illumination – Polarization – Round stage

Achromatic 4x/10x/600x – HALOGEN illumination – Polarization – Round stage

Table 1

The S40x, S60x and S100x objectives are equipped with a spring mount, to prevent damage

to the frontlens and the slide.

The Numeric Aperture - N.A. – of the objective is an indication for the resolving power of the

objective.

MT-10 Series

Compound Microscope

INSTRUCTION MANUAL

The total magnication can be calculated by multiplying the magnication of the eyepiece

with the magnication of the objective. The magnications are displayed in the table below:

Eyepiece Objective Magnication

10x 4x 40x

10x 10x 100x

10x 40x 400x

10x 60x 600x

10x 100x 1000x

Object stage

On the MT-10 series the slide is placed beneath the object clips. Focusing the specimen is

done by using the coaxial coarse- and ne adjustment knobs (H).

Coarse- and ne adjustment

The coarse- and ne adjustment knobs (H) for the height adjustment of the object stage

are mounted together on one axis (co-axial). On both ne adjustment knobs there is a

graduation with intervals of 0.002 mm. This can be used to measure depths in a specimen.

Abbe condenser with iris diaphragm

Beneath the object stage an Abbe condenser (L) N.A. 12.5 is mounted. The condenser can be

adjusted in height by means of turning or by a handle (polarization models). With this one

can focus the light on the specimen to optimise contrast-resolution ratio. The condenser is

factory pre-centered.

The iris diaphragm with lter holder is mounted beneath the condenser. The light intensity

can be adjusted by changing the exible opening.

Illumination MT-10 series

In order to have good color rendering against the Michel-Levy chart, the polarization

versions are standard equipped with a halogen illumination.

All other models have a LED illumination

The cable goes to the mains socket at the backside of the microsocpe.

MT-10 Series

Compound Microscope

INSTRUCTION MANUAL

Preparing the Microscope for Use

Remove the packing and put the microscope on a at

table. The objectives are pre mounted.

Put the plug into the mains supply and switch on the

microscope . Sit comfortably down behind the mi-

croscope and take a relaxed position while viewing

through the eyepiece (B).

MT-10 Series

Compound Microscope

INSTRUCTION MANUAL

Working with the Microscope

Please read the following instructions to achieve the best microscope observing results.

Setting the illumination

For optimum eect in contrast and resolution one should follow the below procedure:

Place a specimen on the object stage and focus using the 4x objective, with a fully opened

iris diaphragm.

• Turn the condenser in the highest position.

• Close the iris diaphragm, until it is just visible on the edge of the eld of view.

The microscope is properly set for use with the 4x objective. For each other magnication

this procedure should be repeated to ensure the best balance between contrast and

resolution.

Caution:

The maximum light intensity when using the 4x and 10x can damage the eyes!

When changing slides always start with the 4x objective again.

Safety device

To prevent damage to the objective lens, or breaking the slide, all types are equipped with a

pre-xed safety device (F).

It is recommended to use slides of 1.0 – 1.2 mm thickness in combination with cover glasses

of 0.13 mm or 0.17 mm thickness.

MT-10 Series

Compound Microscope

INSTRUCTION MANUAL

Use of the S100x oil-immersion objective

The MT-10 series microscopes are equipped with a S100x N.A. 1.25 oil immersion

objective. Please follow these instructions for using this objective:

• Focus the image with the S40x objective.

• Turn the revolving nosepiece so the S100x objective almost reaches the

click-stop.

• Put a small drop of immersion oil on the centre of the slide.

• Now turn the S100x objective so that you feel the click stop.

• The front lens is in contact with the immersion oil.

• Look through the eyepiece (B) and focus the image with the ne

adjustment knobs (I).

• The distance between the lens of the objective and the slide is only 0.14

mm!

• In case there are small bubbles visible turn the S100x objective a couple of

times left/right so that the front of the objective moves in the oil and the bubbles

will disappear.

• After using the S100x objective turn the ne adjustment knobs (I) up until

the front lens doesn’t touch the oil any longer.

• Always clean the front lens of the S100x objective with a piece of lens paper

that is moistened with a drop of xylol or alcohol.

• Clean the slide after use as well.

Caution

• Never put a drop of xylol or alcohol directly on the lens of the objective. It

could enter the objective and dissolve the glue that holds the lenses!

• Avoid oil contact with any of the other objectives!

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