Omax MD8211E30 Bedienungsanleitung

User Manual

Digital Compound

Binocular LED Microscope

Model MD8211E30

MicroscopeNet.com

Table of Contents

i. Caution......................................................................................................1

ii. Care and Maintenance..............................................................................2

1. Components Illustration............................................................................3

2. Installation.................................................................................................4

3. Operation..................................................................................................6

4. Specifications............................................................................................8

5. Troubleshooting Guide..............................................................................9

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i. Caution

1. Open the carton carefully with a knife or paper cutter. Find the “UP” sign and place

the Styrofoam container on the side that makes the arrow upward. If the “UP” sign

is missing, please open the Styrofoam container gently to prevent any accessory

items (i.e. objectives or eyepieces) from dropping and being damaged.

2. Do not discard the molded Styrofoam container. The container should be retained

should the microscope ever requires reshipment.

3. Keep the instrument out of direct sunlight, high temperature or humidity, and dusty

environments. Ensure that the microscope is located on a smooth, level and firm

surface.

4. If any specimen solutions or other liquids splash onto the stage, objective or any

other component, disconnect the power cord immediately and wipe up the spillage.

Otherwise, the instrument may be damaged.

5. All electrical connectors (power cord) should be inserted into an electrical surge

suppressor to prevent damage due to voltage fluctuations.

6. For safety when replacing the LED light and the fuse, be sure the main switch is

off, unplug the power cord, and replace the LED light and the fuse

7. Confirm that the input voltage indicated on your microscope corresponds to your

line voltage. The use of a different input voltage other than that as indicated will

cause severe damage to the microscope.

8. Note: please read the instruction of the operation of camera in manual 3.9 below

and the CD in the package before you start to use it.

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ii. Care and Maintenance

1. Do not attempt to disassemble any component including eyepieces, objectives or

focusing assembly.

2. Keep the instrument clean; remove dirt and debris regularly. Accumulated dirt on

metal surfaces should be cleaned with a damp cloth. More persistent dirt should be

removed using a mild soap solution. Do not use organic solvents for cleansing.

3. The outer surface of the optics should be inspected and cleaned periodically using

an air stream from an air bulb. If dirt remains on the optical surface, use a soft cloth

or cotton swab dampened with a lens cleaning solution (available at camera stores).

All optical lenses should be swabbed using a circular motion. A small amount of

absorbent cotton wound on the end of a tapered stick makes a useful tool for

cleaning recessed optical surfaces. Avoid using an excessive amount of solvents as

this may cause problems with optical coatings or cemented optics or the flowing

solvent may pick up grease making cleaning more difficult.

4. Store the instrument in a cool, dry environment. Cover the microscope with the dust

cover when not in use.

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1. Components Illustration

1 Eyepiece 8 Light Collector 15 Fine Focus Knob

2 Diopter Ring 9 Microscope Base 16 X-Y Stage Moving Knobs

3 Eyepiece Tube 10 USB Cable 17 Power Switch

4 Viewing Head w Built-in Camera 11 Head Lock Thumb Screw 18 Brightness Intensity Dial

5 Objective 12 Nosepiece 19 Condenser Lock Thumb Screw

6 Slide Holder 13 Microscope Body 20 Condenser Focus Knob

7 Mechanical Stage 14 Coarse Focus Knob 21 Condenser

1 10

20 21

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2. Installation

2.1 Installation of the digital binocular viewing head

1) Loosen the head lock thumb screw on the top of the microscope body and remove

the plastic cover on the top.

2) Remove the cap on the dovetail of the digital binocular viewing head.

3) Seat the dovetail of the viewing head into the socket on the top of the microscope

body and tighten the head lock thumb screw.

Caution:

Do not release the viewing head from your hand grip until you are sure the viewing

head is installed securely.

2.2 Installation of the eyepieces

1) Remove the protective caps from the eyepiece tubes.

2) Insert the eyepieces into the eyepiece tubes.

2.3 Installation of the objectives

1) Adjust the coarse focus knob until the mechanical stage is at its lowest position.

2) Turn the caps counter-clockwise to remove them from the nosepiece.

3) Take the objectives out from the plastic cases and turn each one clock-wise into the

holes on the nosepiece. Install the 4X objective into the nosepiece first. Then in a

counter-clockwise direction, rotate the nosepiece and install each succeeding higher

magnification objective.

Note:

Inspect the objectives frequently for dirt or oil; clean if necessary.

Use the 10X objective to initially focus the image of your specimen.

When changing the objective magnification, rotate the objective nosepiece until you

hear a “click” sound or have a clear "in position" feeling. This ensures the objective

is centered in the optical light path.

2.4 Replacing the fuse

1) Turn off the power switch and disconnect the power cord.

2) Find the fuse holder at the rear bottom of the microscope body.

3) Pry out the fuse holder gently with a flat head screwdriver.

4) Replace the old fuse with a new one, and then insert it back in. See Fig. 1.

2.5 Installation of the glass filter

1) Swing out the color filter holder under the condenser.

2) Place the filter into the color filter holder as shown in Fig. 2, swing the holder in.

Fuse Holde

Fuses

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2.6 Replacing the LED lamp

1) Turn off the power switch and disconnect the power cord.

2) Loosen the 7 screws on the bottom board. See Fig 3 (a)

3) Open the board and find the LED lamp. See Fig 3 (b)

4) Loosen the 2 screws and unplug the LED connector.

5) Replace the dead LED lamp with a new one.

6) Tighten the 2 screws and plug in the LED connector.

7) Put the board back its place.

8) Tighten the 7 screws.

Color Filter

Color Filter Holder

Fig.3

7 Screws

2 Screws

LED Lamp

LED Connector

(

)

(b)

)

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3. Operation

3.1 Adjusting illumination

1) Plug the power cord into the power socket on the microscope and connect it to the

power outlet.

2) Turn on the power switch.

3) Rotate the brightness intensity dial to increase or decrease the brightness of the

illuminator.

Caution:

A diffusion filter is attached beneath the condenser to get uniform light and protect

your eyes from strong LED light when a low power objective applies. The diffusion

filter can be swung out to make the view field brighter when observing with a high

power objective, such as 100X objective.

3.2 Placing specimen

1) Place the slide on the mechanical stage.

2) Use the slide holder to gently secure the slide.

3) Turn the X and Y stage moving knobs to position the specimen in the center of

viewing field.

Caution:

Be sure not to allow an objective to touch a specimen slide when changing

objectives.

3.3 Focusing

1) With the 10X objective in position, raise the mechanical

stage using the coarse focus knob until the specimen is

close to the objective.

2) Turn the coarse focus knob until the specimen is in

focus. Then use the fine focus knob to obtain a sharp

image. You may now switch to another magnification

objective.

3) To get a good focused image, you may need to

combine the focus knob adjustment and interpupillary

distance adjustment, along with eyepiece diopter

adjustment stated in 3.4 and 3.5.

Tips:

To prevent your specimen slide from making contact with an objective, turn the 40X

objective in position and adjust the thumb screw of focus stop (as shown in Fig. 3)

so that the 40X objective will not contact the specimen while the stage is adjusted to

its highest position. Give the stage a tiny extra moving space to ensure the objective

can be focused every time.

3.4 Adjusting interpupillary distance

While observing with both eyes, hold the left and right eyepiece tubes then swing

them around the center axis. The interpupillary distance is correct when the left and

right fields of view converge completely into one image.

3.5 Adjusting eyepiece diopter

1) Using the 10x objective and your right eye only, observe your specimen through the

eyepiece and bring it into focus by adjusting the focus knobs.

Focus Stop

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2) Then observe the specimen with your left eye only through the left eyepiece. If the

specimen is not in focus, turn the diopter ring on the eyepiece tube until a sharp

image is obtained.

3.6 Adjusting condenser

1) Turn the condenser focus knob to raise or lower the condenser.

2) The condenser is raised when using high magnification objectives and lowered

when using low magnification objectives.

Note:

The centering of the condenser and the light axis of the objective are factory

adjusted. Do not attempt to re-adjust.

The highest position of the condenser has been factory adjusted. Do not attempt to

re-adjust.

3.7 Adjusting iris aperture diaphragm

Swing the iris diaphragm lever (Fig. 4) left or right to

adjust the aperture size.

Note:

The iris diaphragm is designed to adjust the aperture

size, not to adjust the brightness although the

brightness will be changed when it's adjusted. When

aperture is adjusted to smaller size, the contrast will be

increased and the depth of field will be increased as

well. Turn up the intensity of the light if the image is

too dim.

3.8 Adjusting focus knob tension

The tightness of the focus knob tension has

been pre-set at the factory. If the mechanical

stage drops by itself, rotate the tension

adjustment ring (Fig. 5) located inside the focus

knob on the power switch side until the tension is

in maintained.

3.9 Photo/video observing, capturing and

recording

1) Insert the USB cable into the USB port (Fig. 6) on the

back of the viewing head, and the other end to the

computer.

2) Turn on the computer, install the camera following the

manual in the mini CD.

3) Bring the microscope into focus by following the

procedures in 3.3.

4) Open image observing software to examine.

5) You also can capture images or record live videos

through the software, depending on the functions

provided by the software.

Note:

For the details of installation and operation of the camera and its software, please

refer to the manual in the mini CD.

Iris Diaphragm Lever

Tension adjustment Ring

USB Port

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4. Specifications

Model MD8211E30

Total Magnification 40X, 100X, 200X, 400X

Viewing Head 30º inclined, 360º swiveling siedentopf binocular viewing head

with built-in 3.0MP camera

Interpupillary Distance Hinge adjustment, 48mm - 75mm

Diopter Adjustment On left eyepiece tube

Eyepieces 1 pair of WF10X/18

Objective Tube Length 160mm

Nosepiece Reversed revolving quadruple

Objectives

Achromatic DIN 4X/0.10 160/0.17

10X/0.25160/0.17

20X/0.40 160/0.17 (spring)

40X/0.65 160/0.17 (spring)

Condenser Abbe, NA=1.25, w/ iris aperture diaphragm and filter holder

Rack and pinion focus adjustment

Focus Mechanism Coaxial coarse and fine focusing knobs on both sides w/ stop

Stage Double layer mechanical stage

Dimension: 5-1/2” x 4-5/16” (140mm x 110mm)

Translation range: 3” x 1-5/8” (78mm x 40mm)

Illumination Transmitted: 3W LED, variable intensity

Camera Built-in USB2.0 2048 x 1536 pixel (3.0MP)

Driver and Software included in the CD

Compatible w/ Windows 2000/XP/Vista/Windows7 (32/64-bit)

Power Supply AC 100-240V 50/60Hz (US and Canada plug)

Fuse 0.5A 250V

Dimension 12” x 8” x 15” (31cm x 20cm x 39cm)

Net weight 11 lb 14.5 oz (5.4 kg)

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